orion 310, 320, 330 orion perphect meter -05, -10, -15.pdforion provides ph and ise meters for every...

Orion PerpHect MeterI N S T R U C T I O N M A N U A L

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Orion 330

basic PerpHecT LogR pH

Orion 310,320,330

Analyze • Detect • Measure • Control™

AQUAfast, Cahn, EZ Flash, Ionalyzer, ionplus, KNIpHE, No Cal, ORION, perpHect, PerpHecT, PerpHecTion, pHISA, pHix, pHuture, Pure Water, Sage, Sensing the Future, SensorLink, ROSS Ultra, Sure-Flow, TEA Analyzer, Titrator PLUS, TURBO2 and Wine Master are registered trademarks of Thermo Electron Corporation.

1-888-pHAX-ION, A+, All in One, Aplus, AQUAsnap, AssuredAccuracy, AUTO-BAR, AUTO-CAL, AUTO DISPENSER, Auto-ID, AUTO-LOG, AUTO-READ, AUTO-STIR, Auto-Test, BOD AutoEZ, Cable-Free, CERTI-CAL, CISA, DataCOLLECT, DataPLUS, digital LogR, DirectCal, DuraProbe, Environmental Product Authority, Extra Easy/Extra Value, FAST QC, Flash Titration, Flash Titrator, GAP, GLPcal, GLPcheck, GLPdoc, ISEasy, KAP, LabConnect, LogR, Low Maintenance Triode, Minimum Stir Requirement, MSR, NISS, One-Touch, One-Touch Calibration, One-Touch Measurement, Optimum Results, Pentrode, pHuture MMS, pHuture Pentrode, pHuture Quatrode, pHuture Triode, Quatrode, QuiKcheK, rf link, ROSS, ROSS Resolution, SAOB, Smart CheK, Stacked, Stat Face, The Enhanced Lab, ThermaSense, Triode, TRIUMpH, Unbreakable pH, Universal Access are trademarks of Thermo.

Guaranteed Success and The Technical Edge are service marks of Thermo.

PerpHecT meters are protected by U.S. patent 6,168,707.

PerpHecT ROSS are protected by U.S. patent 6,168,707.

ORION Series A meters and 900A printer are protected by U.S. patents 5,108,578, 5,198,093, and German patents D334,208 and D346,753.

Sure-Flow electrodes are protected by European Patent 278,979 and Canadian Patent 1,286,720.

ionplus electrodes and Optimum Results solutions are protected by US Patent 5,830,338.

ROSS Ultra electrodes have patents pending.

ORION ORP Standard is protected by US Patent 6,350,367.

ORION Series A conductivity meters are protected by US Patent 5,872,454.

© Copyright 2003, Thermo Electron Corporation. All rights reserved. Question everything, and Analyze. Detect. Measure. Control are trademarks of Thermo Electron Corporation.

The specifications, descriptions, drawings, ordering information and part numbers within this document are subject to change without notice.

This publication supersedes all previous publications on this subject.

Table of Contents

Chapter I General Information ................................................................ 1Introduction ..................................................................................... 1

Chapter II Meter Description ................................................................... 3A. Display ....................................................................................... 3B. Keypad ....................................................................................... 5

Chapter III Orion 310 Meter Set-Up........................................................... 7A. Power Source ............................................................................. 7B. Electrode Connection ................................................................. 7

Chapter IV Using the Orion 310 ................................................................ 9A. Power-Up ................................................................................... 9B. Meter Self-Test Procedure ......................................................... 9

Chapter V General Information on pH Calibration for Orion 310........ 11A. Autocalibration with Two Buffers ........................................... 12B. Autocalibration with One Buffer ............................................. 13

Chapter VI Introduction to Patented digitalLogR pH Measurement for Orion 310 .................................. 15

A. What is digital LogR? .............................................................. 16B. Orion 310 Temperature Calibration Procedure ....................... 17

Chapter VII Temperature Measurement for Orion 310 ........................... 19A. Temperature Compensation (Manual and Automatic) ............ 19

Chapter VIII Orion 320 Meter Set-Up......................................................... 21A. Power Source ........................................................................... 21B. Electrode Connection ............................................................... 21

Chapter IX Using the Orion 320 .............................................................. 23A. Power-Up ................................................................................. 23B. Meter Self-Test Procedure ....................................................... 23C. SETUP Mode for Orion 320 .................................................... 25

Chapter X General Information on pH Calibration for Orion 320........ 27A. Autocalibration with Two Buffers ........................................... 28B. Autocalibration with One Buffer ............................................. 29C. Manual pH Calibration............................................................. 30

Chapter XI Introduction to Patented digitalLogR pH Measurement for Orion 320 .................................. 31


PerpHecT Orion 310, 320, 330 Instruction Manual

Chapter XII Orion 320 Other Measurement Modes................................. 35A. mV/ORP Measurement Orion 320........................................... 35B. Temperature Compensation ..................................................... 35

Chapter XIII Orion 330 Meter Set-Up......................................................... 37A. Power Source ........................................................................... 37B. Electrode Connection ............................................................... 37

Chapter XIV Using the Orion 330 .............................................................. 39A. Power-Up ................................................................................... 3B. Meter Self-Test Procedure ....................................................... 39C. SETUP Mode Orion 330 .......................................................... 40

Chapter XV General Information on pH Calibration for Orion 330........ 43A. Autocalibration with Two Buffers ........................................... 44B. Autocalibration with One Buffer ............................................ 45C. Manual pH Calibration............................................................. 46

Chapter XVI Introduction to Patented digitalLogR pH Measurement for Orion 330 .................................. 47


Chapter XVII Orion 330 Other Measurement Modes................................. 51A. mV/ORP Measurement Orion 330........................................... 51B. Temperature Compensation ..................................................... 51

Chapter XVIII Self-Test Definitions Orion 310, 320 and 330 ..................... 53

Chapter XIX Operator Assistance Codes Orion 310, 320 and 330 ......... 55

Chapter XX Troubleshooting Guide ......................................................... 59

Chapter XXI Repair and Service ................................................................ 61

Chapter XXII Warranty ................................................................................. 63

Chapter XXIII Notice of Compliance ............................................................ 67

Chapter XXIV Ordering Information ............................................................ 69

Chapter XXV Specifications For PerpHecT Meters ................................... 73

Appendix A LogR Temperature Accuracy Tables ................................... 75

PerpHecT Orion 310, 320, 330 Instruction Manual

1

PerpHecT® Orion 310, 320, 330 Instruction Manual

Chapter IGeneral InformationIntroductionOrion provides pH and ISE meters for every application from basic pHmeasurements to advanced Ion Selective Electrode work. This manualdescribes the operation and use of the Orion PerpHecT™ meter line. ThePerpHecT meters consist of the following meters: the Orion 310 pH/Temperature Meter, the Orion 320 pH/mV/ORP/Temperature Meter, andthe Orion 330 pH/mV/ORP/Temperature Meter.

All PerpHecT meters feature the Orion patented digital LogR™ technologywhich allows fully temperature compensated measurements without theneed for a separate ATC probe.

Figure 1 — PerpHecT Orion 330

General Information

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basic PerpHecT LogR pH Orion 330

LogR


2 General Information

All meters are microprocessor-controlled and feature pH autocalibration,patented digital LogR pH measurement mode, sealed keypads and largeeasy-to-read LED displays.

These systems are ideal for busy, multi-user laboratories or plantenvironments. pH measurements are easy with the help of advancedfeatures such as autocalibration, LogR mode, automatic temperaturecompensation, choice of pH resolution and diagnostic operatorassistance codes.

The Orion 310 is a basic pH Meter which comes complete with aPerpHecT combination glass pH temperature electrode. The choice ofa PerpHecT Ag/AgCl electrode (Orion 9202BN) or PerpHecT ROSS™

electrode (Orion 8202BN) is available.

The Orion 320 is a pH/mV/ORP/Temperature Meter which comescomplete with a PerpHecT combination glass electrode. The choice ofa PerpHecT Ag/AgCl electrode (Orion 9202BN) or PerpHecT ROSSelectrode (Orion 8202BN) is available.

The Orion 330 is a pH/mV/ORP/Temperature Meter with RS232interface for connections to a printer or a computer. It comes completewith a PerpHecT combination glass electrode. The choice of a PerpHecTAg/AgCl electrode (Orion 9202BN) or PerpHecT ROSS electrode (Orion8202BN) is available.

Using this ManualOperating instructions for the Orion 310 are covered in Chapters IIIthrough VII.

Operating instructions for the Orion 320 are covered in Chapters VIIIthrough XII.

Operating instructions for the Orion 330 are covered in Chapters XIIIthrough XVII.

3


Figure 2 — PerpHecT Orion 330 Display

Chapter IIMeter DescriptionA. Display

Orion 310A large bright LED display shows pH results and temperature in the mainfield. The current operation mode is indicated along the right side of thedisplay. “Ready” is designated by the indicator along the left side of thedisplay. See Figure 2.

Orion 320 and 330A large bright LED display shows results in the main field. Temperatureis displayed in the upper field. The current operation mode is indicatedalong the right side of the display. The buffers used during the last pHcalibration are designated by the indicators along the left side of thedisplay. See Figure 2.

Meter Description

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4 Meter Description

SET UP (Orion 320 and 330)Indicates that the meter is in the setup mode which is used to define orview operating parameters.

LogRIndicates that the meter is in the LogR temperature measurement orcalibration mode. LogR is activated in the setup mode (or with the tempkey Orion 310) and measured with the pH electrode. LogR function isactivated when the LogR icon appears in the upper display.

