1 August, 2001 2750/2754 Product Introduction

3-2750 pH/ORP Sensor

* Electrodes sold separately.

1 August, 2001 2750/2754 Product Introduction

Table of Contents

Description of Product(s)

Theory of Operation

Features, Advantages and Benefits

Key Technical Specifications

Target Applications

Wiring/Installation

Competitive Matrix

Ordering Information

1 August, 2001 2750/2754 Product Introduction

Description of Product(s)3-2750 In-Line or Submersible pH/ORP Sensor

3-2750-3Submersible

Assembly

Use with3-8050-1,2*UniversalMount KitOR3-8052-1,2*3/4” IntegralMount Kit.

3-2750-1 or -2*In-Line Assembly

Use with +GF+ SIGNET fittings 0.5 to 4 in. OR 1-1/4 in. adapters (P31515)CPVC-0C200PVC-0P200 PVDF-0V200

* Electrodes sold separately.

1 August, 2001 2750/2754 Product Introduction

Description of Product(s)3-2754 thru 3-2757 Combination Electrode

pH

3-2754 Flat-HF

HF resistant

3-2757 Bulb(shown in B&W)3-2756 Bulb

(shown in B&W)

-DIFor < 100 uS

3-2755 Flat

ORP

mV

GND

PT-1000

PT-1000

mV

GND

10K ohm

10K ohm

pH

ORP

1 August, 2001 2750/2754 Product Introduction

Description of Product(s)3-8050-1,2* and 3-8052-1,2*

PCB withinternalcalibrationswitches

Dual TerminalBlocks for easywiring

Green LED forVisual Indicationof calibration

1 August, 2001 2750/2754 Product Introduction

Table of Contents

Description of Product(s)

Theory of Operation

Features, Advantages and Benefits

Key Technical Specifications

Target Applications

Wiring/Installation

Competitive Matrix

Ordering Information

1 August, 2001 2750/2754 Product Introduction

Theory of Operation

+-

+-

mV IN

pt-1000

POWER AND SIGNALISOLATION

IMPEDANCEMATCHING

uPROCESSORCONTROL

uController

ANALOG OUTPUT/POWER CONNECTION BLACK - "+"

5 VDC FOR S3L12-24 VDC FOR 4-20 mA

WHITE - "-"SIGNAL GND FOR S3LLoop - FOR 4-20 mA

RED -DATA OUT FOR S3LCALIBRATE FOR 4-20 mA

SHIELD

1. Unit outputs 4-20mA when input power exceeds 12 VDC2. In Cal Mode unit has auto buffer recognition of pH 4, 7, 10 pH

or 87, 264 mV’s ORP.

2a. RESET TO FACTORY - Remove electrode; push and hold button for 10 secs. LED steady ON, then OFF indicates reset (let go).2b. CAL - Push and hold button for 10 secs. LED steady ON, then OFF indicates proper calibration.

3. Calibration error indicated by blinking LED, previous values kept.

1 August, 2001 2750/2754 Product Introduction

Table of Contents

Description of Product(s)

Theory of Operation

Features, Advantages and Benefits

Key Technical Specifications

Target Applications

Wiring/Installation

Competitive Matrix

Ordering Information

1 August, 2001 2750/2754 Product Introduction

Features, Advantages and Benefits2750 Sensor Electronics

CPVC SubmersibleAssembly

PBT In-LineAssembly

Features: 3/4” NPT

(ISO coming) DryLoc™

Connection Auto-Buffer

Recognition 4-20 mA or

S3L™ Digitalsignal for planned products

Advantages: Simple Process

Connection Waterproof/

Foulproof Simplifies

calibration/use Allows minimal

stocking to meet applications -sets stage for multi-parametermeters

Benefits: Saves install./

service time Forgiving

system vs. BNC Reduces training Saves OEM/

Distributor $$’sinventory red.Common signal for future meters

1 August, 2001 2750/2754 Product Introduction

Features, Advantages and Benefits275X Electrodes

Features: DryLoc™

Connection In-Line or

Submersible Double

Junction Long

ReferencePath

Various Options

Advantages: Waterproof/

Foulproof One sensor

typefor both

Two barriersfor reference

Accurate,reliable sensorreference

Can handle manyprocess types

Benefits: Secure

connection Simplifies

maintenance Provides long life

expectancy Greater accuracy

and stability User risk reduced

with sensors available

(Bulb electrode shown in B&W)

1 August, 2001 2750/2754 Product Introduction

Table of Contents

Description of Product(s)

Theory of Operation

Features, Advantages and Benefits

Key Technical Specifications

Target Applications

Wiring/Installation

Competitive Matrix

Ordering Information

1 August, 2001 2750/2754 Product Introduction

Key Technical Specifications2750 Sensor Electronics

GeneralCompatible Electrodes: +GF+ SIGNET 3-275x pH/ORP ElectrodesOperational Range: pH: 0.00 to 14.00

ORP: ± 2,000 mV Temp. : 0° C to 85° C (32 to 185°F)

Response Time*: pH: < 6 s for 95% of change ORP: application dependent Temp : 140 seconds (2754), 196 seconds (2756)* includes response time of electrodes

Enclosure: 2750-1&2 (in-line): NEMA 4X/IP652750-3 &4 (submersible): NEMA 6P/IP68 (with pipe extension and/or watertight conduit)

Materials: 2750-1&2 (in-line): Valox® (PBT)2750-3&4 (submersible): CPVC

Weight: 2750-1&2 (in-line): 0.75 kg (1.65 lbs.)2750-3&4 (submersible): 0.64 kg (1.41 lbs.)