ATCIndicates that an ATC probe is connected and operational. ManualTemperature Compensation is activated when the ATC and LogR symbolare not displayed.

READYDisplayed when the electrode signal has stabilized. Also displayedwhen calibration standard input (pH and Temp) has stabilized.

° CThe ATC icon in the upper display is lit when temperature is measuredwith an ATC probe. The LogR icon is lit when LogR temperaturemeasurement is activated. If neither is on, manual temperature settingis active. For the Orion 310, temperature is displayed by pressingMODE key.

5


B. Keypad

Orion 310The PerpHecT Orion 310 meter has a 6 button keypad used to control allmeter functions. Each keypress is acknowledged by the meter via apositive feel response.

Key Function

mode Press to select MEASURE mode. Use to toggle displaybetween Temperature and pH.

yes Press to accept settings or calibration points.

scroll (▲,▼) Press to change a parameter before it is entered. Also usedto scroll Manual Temp settings in the Temperature mode.

cal Press button to initiate pH or LogR temperature calibration.

temp Press to enable or disable LogR Function.

Orion 320The PerpHecT Orion 320 meter has a 6 button keypad used to control allmeter functions. Each keypress is acknowledged by the meter via apositive feel response.

Key Function

mode Press to select MEASURE mode. Used to initiate LogRtemperature calibration when LogR function is enabled.

yes/res Press to accept settings, calibration points or to changedisplay resolution.

scroll (▲,▼) Press to change a parameter before it is entered. Also used,in MEASURE mode, to scroll Manual Temp settings.

cal Press button to initiate pH calibration.

setup Press to enter Setup mode. Setup is entered to changeoperating parameters and to enter manual calibration buffervalues.

Meter Description


6 Meter Description

Orion 330The PerpHecT Orion 330 meter has an 8 button keypad used to control allmeter functions. Each keypress is acknowledged by the meter via apositive feel response.

Key Function

mode Press to select MEASURE mode. Used to initiate LogRtemperature calibration when LogR function is enabled.

yes Press to accept settings or calibration points. May also beused to scroll through the setup menu without changingany parameters.

scroll (▲,▼) Used to initiate a change in current setup parameters.Press to change a parameter before it is entered. Also usedto scroll Manual Temp settings in MEASURE mode.

print Press to print measurement data.

cal Press button to initiate pH calibration.

setup Press to enter Setup mode. Setup is entered to changeoperating parameters and to enter manual calibrationbuffer values.

res Press to change display resolution.

Figure 3 — Orion PerpHecT Meter Keypad

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basic PerpHecT LogR pH Orion 330

7


BNC Input Recorder

ATCRS232

Line Cord Input

ReferenceInput

Figure 4 — PerpHecT Orion 330 Connections

Chapter IIIOrion 310 Meter SetUpA. Power SourceAll PerpHecT meters are designed to operate with a line adaptor(Orion 020125) for 110V operation or (Orion 020130) for 220V operation.Plug the line adaptor securely into the meter’s Line Adapter Input, thenplug into an appropriate wall outlet.

B. Electrode Connection

1. ElectrodeAttach the PerpHecT pH electrode or other pH electrode with BNCconnector to the BNC input on the meter by sliding the connectoronto the BNC input, then push in and turn clockwise to lock into position.Electrodes with U.S. Standard connectors may be used with a an adaptor(Orion 090033). Connect reference electrodes with pin tip connectors bypushing connector directly into reference input.See Figure 4.

2. ATC ProbeAttach ATC probe to the ATC input by sliding the connector straight inuntil firmly in place. Use Orion ATC probes Orion 927006or 927005 only.

Orion 310 Meter SetUp


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Chapter IVUsing the Orion 310A. Power-UpPlug meter into an approved wall outlet via the power line adaptor. Theentire display (all annunciators) will be displayed for 2 seconds. Once allpower-up procedures have been completed, the meter automaticallyadvances to measure mode.

NOTE: If this is the first time that the meter hasbeen powered up, it is recommended that the Self-Test Procedure be performed before using the meterfor measurements.

B. Meter Self-Test ProcedureIt is recommended that this procedure be performed when the meter isoperated for the first time or any time that operational problems arise.

For a description of the diagnostic tests, see Chapter XVIII Self-TestDefinitions pg 53.This procedure verifies the proper operation of the PerpHecT meters.

Self-test:1. Attach shorting cap to electrode BNC input.

2. Plug line adapter (Orion 020125) securely into meter Line AdapterInput then into an appropriate wall outlet while pressing the YESkey (hold down for 3 seconds) to start the self-test. The meter willautomatically perform seven diagnostic tests.

3. When “0” appears in the display field, press each key once.A numeric digit will be displayed upon each keypress.

4. After the self-test is completed, the meter will automatically go toMEASURE mode.

5. If any problems are found during the self-test see OperatorAssistance Codes, page 55.

Using the Orion 310


10 Using the Orion 310

Check Out:After completing the self-test the meter will be in MEASURE mode.

1. Press the MODE key until the pH mode indicator isdisplayed. Main display should read a steady 7.00 ± 0.02.

2. If not, press CAL key. Select a one-point calibration “7” tochange the pH reading. When READY lights up, press YES.

3. The main display should read 100.0 after the legend SLP isdisplayed. If so, press YES. If not, use the SCROLL (▲,▼)keys to change the value to 100.0 press YES.

4. The meter advances to pH mode and the display should nowread a steady 7.00 ± 0.02.

11


Chapter VGeneral Information onpH Calibration for Orion 310A one or two-point calibration should be performed using fresh buffersbefore pH is measured. It is recommended that a two buffer calibration,using buffers that bracket the expected sample range, be performed at thebeginning of each day to determine the slope of the electrode. This servesthe dual purpose of determining if the electrode is working properly, andstoring the slope value in memory. For maximum accuracy, perform aone-buffer calibration every two hours to compensate for electrode drift,using a fresh aliquot of pH 7 buffer.

When operating in the LogR mode, the meter does not require the use of aseparate ATC probe. The PerpHecT meters measure the resistance of thepH sensing glass and converts the value to temperature-compensated pHmeasurements. For optimum results, PerpHecT electrodes or PerpHecTROSS electrodes should be used.

For best results, it is recommended that the unit be calibrated fortemperature in the LogR mode. Alternately, an ATC probe may be used.If LogR or an ATC probe is not used, all samples and standards shouldbe at the same temperature or manual temperature compensation shouldbe used.

Stir all buffers and samples with a magnetic stirrer while a measurement isbeing made.

NOTE: Some magnetic stirrers generate enoughheat to change solution temperature. To avoid this,place a piece of cardboard, foam rubber, or otherinsulating material between the stir plate andbeaker.

Always use a fresh aliquot of buffer whenever calibrating.

General Information on pH Calibration for Orion 310


12 General Information on pH Calibration for Orion 310

A. Autocalibration with Two Buffers1. Attach the pH electrode to the meter.

2. Choose either pH 4.01 and pH 7.00, or pH 7.00 and pH 10.01buffers; whichever will bracket your expected sample range.

3. Press CAL key to initiate calibration sequence. CAL is displayedfor two seconds. Press the YES key to accept the last calibrationrange (7-4 or 7-10) or select one of these calibration ranges usingthe SCROLL (▲,▼) keys. Press the YES key to accept. pH 7 willbe displayed for two seconds. Place electrode in pH 7.00 buffer.Reading will be displayed and updated as calibration continues.When the READY light comes on, indicating electrode stability,press the YES key to accept.

4. pH 4 (or pH 10) will then be displayed for two seconds. Removeelectrode from pH 7.00 buffer. Rinse with deionized water andplace electrode in either pH 4.01 or 10.01 buffer (depending oncalibration range that was selected). When the READY lightcomes on, press the YES key to accept buffer value. SLP willbe displayed for two seconds, then the calculated slope will bedisplayed.

5. Meter will automatically go into the MEASURE mode. TheREADY light will come on to indicate electrode stability.

6. If operating in the LogR mode or using an ATC probe, thetemperature-corrected pH reading is displayed.

7. Rinse electrodes with deionized water and place into sample.Record pH directly from the main meter display when the READYlight is displayed or when electrode signal is stable.

NOTE: When making measurements in LogRmode, you must calibrate for temperature beforeattempting a pH calibration. See page 17 fortemperature calibration procedure.

13



B. Autocalibration with One-buffer

NOTE: Autocalibration with one-buffer can only beperformed using pH buffer 7.00.

1. Attach the pH electrode to the meter.

2. Choose pH 7.00 Buffer.

3. Press CAL key to initiate calibration sequence. CAL is displayedfor 2 seconds. Select calibration range “7” using the SCROLL(▲,▼) keys. Press the YES key to accept. pH 7 will be displayedfor two seconds. Place electrode in pH 7.00 buffer. Reading will bedisplayed and updated as calibration continues. When the READYlight comes on, indicating electrode stability, press the YES keyto accept.

4. SLP will be displayed for two seconds. Then 100.0 (or previouscalibration slope value) will be displayed. This value can be editedusing the SCROLL (▲,▼) keys. Press the YES key to enterthe value.

5. Meter will automatically go into the MEASURE mode.The READY light will come on to indicate electrode stability.




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Chapter VIIntroduction to Patented digitalLogR pH Measurement forOrion 310 Obtaining accurate pH values depends on both correct measurement ofstandard and sample temperatures and on compensation for any variationsin these temperatures. This thermal compensation has generally beenaccomplished either manually (by measuring sample solution with athermometer and then dialing in the measured temperature on the meter),or automatically (by placing a separate temperature probe together witha pH electrode in the solution).

The temperature of a solution affects pH measurements in two principalways:

1. The pH of buffers and samples actually changes slightly withtemperature. For buffers, this change is known and is built intothe PerpHecT series of meters.

2. The slope of the calibration, which the meter uses to convertmillivolt readings to pH, changes with temperature. At 25° C,a 10 degree change in temperature changes the slope by 3.4%.

How important is direct temperature compensation to pH measurement?

To see the effects of temperature, look up your approximate sampletemperature on the left side of Table 1. Read across the top to yourapproximate pH value. The value shown at the intersection is the errora 1° C change in temperature will cause in pH measurement withoutcompensation. Accurate temperature compensation is essential to accuratepH measurement.

Introduction to Patented digital LogR pH Measurement for Orion 310


16

Table 1 pH Error due to 1° C Temperature Change (in pH units)

A. What Is digital LogR?PerpHecT pH meters allow for direct temperature measurement andtemperature compensation from your pH electrode. With simultaneousmeasurement of pH and temperature, the patented Orion digital LogRtechnology makes it possible using most standard glass pH electrodes.The system is based on using the electrical resistance of the glass sensingbulb as the temperature probe. The name comes from the fact that thelogarithm of the resistance of the bulb varies almost linearly with thereciprocal of the absolute temperature (See Figure 5). Almost all commonpH glasses show a similar decrease in resistance with increasingtemperature, and can be used with other types of meters. However,only the exact shape of the curve for Orion PerpHecT electrodesis in the meter’s memory.

To maximize system performance and accuracy, use PerpHecT ROSS andPerpHecT pH electrodes.


102030405060708090

0.0040.0030.0030.0030.0030.0030.0030.0030.003

0.0110.0100.0100.0100.0090.0090.0090.0080.008

0.0070.0070.0070.0060.0060.0060.0060.0060.006

0.0140.0140.0140.0130.0120.0120.0120.0110.011

0.0180.0170.0170.0160.0150.0150.0150.0140.014

pH 12or pH 2

pH 11or pH 3

pH 10or pH 4

pH 9or pH 5

pH 8or pH 6TEMP. (° C)

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B. Orion 310 Temperature Calibration ProcedureThis procedure should be performed at least once per week to ensureaccurate temperature compensation when operating in the LogR mode.If the meter is powered down or the electrode disconnected, it isrecommended that you recalibrate the LogR temperature. See theAppendix Section for accuracy specifications and recommendedcalibration techniques.

Choose a temperature calibration range which is at least 5° C apartdepending on your expected operating range. Evenly bracket yourexpected sample temperature range. A maximum 20° C range isrecommended for maximum accuracy. For example, for measurementaround 20° C calibrate at 10° C and 30° C. For temperature span greaterthan 20° C, a three-point temperature calibration is recommended.For many samples, a single-point calibration near the expected sampletemperature will yield adequate results. A constant temperature bath ora hot plate is recommended to hold the temperature of calibrating solution.

For best results during temperature calibration, it is recommendedthat pH buffer or tap water be used as the temperature calibrating solution.Do Not Use deionized water because the conductivity is too low to obtain agood calibration.

IMPORTANT: When using the meter for the first time or restarting in the LogR mode, you mustperform a LogR temperature calibration. It isrecommended that at least a two-point temperaturecalibration be performed to meet optimum systemaccuracy. See Appendix Section for additionalinformation.



18 Introduction to Patented digital LogR pH Measurement for Orion 310

Orion 310 Temperature Calibration Procedure (con’t)

1. LogR Function must be activated by pressing TEMP key, turningLogR “ON” and pressing YES. Press the MODE key to displaytemperature readout on the meter.

2. Initiate a calibration by pressing the CAL key. “CAL” will bedisplayed. Then the last LogR calibration type (“1-PT”, “2-PT”or “3-PT”) will be displayed in the main readout. “2-PT”(2 point calibration) is the default.

3. Use the SCROLL (▲,▼) keys to change calibration type, thenpress YES key to accept. CAL l will then be displayed in the mainreadout. The measured CAL 1 temperature value, based upon thelast calibration, will then be displayed. When the LogR signalstabilizes, the Ready annunciator will light.

4. Adjust the CAL l value using the SCROLL keys. Press YES keyto accept.

5. If a two-point calibration is selected, CAL 2 will then be displayed.Follow steps 3 and 4 to set the second temperature value. Followthe same steps if a three-pointcalibration is selected.

6. The meter will go to pH measure mode after accepting the finalcalibration value.

NOTE: A calibration may be aborted beforeaccepting the final calibration point by pressingthe MODE key. This will cause the system todisplay “ESC”, proceed to Temperature mode andretain to the previous LogR temperature calibrationand data.

19


Chapter VIITemperature Measurementfor Orion 310A. Temperature Compensation

(Manual and Automatic)

1. Use an ATC probe (Orion 927005 or Orion 927006) for automatictemperature compensation. Disable the LogR function using theTEMP key.

2. Attach ATC probe to 3.5 mm phone jack on rear panel of thePerpHecT pH meter. See Figure 4.

3. For manual temperature compensation, disconnect the ATC probe.Manual temperature may only be set when the LogR function isdisabled and there is no ATC probe connected:

Press the MODE key until the temp mode is entered. Use theSCROLL (▲,▼) keys to manually set the temperature value. Pressthe MODE key to return to pH mode. This temperature will nowbe used to calculate temperature corrected pH values.

4. To return to ATC mode, attach the ATC probe to the ATC jack(see Figure 4). Temperature compensation will now be automatic.

Temperature Measurement for Orion 310


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Chapter VIIIOrion 320 Meter SetUpA. Power SourceAll PerpHecT meters are designed to operate with a line adaptor(Orion 020125) for 110V operation or (Orion 020130) for 220V operation.Plug the line adaptor securely into the meter’s Line Adapter Input, thenplug into an appropriate wall outlet.


1. ElectrodeAttach the PerpHecT pH electrode or other pH electrode with BNCconnector to the BNC input on the meter by sliding the connector ontothe BNC input, then push in and turn clockwise to lock into position.Electrodes with U.S. Standard connectors may be used with an adaptor(Orion 090033). Connect reference electrodes with pintip connectors by pushing connector directly into reference input.See Figure 4.

2. ATC ProbeAttach ATC probe to the ATC input by sliding the connector straight inuntil firmly in place. Use Orion ATC probes Orion 927006 or 927005only.



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Chapter IXUsing the Orion 320A. Power-UpPlug meter into an approved wall outlet via the power line adaptor.The entire display (all annunciators) will be displayed for 2 seconds.Once all power-up procedures have been completed, the meterautomatically advances to measure mode.

NOTE: If this is the first time that the meter hasbeen powered up, it is recommended that theSelf-Test Procedure be performed before usingthe meter for measurements.


For a description of the diagnostic tests, see Chapter XVIII Self-TestDefinitions pg 53.

This procedure verifies the proper operation of the PerpHecT meters.

Self-test1. Attach shorting cap to electrode BNC input.

2. Plug line adapter (Orion 020125) securely into meter Line AdapterInput then into an appropriate wall outlet, while pressing the YESkey (hold down for 3 seconds) to start the self-test. The meter willautomatically perform seven diagnostic tests.


4. After the self-test is completed, the meter will automatically goto MEASURE mode.

5. If any problems are found during the self-test, see OperatorAssistance Codes, page 55.

Using the Orion 320



Check Out:1. After the self-test is completed, the meter will be in the

MEASURE mode.

a. Press the MODE key until the pH mode indicator isdisplayed. Main display should read a steady 7.00 ± 0.02.

b. If not, press CAL key. Select a one-point calibration, “7”, tochange the pH reading. When READY lights up, press YES.

c. The main display should read 100.0 with the legendSLP in the upper display. If so, press YES. If not, use theSCROLL (▲,▼) keys to change the value to 100.0 press YES.

d. The meter advances to pH mode and the display should nowread a steady 7.00 ± 0.02.

e. Press the MODE key to enter millivolt mode. Display shouldread 0 ± 1.

25


C. SETUP Mode for Orion 320Select SETUP mode by pressing SETUP key until SETUP light isactivated. This mode is used to define, change or view meter operatingparameters. While in the SETUP mode, the YES key is used to scrollthrough the menu without changing parameters and to enter newparameters into meter memory. The SCROLL (▲,▼) keys are used tochange the settings within each function. To exit the SETUP mode,press the MODE key at any time.

NOTE: If a parameter has been changed, the YESkey must be pressed to activate change.

The following parameters can be accessed in the SETUP mode:

SlopeThe current pH electrode slope in meter memory will be displayed. Thevalue is displayed as a percent of theoretical slope. The default setting is100%. This function is for display purposes only. The value cannot bechanged in the SETUP menu. To change the slope value, perform a two-point calibration or set SLOPE during a one-point pH calibration. Pressthe YES key to advance to next menu function.

LogRWhen the LogR function is accessed, the LogR annunciator will light upwhile the upper readout displays the current LogR setting (“OFF” fordisabled and “ON” for enabled). Press the YES key to accept the setting.To change the current setting, press a SCROLL key. Press the YES key toaccept. The measured LogR temperature will be used to calculatetemperature-compensated pH values.

Manual Buffer OptionWhen the manual buffer option function is entered, the display will showSTD “57d” or SET “5E7”. To change the setting, press a SCROLL (▲,▼)key. Press the YES key when the desired setting is displayed. When the“STD” option is selected, calibration may only be performed withstandard buffers; pH 4.01, 7.00 and 10.01. When the “SET” option isselected, calibration may be performed with user-defined buffers withinthe 0 to 14 pH range. If SET is selected, the meter will advance to settingthe manual buffer values. Buffer values must be at least 1 and not morethan 4 pH units apart.

Using the Orion 320


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Chapter XGeneral Information onpH Calibration for Orion 320A one or two buffer calibration should be performed using fresh buffersbefore pH is measured. It is recommended that a two buffer calibration,using buffers that bracket the expected sample range, be performed at thebeginning of each day to determine the slope of the electrode. This servesthe dual purpose of determining if the electrode is working properly andstoring the slope value in memory. For maximum accuracy, perform aone-buffer calibration every two hours to compensate for electrode drift,using a fresh aliquot of pH 7 buffer.



Stir all buffers and samples with a magnetic stirrer while a measurement isbeing made.






Calibration and Measurement



3. Press CAL key to initiate calibration sequence. CAL is displayedfor two seconds. Press the YES key to accept the last calibrationrange (7-4 or 7-10) or select one of these calibration ranges usingthe SCROLL (▲,▼) keys. Press the YES key to accept. The 7buffer annunciator will light up. Place electrode in pH 7.00 buffer.Reading will be displayed and updated as calibration continues.When the READY light comes on, indicating electrode stability,press the YES key to accept.

4. The pH 4 (or pH 10) annunciator will light up. Remove electrodefrom pH 7.00 buffer. Rinse with deionized water and placeelectrode in either pH 4.01 or 10.01 buffer (depending oncalibration range that was selected). When the READY lightcomes on, press the YES key to accept buffer value. SLP will bedisplayed while the calculated slope is displayed.

5. The annunciators for the type of calibration performed will remainlit until another calibration is performed.





29


B. Autocalibration with One-buffer

NOTE: Autocalibration with one-buffer can only beperformed using pH buffer 7.00.



3. Press CAL key to initiate calibration sequence. CAL is displayedfor 2 seconds. Select calibration range “7” using the SCROLL(▲,▼) keys. Press the YES key to accept. Place electrode in pH7.00 buffer. Reading will be displayed and updated as calibrationcontinues. When the READY light comes on, indicating electrodestability, press the YES key to accept.

4. SLP will be displayed in the upper field while 100.0 (or previouscalibration slope value) is displayed. This value can be editedusing the SCROLL (▲,▼) keys. Press the YES key to enterthis value.







C. Manual pH Calibration

NOTE: Manual calibration can be performedwith any user-selected buffer(s). The differencebetween manual buffer values must be between1 and 4 pH units.

1. Attach electrode to meter.

2. Press the SETUP key. Press the YES key until SET or STD isdisplayed. Choose the SET option and press the YES key.

3. P1 is displayed in the top readout. Using the SCROLL (▲,▼)keys, set user-defined value for the first buffer and press the YESkey to accept new value.

4. Repeat for second buffer value (P2). Press the MODE key to returnto MEASURE mode.

5. Press the CAL key. CAL is displayed for 2 seconds. The lastcalibration buffer range will be displayed. Use the SCROLL(▲,▼) keys to select the SET option. Press the YES key to acceptthis calibration. Pl is displayed. Place electrode into the firstcalibration buffer. When READY light is displayed indicatingelectrode stability, the user defined buffer value will be displayed.Press the YES key to accept. P2 is displayed. Repeat for secondcalibration buffer.

6. When the READY light comes on, press the YES key to acceptbuffer value. SLP will be displayed for 2 seconds while thecalculated slope is displayed.

7. Rinse electrode with deionized water and place in sample.

8. Record pH directly from the main meter display and temperaturefrom upper field when the READY light is displayed or whenelectrode signal is stable.

31


Chapter XIIntroduction to Patented digitalLogR pH Measurement forOrion 320Obtaining accurate pH values depends on both correct measurement ofstandard and sample temperatures and on compensation for any variationsin these temperatures. This thermal compensation has generally beenaccomplished either manually (by measuring sample solution with athermometer and then dialing in the measured temperature on the meter),or automatically (by placing a separate temperature probe together with apH electrode in the solution).


1. The pH of buffers and samples actually changes slightly withtemperature. For buffers, this change is known and is built into thePerpHecT series of meters.

2. The slope of the calibration which the meter uses to convertmillivolt readings to pH, changes with temperature. At 25° C,a 10 degree change in temperature changes the slope by 3.4%.







A. What Is digital LogR?PerpHecT pH meters allow for direct temperature measurement andtemperature compensation from your pH electrode. With simultaneousmeasurement of pH and temperature, the patented Orion digitalLogR technology makes it possible using most standard glass pHelectrodes. The system is based on using the electrical resistance of theglass sensing bulb as the temperature probe. The name comes from thefact that the logarithm of the resistance of the bulb varies almost linearlywith the reciprocal of the absolute temperature (See Figure 5). Almost allcommon pH glasses show a similar decrease in resistance with increasingtemperature, and can be used with other types of meters. However, onlythe exact shape of the curve for Orion PerpHecT electrodes is in themeter’s memory.

To maximize system performance and accuracy, use PerpHecT ROSS andPerpHecT pH electrodes.

2.7

-1 0 1 2 3 4 5 6 72.6

2.82.9

33.13.23.33.43.53.63.73.8

Tem

per

atu

re (

1000

/Deg

rees

Kel

vin

)

Figure 5

Log of Resistance


102030405060708090

0.0040.0030.0030.0030.0030.0030.0030.0030.003

0.0110.0100.0100.0100.0090.0090.0090.0080.008

0.0070.0070.0070.0060.0060.0060.0060.0060.006

0.0140.0140.0140.0130.0120.0120.0120.0110.011

0.0180.0170.0170.0160.0150.0150.0150.0140.014

pH 12or pH 2

pH 11or pH 3

pH 10or pH 4

pH 9or pH 5


33



Choose a temperature calibration range which is at least 5° C apartdepending on your expected operating range. Evenly bracket yourexpected sample temperature range. A maximum 20° C range isrecommended for maximum accuracy. For example, for measurementaround 20° C calibrate at 10° C and 30° C. For temperature spangreater than 20° C, a three-point temperature calibration is recommended.For many samples, a single-point calibration near the expected sampletemperature will yield adequate results. A constant temperature bath ora hot plate is recommended to hold the temperature of calibrating solution.

For best results during temperature calibration, it is recommended thatpH buffer or tap water be used as the temperature calibrating solution.Do Not Use deionized water because the conductivity is too low toobtain a good calibration.

IMPORTANT: When using the meter for the firsttime or restarting in the LogR mode, you must performa LogR temperature calibration. It is recommendedthat at least a two-point temperature calibrationbe performed to meet optimum system accuracy.See Appendix Section for additional information.



34

Orion 320 Temperature Calibration Procedure (cont'd)

To perform a LogR calibration, the LogR function must first be enabled inSETUP mode.

1. Initiate the LogR mode using the SETUP key. Press Yes toenter the LogR function. Press the scroll (▲,▼) keys until “On”is displayed in the upper field. Press Yes to enable the LogRfunction. When the LogR function is enabled, the LogRannunciator will be lit while the meter is in the measure mode.

2. Press MODE key to access LogR temperature calibrationsequence. The LogR annunciator is on and the main readout willdisplay “CAL”. Press the YES key to begin the LogR temperaturecalibration sequence. When the YES key has been pressed, thelast LogR calibration type (“1-PT”, “2-PT” or “3-PT”) will bedisplayed in the readout. “2-PT” is the default.

3. Use the SCROLL (▲,▼) keys to change calibration type, thenpress YES key to accept. CAL will then be displayed in the mainreadout. The measured CAL value, based upon the last calibration,will be displayed. When the LogR signal stabilizes, the “Ready”annunciator will light up.


5. If a two-point calibration is selected, CAL 2 will then bedisplayed in the main readout. Follow steps 3 and 4 to set thesecond temperature value. Follow the same steps if a three-pointcalibration is selected.

6. The meter will go to pH measure mode after accepting the finalvalue.

NOTE: A calibration may be aborted beforeaccepting the final calibration point by pressingthe MODE key. This will cause the system to display“ESC”, proceed to pH mode and retain to theprevious LogR temperature calibration data.


35


Chapter XIIOrion 320 Other Measurement

A. mV/ORP Measurement Orion 3201. Use the MODE key to select mV mode.

2. Connect ORP electrode to meter input.

3. Place electrode in sample. When reading stabilizes, record value.

B. Orion 320 Temperature Compensation(Manual and Automatic)1. Use an ATC probe (Orion 927005 or Orion 927006) for automatic

temperature compensation. Disable the LogR function in the Setupmode.

2. Attach ATC probe to 3.5 mm phone jack on rear panel of themeter. See Figure 4.

3. For manual temperature compensation, disconnect the ATC probe.Manual temperature may only be set when the LogR function isdisabled and there is no ATC probe connected.

Use the SCROLL (▲,▼) keys in MEASURE mode to manuallyset the temperature value. Temperature will be displayed in thetemperature field. This temperature will now be used to calculatetemperature-corrected pH values.


Orion 320 Other Measurement Modes


36

37


Chapter XIIIOrion 330 Meter SetUpA. Power SourceAll PerpHecT meters are designed to operate with a line adaptor(Orion 020125) for 110V operation or (Orion 020130) for 220V operation.Plug the line adaptor securely into the meter’s Line Adapter Input, thenplug into an appropriate wall outlet.


1. ElectrodeAttach the PerpHecT pH electrode or other pH electrode withBNC connector to the BNC input on the meter by sliding the connectoronto the BNC input, then push in and turn clockwise to lock into position.Electrodes with U.S. Standard connectors may be used with an adaptor(Orion 090033). Connect reference electrodes with pin tip connectors bypushing connector directly into reference input.See Figure 4.

2. ATC ProbeAttach ATC probe to the ATC input by sliding the connector straight inuntil firmly in place. Use Orion ATC probes Catalog No. 927006or 927005 only.

3. RS232Attach RS232 connector to the RS232 input for use with printer orcomputer.



38

39


Chapter XIVUsing the Orion 330A. Power-UpPlug meter into an approved wall outlet via the power line adaptor. Theentire display (all annunciators) will be displayed for 2 seconds. Once allpower-up procedures have been completed, the meter automaticallyadvances to measure mode.

NOTE: If this is the first time that the meter hasbeen powered up, it is recommended that the Self-Test Procedure be performed before using the meterfor measurements.


For a description of the diagnostic tests, see Chapter XVIII Self-TestDefinitions pg 53.

This procedure verifies the proper operation of the PerpHecT meters.

Self-test1. Attach shorting cap to electrode BNC input.

2. Plug line adapter (Orion 020125) securely intometer Line Adapter Input, then into an appropriate wall outletwhile pressing the YES key (hold down for 3 seconds) tostart the self-test. The meter will automatically performseven diagnostic tests.


4. After the self-test is completed, the meter will automaticallygo to MEASURE mode.

5. If any problems are found during the self-test, see OperatorAssistance Codes, page 55.

Using the Orion 330



Check Out:1. After the self-test is completed, the meter will be in the

MEASURE mode.

a. Press the MODE key until the pH mode indicator isdisplayed. Main display should read a steady 7.00 ± 0.02.

b. If not, press CAL key. Select a one-point calibration, “7”, tochange the pH reading. When READY lights up, press YES.

c. The main display should read 100.0 with the legend SLPin the upper display. If so, press YES. If not, use theSCROLL (▲,▼) keys to change the value to 100.0 press YES.

d. The meter advances to pH mode and the display should nowread a steady 7.00 ± 0.02.

e. Press the MODE key to enter millivolt mode.Display should read 0 ± 1.

C. SETUP Mode Orion 330Select SETUP mode by pressing SETUP key until SETUP light isactivated. This mode is used to define, change or view meter operatingparameters. While in the SETUP mode, the YES key is used to scrollthrough the menu without changing parameters and to enter newparameters into meter memory. The SCROLL (▲,▼) keys are used tochange the settings within each function. To exit the SETUP mode,press the MODE key at any time.

NOTE: If a parameter has been changed, the YESkey must be pressed to activate the change.

41


The following parameters can be accessed in the SETUP mode:

SlopeThe current electrode slope in meter memory will be displayed. In pHmode, the value is displayed as a percent of theoretical slope. The defaultsetting is 100%. This function is for display purposes only. The value cannot be changed in the SETUP menu. To change the slope value, perform atwo-point calibration or set SLOPE during a one-point pH calibration.Press the YES key to advance to next menu function.

LogRWhen the LogR function is accessed, the LogR annunciator will light upwhile the upper readout displays the current LogR setting (“OFF” fordisabled and “ON” for enabled). Press the YES key to accept the setting.To change the current setting, press a SCROLL key. Press the YES keyto accept. The measured LogR temperature will be used to calculatetemperature-compensated pH values.

Print FunctionThe current print function setting will be displayed in the main fieldand “PrT” will be displayed in the upper field. The default is manualprint, “00”. To change the setting to “print on Ready,” press SCROLL(▲,▼) keys and “01” will be displayed. Press the YES key when thedesired setting is displayed.

Manual Buffer OptionWhen the manual buffer option function is entered, the display willshow STD “57d” or SET “5E7”. To change the setting, press a SCROLL(▲,▼) key. Press the YES key when the desired setting is displayed.When the “STD” option is selected, calibration may only be performedwith standard buffers; pH 4.01, 7.00 and 10.01. When the “SET” option isselected, calibration may be performed with user-defined buffers withinthe 0 to 14 pH range. If “SET” is selected, the meter will advance tosetting the manual buffer values. Buffer values must be at least 1 andnot more than 4 pH units apart.

Using the Orion 330


42

43


Chapter XVGeneral Information onpH Calibration for Orion 330A one or two buffer calibration should be performed using fresh buffersbefore pH is measured. It is recommended that a two buffer calibration,using buffers that bracket the expected sample range, be performed at thebeginning of each day to determine the slope of the electrode. This servesthe dual purpose of determining if the electrode is working properly andstoring the slope value in memory. For maximum accuracy, perform aone-buffer calibration every two hours to compensate for electrode drift,using a fresh aliquot of pH 7 buffer.



Stir all buffers and samples with a magnetic stirrer while a measurementis being made.






Calibration and Measurement of pH



3. Press CAL key to initiate calibration sequence. CAL is displayedfor two seconds. Press the YES key to accept the last calibrationrange (7-4 or 7-10) or select one of these calibration ranges usingthe SCROLL (▲,▼) keys. Press the YES key to accept. The 7buffer annunciator will light up. Place electrode in pH 7.00 buffer.Reading will be displayed and updated as calibration continues.When the READY light comes on, indicating electrode stability,press the YES key to accept.

4. The pH 4 (or pH 10) annunciator will light up. Remove electrodefrom pH 7.00 buffer. Rinse with deionized water and placeelectrode in either pH 4.01 or 10.01 buffer (depending oncalibration range that was selected). When the READY lightcomes on, press the YES key to accept buffer value. SLP will bedisplayed while the calculated slope is displayed. If a printer isattached, calibration data will be sent to the printer.

5. The annunciators for the type of calibration performed will remainlit until another calibration is performed.

6. Meter will automatically go into the MEASURE mode.The READY light will come on to indicate electrode stability.




45


B. Autocalibration with One-bufferNOTE: Autocalibration with one-buffer can only beperformed using pH buffer 7.00.



3. Press CAL key to initiate calibration sequence. CAL is displayedfor 2 seconds. Select calibration range “7” using the SCROLL(▲,▼) keys. Press the YES key to accept. Place electrode in pH7.00 buffer. Reading will be displayed and updated as calibrationcontinues. When the READY light comes on, indicating electrodestability, press the YES key to accept.

4. SLP will be displayed while 100.0 (or previous calibration slopevalue) is displayed. This value can be edited using the SCROLL(▲,▼) keys. Press the YES key to enter this value. If a printer isconnected to the meter, the calibration data will print.


6. If operating in the LogR mode or using an ATC probe,the temperature-corrected pH reading is displayed.




46

C. Manual pH CalibrationNOTE: Manual calibration can be performed withany user-selected buffer(s). The difference betweenmanual buffer values must be between 1 and 4 pHunits.

1. Attach electrode to meter.

2. Press the SETUP key. Press the YES key until SET or STD isdisplayed. Choose the SET option and press the YES key.

3. P1 is displayed in the top readout. Using the SCROLL (▲,▼)keys, set user-defined value for the first buffer and press the YESkey to accept new value.

4. Repeat for second buffer value (P2). Press the MODE key to returnto MEASURE mode.

5. Press the CAL key. CAL is displayed for 2 seconds. The lastcalibration buffer range will be displayed. Use the SCROLL(▲,▼) keys to select the SET option. Press the YES key to acceptthis calibration. Pl is displayed. Place electrode into the firstcalibration buffer. When READY light is displayed indicatingelectrode stability, the user defined buffer value will be displayed.Press the YES key to accept. P2 is displayed. Repeat for secondcalibration buffer.

6. When the READY light comes on, press the YES key to acceptbuffer value. SLP will be displayed while the calculated slope isdisplayed.

7. Rinse electrode with deionized water and place in sample.

8. Record pH directly from the main meter display and temperaturefrom upper field when the READY light is displayed or whenelectrode signal is stable.


47


Chapter XVIIntroduction to Patented digitalLogR pH Measurement forOrion 330Obtaining accurate pH values depends on both correct measurement ofstandard and sample temperatures and on compensation for any variationsin these temperatures. This thermal compensation has generally beenaccomplished either manually (by measuring sample solution with athermometer and then dialing in the measured temperature on the meter),or automatically (by placing a separate temperature probe together witha pH electrode in the solution).


1. The pH of buffers and samples actually changes slightly withtemperature. For buffers, this change is known and is built intothe PerpHecT series of meters.

2. The slope of the calibration, which the meter uses to convertmillivolt readings to pH, changes with temperature. At 25° C,a 10 degree change in temperature changes the slope by 3.4%.





48



A. What Is digital LogR?PerpHecT pH meters allow for direct temperature measurement andtemperature compensation from your pH electrode. With simultaneousmeasurement of pH and temperature, the patented Orion digitalLogR technology makes it possible using most standard glass pHelectrodes. The system is based on using the electrical resistance of theglass sensing bulb as the temperature probe. The name comes from thefact that the logarithm of the resistance of the bulb varies almost linearlywith the reciprocal of the absolute temperature (See Figure 5). Almost allcommon pH glasses show a similar decrease in resistance with increasingtemperature, and can be used with other types of meters. However, onlythe exact shape of the curve for Orion PerpHecT electrodes is in themeter’s memory.

To maximize system performance and accuracy, use PerpHecT ROSSand PerpHecT pH electrodes.

2.7

-1 0 1 2 3 4 5 6 72.6

2.82.9

33.13.23.33.43.53.63.73.8

Tem

per

atu

re (

1000

/Deg

rees

Kel

vin

)

Log of Resistance


102030405060708090

0.0040.0030.0030.0030.0030.0030.0030.0030.003

0.0110.0100.0100.0100.0090.0090.0090.0080.008

0.0070.0070.0070.0060.0060.0060.0060.0060.006

0.0140.0140.0140.0130.0120.0120.0120.0110.011

0.0180.0170.0170.0160.0150.0150.0150.0140.014

pH 12or pH 2

pH 11or pH 3

pH 10or pH 4

pH 9or pH 5


Figure 5

49




Choose a temperature calibration range which is at least 5° C apartdepending on your expected operating range. Evenly bracket yourexpected sample temperature range. A maximum 20° C range isrecommended for maximum accuracy. For example, for measurementaround 20° C calibrate at 10° C and 30° C. For temperature spangreater than 20° C, a three-point temperature calibration is recommended.For many samples, a single-point calibration near the expected sampletemperature will yield adequate results. A constant temperature bath ora hot plate is recommended to hold the temperature of calibrating solution.

For best results during temperature calibration, it is recommended thatpH buffer or tap water be used as the temperature calibrating solution.Do Not Use deionized water because the conductivity is too low to obtain agood calibration.

IMPORTANT: When using the meter for the firsttime or restarting in the LogR mode, you mustperform a LogR temperature calibration. It isrecommended that at least a two-point temperaturecalibration be performed to meet optimum systemaccuracy. See Appendix Section for additionalinformation.



Orion 330 Temperature Calibration Procedure (cont'd)

To perform a LogR calibration, the LogR function must first be enabled inSETUP mode.

1. First, initiate the LogR mode using the SETUP key. When theLogR function is enabled, the LogR annunciator will be lit.

2. Press MODE key to access LogR temperature calibrationsequence. The LogR annunciator is on and the main readout willdisplay “CAL”. Press the YES key tobegin the LogR temperaturecalibration sequence. When the YES key has been pressed, thelast LogR calibration type (“1-PT”, “2-PT” or “3-PT”) will bedisplayed in the main readout. “2-PT” is the default.

3. Use the SCROLL (▲,▼) keys to change calibration type, thenpress YES key to accept. CAL will then be displayed in thereadout. The measured CAL value, based upon the last calibration,will be displayed. When the LogR signal stabilizes, the Readyannunciator will light up.


5. If a two-point calibration is selected, CAL 2 will then be displayedin the main readout. Follow steps 3 and 4 to set the secondtemperature value. Follow the same steps if a three-pointcalibration is selected.

6. The meter will go to pH measure mode after accepting the finalcalibration value.

NOTE: A calibration may be aborted beforeaccepting the final calibration point by pressingthe MODE key. This will cause the system to display“ESC”, proceed to pH mode and retain to theprevious LogR temperature calibration data.

51


Orion 330 Other Measurement Modes

Chapter XVIIOrion 330 OtherMeasurement ModesA. mV/ORP Measurement

1. Use the MODE key to select mV mode.

2. Connect ORP electrode to meter input.

3. Place electrode in sample. When reading stabilizes, record value.

B. Temperature Compensation(Manual and Automatic)1. Use an ATC probe (Orion 927005 or Orion 927006) for automatic

temperature compensation. Disable the LogR function in the Setupmode.

2. Attach ATC probe to 3.5 mm phone jack on rear panel of themeter. See Figure 4.

3. For manual temperature compensation, disconnect the ATC probe.Manual temperature may only be set when the LogR function isdisabled and there is no ATC probe connected.

Use the SCROLL (▲,▼) keys in MEASURE mode to manuallyset the temperature value. Temperature will be displayed in thetemperature field. This temperature will now be used to calculatetemperature-corrected pH values.



52

53


Chapter XVIIISelf-Test DefinitionsOrion 310, 320 and 330During the self-test, the meter will display various codes correspondingto the section of the instrument being checked. If any problems are found,an operator assistance code corresponding to the test that failed will bedisplayed. Note the code and press the YES key to continue. (See Table 2under Operator Assistance Codes). If an operator assistance code appearsduring self-test, check to make sure that the shorting cap is securelyattached, then repeat the test. If the problem persists, contact the TheTechnical EdgeSM for Orion Products at 1-800-225-1480. During the self-test, the meter displays the number of the test in the main field. Additionalmeter displays occur depending on the test being performed.

NOTE: Ensure that the shorting cap is securelyattached to the meter BNC input prior to self-test.

Self-Test Definitions Orion 310, 320 and 330


54

Test Function\Display

Test #1 Segment Display checks meter display. Ensures that allsegments are lit.

Test #2 RAM Check verifies the proper operation of the RandomAccess Memory.

Test #3 External Input checks the electrode-input channel.Shorting cap must be plugged in for this test.

Test #4 Ground Reference checks the meter ground.

Test #5 Temperature Reference checks the ATC reference.

Test #6 Internal Reference checks the internal reference ofthe meter.

Test #7 Keypad Test checks that the keypad is functioningproperly. During this test, all keys must be pressed atthe “0” prompt. As each key is pressed, a numbercorresponding to the key is displayed. When allkeys have been pressed, READY will be displayed.

If no keys are pressed or there is a problem with a key themeter will recognize an error and display E-07. Press theYES key to continue.

Self-Test Definitions Orion 310, 320 and 330

55


Chapter XIXOperator Assistance CodesOrion 310, 320 and 330Operator Assistance Codes are used to inform the user of anout-of-range value or meter problem. The following tables outline theoperator assistance codes available in all Orion PerpHecT pH andpH/ISE Meters.

The meter has a self-test circuit which verifies proper electronicoperation. During self-test a special series of codes, E-02 through E-07,indicates a problem with the meter hardware. Should one of these codesappear, check that shorting cap is securely attached. If problem persists,contact The Technical EdgeSM for Orion Products at 1-800-225-1480.

Table 2Code Function

E-02 RAM Check Error

E-03 Input Channel Error: ensure that the shorting cap issecurely attached to the meter and repeat self-test.

E-04 Ground Reference Error

E-05 Temperature Reference Error

E-06 Internal Reference Error

E-07 Internal Keypad Error: Press each key while in self-test.

If code persists, contact The Technical EdgeSM for Orion Products at1-800-225-1480.

Operator Assistance Codes Orion 310, 320 and 330


56

The Operator Assistance Codes E-20 through E-36 alert the user to apotential problem while calibrating or measuring. Several steps can betaken to eliminate the problem in each case. If the code persists aftertrying the suggested remedies, contact The Technical EdgeSM for OrionProducts at 1-800-225-1480.

NOTE: Press any key to clear an Error messagefrom the display

Code Description Causes / Suggestions

E-20 Out of Range 1. Occurs when electrode is out ofsolution. Code will disappear whenelectrode is returned to solution.

2. Sample may be out of range.Check system using a buffer.

3. Recalibrate system using fresh buffers.

4. Refer to electrode instruction manualfor instructions on how to clean theelectrode.

E-21 ABR error/ Electrode voltage being measured ispH AutoCal error > ± 0.5 pH units from the nominal value

for the pH buffer. Press key toacknowledge clear error.

1. Verify buffer is pH 4.01, 7.00 or 10.01.

2. Recalibrate using fresh buffers.

3. Refer to pH electrode instructionmanuals for instructions on how toclean the electrode.

4. Verify that the buffer the meter isprompting for is being measured.

5. Perform manual calibration.

NOTE: Non-standard calibration buffersmay be used only for manual calibrations.


57




E-22 Calibration The pH values being measuredStandard Error are the same for two different buffers.

1. Press any key to acknowledge.

2. Check that two different buffers arebeing used and that the correct one isbeing measured.


E-23 Bad Slope pH electrode slope not in the rangeof 80% to 120%

1. Press any key to acknowledge.


3. Refer to pH electrode instructionmanual for instructions on how toclean the electrode.

E-29 Printer Error The meter is sending information to aprinter and there is no printer pluggedinto the meter or printer is not turned on.

If a printer is being used check that theprinter is properly connected.

E-31 Bad Value A value has been entered which is notwithin the acceptable range for thatfunction.

1. Press any key to acknowledge error.

2. Re-enter a new value within theallowable range. Acceptable valuesare as follows:

pH: 0.000 to 14.000SLP: 80.0 to 120.0TEMP: 0.0 to 100.0Manual buffers: Must be greater than1 and less than 4 pH units apart.


58 Operator Assistance Codes Orion 310, 320 and 330


E-35 Bad LogR Displayed when two calibration standardsStandard do not differ in temperature by the

minimum allowable differences inLogR mode.

1. The difference between temperaturepoints must be at least 5° C.

E-36 No LogR Cal Displayed when the calibrationcoefficients from a LogR calibrationare out-of-range. Incorrect temperaturevalue entered.

1. Recheck temperatures and recalibrate.

2. Check electrode and inputs

E-40 Serial Memory Displayed at power-up when an errorError occurs accessing factory calibration data.

1. Unplug meter, plug in again after10 seconds.

59


Chapter XXTroubleshooting Guide

Malfunction Possible Cause Remedy

No Display No power to meter Check that meter is pluggedin. Check that the proper lineconverter is plugged insecurely.

Erratic Readings Meter or electrode Follow the meter check-outor Reading failure procedure in this manual.Out-of-Range

Check the electrodeoperation by following theinstructions in the electrodemanual. Ensure properelectrode connection tothe meter.

Troubleshooting Guide


60 Troubleshooting Guide

61


Chapter XXIRepair and ServiceAfter troubleshooting all components of your measurement system,contact The Technical EdgeSM for Orion products. Within the UnitedStates call 1.800.225.1480, outside the United States call 978.232.6000 orfax 978.232.6031. In Europe, the Middle East and Africa, contact yourlocal authorized dealer. For the most current contact information, visitwww.thermo.com.

Repair and Service


62

63


Chapter XXIIIWarranty

For the most current warranty information, visit www.thermo.com.

The Thermo Electron Corporation, Orion products warranty coversfailures due to manufacturer’s workmanship or material defects from thedate of purchase by the user. User should return the warranty card andretain proof of purchase. Warranty is void if product has been abused,misused, or repairs attempted by unauthorized persons.

Warranties herein are for product sold/installed by Thermo or itsauthorized dealers.

Any product sold by a U.S. or Canadian distributor must be returned toThermo for any warranty work. Please contact our Technical Servicedepartment for further information. A Return Authorization Number mustbe obtained from The Technical EDGESM for Orion Products beforereturning any product for in-warranty repair or replacement.

In the event of failure within the warranty period, Thermo will at thecompany’s option, repair or replace product not conforming to thiswarranty. There may be additional charges, including freight, for warrantyservice performed in some countries. For service, call Thermo or itsauthorized dealer outside the United States and Canada. Thermo reservesthe right to ask for proof of purchase, such as the original invoice orpacking slip.

Field Service is available on Orion BOD AutoEZ™, EZ Flash® GCAccessory and TEA Analyzer®. Contact our Field Service department fordetails on quotations and service, other field service-related activities.

The following products are warranted to be free from defects in materialand workmanship in the period listed below from the date of purchasefrom the user or from the date of shipment from Thermo, whichever isearlier, provided use is in accordance with the operating limitations andmaintenance procedures in the instruction manual and when not havingbeen subjected to accident, alteration, misuse, abuse or breakage ofelectrodes:

Warranty


64

Thirty-six months from date of purchase by the user (or forty-twomonths from date of shipment from Thermo)

• Waterproof Meters (Orion 630, 635, 830A, 835A, 260A, 261S, 265A,266S, 130A, 131S, 135A and 136S), Conductivity Meters (Orion105Aplus, 115Aplus, 125Aplus, 145Aplus, 150Aplus and 162A),PerpHect® pH/ISE Meters (Orion 310, 320, 330, 350, 370) pH/ISEMeters (Orion 210Aplus, 230Aplus, 250Aplus, 290Aplus, 410Aplus,420Aplus, 520Aplus, 525Aplus, 710Aplus, 720Aplus and 920Aplus),pHuture MMS™ Meters (Orion 535A and 555A), pH/ConductivityMeter (Orion 550A), Dissolved Oxygen Meters (Orion 805Aplus,810Aplus, 850Aplus and 862A).

Twenty-four months from date of purchase by the user (or thirty-sixmonths from date of shipment from Thermo)

• Orion ROSS Ultra® Electrodes, Orion AQUAfast® IV Colorimeters,Orion AQUAfast® IV Turbidimeter, Orion 925 Flash Titrator™, Series100 DuraProbe™ Conductivity Cells and Series 800 DissolvedOxygen Probes.

Twelve months from date of purchase by the user (or eighteen monthsfrom date of shipment from Thermo)

• Laboratory pH Meters, (Orion 301, 611 and 940), SensorLink®,pHuture™ pH Meters (Orion 610 and 620), Sage® Pumps, Cahn®

Balances, 930 Ionalyzer®, 950 ROSS™ FAST QC™ Titrator, 960Titrator PLUS®, Karl Fischer Titrators, Autosamplers, LiquidHandling Devices, Liquid Handling Automation Workstations (OrionAS2000, AS2500 and AS4000), Pumps (Orion SP201, SP201-HR,SP201-S, Peristaltic and Rinse), pHuture® Conversion Box, WineMaster®, 607 Switchbox, rf link™, AQUAfast® II Colorimeters,Vacuum Degasser and Flowmeter.

• Orion EZ Flash® GC Accessory, Orion TEA Analyzer® 610 and 510excluding consumable items carry twelve months warranty only.

• Orion Ion Selective Electrodes, ionplus® Electrodes, ROSS™Electrodes, Sure-Flow® Electrodes, PerpHecT® Electrodes, AquaProProfessional Electrodes, No Cal™ pH electrodes, Standard Line pHElectrodes, Tris pH Electrodes, KNIpHE® electrode, ORP Triode™(Orion 9180BN), pHuture™ pH Probes (Orion 616500) and pHutureMMS™ Quatrode™ and Triode™ (Orion 616600 and 617900), Orion

Warranty

65


Warranty

97-08 DO Probe, Series 100 Conventional Conductivity Cells,temperature probes and compensators (except those products noted).

• Orion 93 and 97 ionplus Series sensing modules are warranted to givesix months of operation if placed in service before the date indicatedon the package, except 93-07 and 97-07 Nitrate modules are warrantedto give ninety days of operation if placed in service before the dateindicated on the package.

Six months from date of purchase by the user (or twelve months fromdate of shipment from Thermo)

• Orion Flash Titration™ Probe (Orion 092518), pHuture™ Electrode(Orion 615700), pHuture MMS™ Pentrode™ (Orion 617500),Quatrode™ (Orion 617800) and Triode™ (Orion 615800), LowMaintenance Triode™ (Orion 9107BN), ORP Low MaintenanceTriode™ (Orion 9179BN), and PerpHecT® Low MaintenanceTriode™ (Orion 9207BN), Waterproof Triode™ (Orion 9107WP,9107WL, 9109WL and 9109WP), QuiKcheK® Meters and MicroElectrodes.

Three months from date of purchase by the user (or six months fromdate of shipment from Thermo)

• Economy Line Electrodes, Orion 91-05, 91-06, 91-15, 91-16, 91-25,91-26, 91-35, 91-36, 92-06. Warranty also includes failure for anyreason (excluding breakage), except abuse, provided the electrode isnot used in solutions containing silver, sulfide, perchlorate, orhydrofluoric acid; or in solutions more than one (1) Molar in strongacid or base at temperatures above 50 °C.

“Out-of-Box” Warranty - Should any of the following products fail towork when first used, contact Thermo immediately for replacement.

• Orion Solutions, Standards, Reagents, Cables, Ferrules, Tubing, Lineadapters, Printers, Software, Cases, Stands, Probe Membranes,AQUAfast® Test Strips, EZ Flash® columns, Liquid Handling Probes,Adapter Plates and Racks and general accessories.

For products in the catalog not listed in this warranty statement, pleasevisit our website at: www.thermo.com


66

THE WARRANTIES DESCRIBED ABOVE ARE EXCLUSIVE ANDIN LIEU OF ALL OTHER WARRANTIES WHETHER STATUTORY,EXPRESS OR IMPLIED INCLUDING, BUT NOT LIMITED TO, ANYIMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FORA PARTICULAR PURPOSE AND ALL WARRANTIES ARISINGFROM THE COURSE OF DEALING OR USAGE OF TRADE. THEBUYER’S SOLE AND EXCLUSIVE REMEDY IS FOR REPAIR ORREPLACEMENT OF THE NON-CONFORMING PRODUCT OR PARTTHEREOF, OR REFUND OF THE PURCHASE PRICE, BUT IN NOEVENT SHALL THERMO (ITS CONTRACTORS AND SUPPLIERSOF ANY TIER) BE LIABLE TO THE BUYER OR ANY PERSON FORANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIALDAMAGES WHETHER THE CLAIMS ARE BASED IN CONTRACT,IN TORT (INCLUDING NEGLIGENCE), OR OTHERWISE WITHRESPECT TO OR ARISING OUT OF THE PRODUCT FURNISHEDHEREUNDER.

REPRESENTATION AND WARRANTIES MADE BY ANY PERSON,INCLUDING ITS AUTHORIZED DEALERS, REPRESENTATIVESAND EMPLOYEES OF THERMO WHICH ALTER OR ARE INADDITION TO THE TERMS OF THIS WARRANTY SHALL NOT BEBINDING UPON THERMO UNLESS IN WRITING AND SIGNED BYONE OF ITS OFFICERS.

Warranty

67


Notice of Compliance

Chapter XXIVNotice of Compliance

WARNING: This meter may radiate radiofrequency energy and if not installed and usedproperly, that is in strict accordance with themanufacturer's instructions, may cause interferenceto radio communications. It has been tested andfound to comply with the limits for a Class Acomputing device pursuant to Subpart J of Part 15of FCC Rules, which are designed to providereasonable protection against such interference in acommercial environment. Operation of the meter ina residential area may cause interference in whichcase the user at his own expense will be required totake whatever measures may be required to correctthe interference.

NOTE: To meet or exceed FCC regulations theOrion-supplied line converters must be used.

This digital apparatus does not exceed the Class A limits for radio noiseemissions from digital apparatus set out in the Radio InterferenceRegulations of the Canadian Department of Communications.

Le présent appareil numérique n’ émet pas de bruits radioélectriquesdépassant les limites applicables aux appareils numériques (de la class A)prescrites dans le Règlement sur le brouillage radioélectrique édicté par leministère des Communications du Canada.”


68 Notice of Compliance

Certificate of ConformityThermo Electron Corporation

Manufacturer: Thermo Electron Corporation166 Cummings CenterBeverly, MA 01915-6110 U.S.A.

hereby declares that the products

Perphect LogR Orion310, 320, 330, 350 and 370from Serial No. 002000

conform with the following standards and documents

Safety: IEC 1010 Safety for Laboratory EquipmentUL 1262 Laboratory EquipmentCSA C22.2 No. 151 Laboratory Equipment

Emissions: EN 55022 EmissionsFCC Part 15 Class A

Immunity: EN50082-1 Generic ImmunityIEC 801-2 ESD SusceptibilityIEC 801-3 Radiated SusceptibilityIEC 801-4 Conducted Susceptibility

These Orion products have been manufactured in compliance with theprovisions of the relevent Thermo Electron manufacturing and testdocuments and processes. Further, these documents and processes arerecognized as complying with ISO 9002:2000 by QMI, listed as File# 001911.

Place and date of issue: _________________Beverly, MA.

June, 2003 John MerseveQ.A. Director

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Ordering Information

Chapter XXIVOrdering InformationOrion Description

031000 Orion 310 PerpHecT pH/Temperature meter, PerpHecTAg/AgCl electrode, 115V

031001 Orion 310 PerpHecT pH/Temperature meter, PerpHecTAg/AgCl electrode, 220V

0310A0 Orion 310 PerpHecT pH/Temperature meter, PerpHecTROSS electrode, 115V

0310A1 Orion 310 PerpHecT pH/Temperature meter, PerpHecTROSS electrode, 220V

032000 Orion 320 PerpHecT pH/mV/Temperature meter,PerpHecT Ag/AgCl electrode, 115V

032001 Orion 320 PerpHecT pH/mV/Temperaturemeter, PerpHecT Ag/AgCl electrode, 220V

0320A0 Orion 320 PerpHecT pH/mV/Temperature meter,PerpHecT ROSS electrode, 115V

0320A1 Orion 320 PerpHecT pH/mV/Temperaturemeter, PerpHecT ROSS electrode, 220V

033000 Orion 330 PerpHecT pH/mV/Temperature meter,PerpHecT Ag/AgCl electrode, 115V

033001 Orion 330 PerpHecT pH/mV/Temperaturemeter, PerpHecT Ag/AgCl electrode, 220V

0330A0 Orion 330 PerpHecT pH/mV/Temperature meter,PerpHecT ROSS electrode, 115V

0330A1 Orion 330 PerpHecT pH/mV/Temperaturemeter, PerpHecT ROSS electrode, 220V

035000 Orion 350 PerpHecT pH/ISE meter, PerpHecTAg/AgCl electrode, 115V


70 Ordering Information

Orion Description


0350A0 Orion 350 PerpHecT pH/ISE meter, PerpHecTROSS electrode, 115V


0350G0 Orion 350 PerpHecT pH/ISE meter, PerpHecTROSS electrode, Printer, 115V








8202BN PerpHecT ROSS Glass combination pH electrode

8203BN PerpHecT ROSS Glass semi-micro combinationpH electrode

8235BN PerpHecT ROSS Epoxy flat surface combinationpH electrode

8256BN PerpHecT ROSS Epoxy combination pH electrode

8272BN PerpHecT ROSS Glass Sure-Flow combinationpH electrode

71


Ordering Information

Orion Description

9202BN PerpHecT Glass combination pH electrode

9203BN PerpHecT Glass semi-micro combination pH electrode

9206BN PerpHecT Epoxy gel-filled combination pH electrode

9207BN PerpHecT Epoxy gel-filled Triode pH electrode

9256BN PerpHecT Epoxy combination pH electrode

9272BN PerpHecT Glass Sure-Flow combination pH electrode

927005 PerpHecT Epoxy ATC probe

927006 PerpHecT Glass ATC probe

910410 perpHect® buffer 4 in trial size 10 pack

910710 perpHect buffer 7 in trial size 10 pack

911010 perpHect buffer 10 in trial size 10 pack

910425 perpHect buffer 4 in standard size 25 pack




72

73


Specifications

Chapter XXVSpecifications ForPerpHecT Meters

ORION 310 ORION 320 ORION 330 ORION 350 ORION 370

pH 0.00 - 14.00 0.00 - 14.00 0.00 - 14.00 0.000 - 14.000 0.000 - 14.000

RESOLUTION 0.01 0.1, 0.01 0.1, 0.01 0.1, 0.01, 0.001 0.1, 0.01, 0.001

ACCURACY +/- 0.02 +/- 0.02 +/- 0.02 +/- 0.005 +/- 0.005(at room temp.) (at room temp.) (at room temp.) (at room temp.) (at room temp.)

mV NONE +/- 1999 +/- 1999 +/- 1999.9 +/- 1999.9

mV (in LogR mode) NONE +/- 1000 +/- 1000 +/- 1000.0 +/- 1000.0

RESOLUTION N/A 1 1 0.1 0.1

ACCURACY N/A +/- 1 +/- 1 +/- 0.2 +/- 0.2+/- 0.1 % +/- 0.1 % +/- 0.05 % +/- 0.05 %(reading) (reading) (reading) (reading)

REL mV NONE NONE NONE +/- 1999.9 +/- 1999.9

RESOLUTION N/A N/A N/A 0.1 0.1

ACCURACY N/A N/A N/A +/- 0.2 +/- 0.2+/- 0.05% +/- 0.05%(reading) (reading)

ATC TEMP 0.0 - 100° C 0.0 - 100° C 0.0 - 100° C 0.0 - 100° C 0.0 - 100° C

RESOLUTION 0.1 0.1 0.1 0.1 0.1

ACCURACY +/- 1.0 +/- 1.0 +/- 1.0 +/- 1.0 +/- 1.0

CONCENTRATION N/A N/A N/A N/A 0.000 - 19900

RESOLUTION N/A N/A N/A N/A 0.1, 0.01, 0.001

ACCURACY N/A N/A N/A N/A +/- 0.5% (reading) Temperature Auto/Manual Auto/Manual Auto/Manual Auto/Manual Auto/Manual Compensation LogR Temp Accuracy +/- 0.5° C +/- 0.5° C +/- 0.5° C +/- 0.5° C +/- 0.5° C (over a 20° C Cal Range)

DIGITAL N/A N/A RS232 Output RS232 Output RS232 OutputINTERFACE

RECORDER NO NO YES YES YES

CLOCK NO NO NO YES YES

BATTERY NO NO NO YES YESBACK-UP

# OF CAL POINTS 1 or 2 1 or 2 1 or 2 1, 2, or 3 1, 2, or 3(pH)

# OF CAL POINTS N/A N/A N/A N/A 2(Concentration)

ELECTRODE 9202BN 9202BN 9202BN 9272BN 9272BNPACKAGE PerpHecT PerpHecT PerpHecT PerpHecT Glass PerpHecT

Glass Comb Glass Comb Glass Comb Comb Sure-Flow Glass Combor 8202BN or 8202BN or 8202BN or Sure-Flow or

8272BN 8272BNGlass Comb Glass CombSure-Flow Sure-Flow

Environmental Specifications (all meters):• Indoor use only • Altitudes up to 2000 meters• Temperature between 5° C and 45° C • Relative Humidity 5 - 85%


74

75


Appendix ALogR TemperatureAccuracy Tables

Two-point LogR calibration average Temperature Compensation pH errorat 3 & 11 pH.

AVG TEMP AVG TEMPAVG TEMP AVG TEMP COMP pH COMP pHERROR ERROR ERROR ERROR0 - 25° C above 20° C* 0 - 25° C above 20° C*

ELECTRODE ° C ° C pH units pH units

8202 0.36 0.10 0.004 0.0018203 0.13 0.02 0.002 0.0008235 0.04 0.14 0.000 0.0028256 0.22 0.06 0.003 0.0018272 0.23 0.06 0.003 0.0019202 0.21 0.06 0.003 0.0019203 0.20 0.10 0.002 0.0019206 0.29 0.06 0.003 0.0019207 0.16 0.07 0.002 0.0019256 0.27 0.07 0.003 0.0019272 0.22 0.06 0.003 0.001

* For 20° C Temperature Compensation windows

Appendix A


76

Three-point LogR Calibration average Temperature CompensationpH Error at 3 & 11 pH.

MAX TEMP MAX TEMPMAX TEMP MAX TEMP COMP pH COMP pHERROR ERROR ERROR ERROR0 - 25° C above 20° C* 0 - 25° C above 20° C*

ELECTRODE ° C ° C pH units pH units

8202 0.04 0.03 0.000 0.0008203 0.04 0.01 0.000 0.0008235 0.07 0.06 0.001 0.0018256 0.04 0.06 0.000 0.0018272 0.02 0.01 0.000 0.0009202 0.02 0.04 0.000 0.0009203 0.03 0.06 0.000 0.0019206 0.06 0.05 0.001 0.0019207 0.02 0.02 0.000 0.0009256 0.07 0.07 0.001 0.0019272 0.02 0.00 0.001 0.000

* For 20° C Temperature Compensation windows

Appendix A

229048-001 Rev.D

Environmental InstrumentsWater Analysis

North America 166 Cummings CenterBeverly, MA 01915 USATel: 978-232-6000Dom. Fax: 978-232-6015Int’l. Fax: 978-232-6031

Europe12-16 Sedgeway Business ParkWitchford, CambridgeshireEngland, CB6 2HYTel: 44-1353-666111Fax: 44-1353-666001

Far EastRoom 904, Federal Building369 Lockhart RoadWanchai, Hong KongTel: 852-2836-0981Fax: 852-2834-5160

Customer Support Toll Free: 800-225-1480 www.thermo.com Dom. e-mail: [email protected]’l. e-mail: [email protected]

For updated contact information, visit www.thermo.com

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