Immunity: EN 50082-2Emissions: EN 50081-1ElectricalCable: 4.5m (15 ft.), 3-conductor shielded 22AWGPower: 12 to 24VDC for 4 to 20mA Loop

5VDC ± 5% regulated, 3mA max.Current output: pH: Fixed 4 to 20mA, isolated, = 0.00 to 14.00 pH

(custom scaling available)ORP: Fixed 4 to 20mA, isolated, = -1000 to 2000mV (custom scaling available from -2000 to 2000mV)

Max Loop Resistance: 50 max. @ 12V325 max. @ 18V600 max. @ 24V

Accuracy: ± 32µAResolution: ± 5µAUpdate Rate: 0.5 sError indication: 3.6mAS3L output Serial ASCII, TTL level 9600 bpsAccuracy: pH: ± 0.03 pH @ 25° C (77°F)

ORP: ± 2mV @ 25° C (77°F)Resolution: pH: 0.02 pH

ORP: 1mVTemp.: 0.2°C

Update Rate: 0.5 secondsError indication: Initiates “Check Sensor” command via S3L outputInput Impedance, Z: >1011

EnvironmentalOperating Temp.: 0° C to 85°C (32° to 185°F)Storage Temp.: -20° C to 85°C (-4° to 185°F)Relative Humidity: 0 to 95%, non-condensing

(without electrode connected)Enclosure Rating:

3-2750-1&2: NEMA 4X/IP65 with electrode connected3-2750-3&-4: NEMA 6P/IP68 with electrode and watertight conduit and/or extension pipe connected

Standards and Approvals• CE• Manufactured under ISO 9001 and ISO 14001

1 August, 2001 2750/2754 Product Introduction

Key Technical Specifications2754 and 2756 pH Electrodes

Operating Range: 0 to 14 pHTemperature:

2756: 0°C to 85°C (32° to 185°F)2754: 10° to 85°C (50° to185°F)2754-HF: 0° to 85°C (32° to 185°F)

Storage Temperature: > -12° C (11° F)Pressure: 6.89 bar @ 0°C (100 psi @ 32° to 149°F)

4.00 bar @ 85°C (58 psi @ 150° to 185°F)Pipe Size Range: 1/2 in. and up. Use +GF+SIGNET installation

fittings from 0.5 to 4.0 in. (use pipe adapter in pipes over 4 in.) Vertical mounting ±60° required. Submersion with 3-2750 sensor requires 3/4 in. NPT or ISO 7-1/R 3/4 male threaded extension pipe.

Temperature Sensor: PT-1000 (1096.8 = 25°C)Response Time, =140 s (2754), 196 s (2756)

Wetted Materials: CPVC BodyGlassFPM - Viton® O-ringsPorous UHMW Polyethylene reference junctions

Reference: Electrolyte: Solidified Acrylamide Gel3.5M KCI (2754, 2754-HF, 2756)0.1 M KCl (2756-DI)Element: Ag/AgCl

Primary Functions:2754: Flat surface resists fouling

2756: Bulb surface for general use2754-HF: Extended use in applications with

trace hydrofluoric acid (<2%) 2756-DI: Extended use in pure waters (< 100

µS)Efficiency: >97% @ 25°C (77° F)pH Response Time: < 5 s for 95% of signal change (for flat

and bulb style electrodes)Weight: 0.25 kg (0.55 lb)

1 August, 2001 2750/2754 Product Introduction

Key Technical Specifications2755 and 2757 ORP Electrodes

Operating Range: ORP: -2,000 to +2,000 mVOperating Temperature/Pressure:

6.89 bar @ 0°C (100 psi @ 32° to 149° F)4.00 bar @ 85°C (58 psi @150° to 185°F)

Storage Temperature: > -12° C (11° F)Pipe Size Range: 1/2 in. and up. Use +GF+ SIGNET installation fittings from 1/2 to 4 in. (use pipe adapters in pipes over 4 in.)

Submersion with 3-2750 sensor requires 3/4 in. NPT or ISO 7-1 /R 3/4 male threaded extension pipe.Efficiency: > 97% @ 25°C (77 °F)ORP Response Time: Application dependentMaterials: CPVC Body

GlassFPM-Viton® O-ringsPorous UHMW Polyethylene reference junctionsPlatinum sensing surface

Reference: Solidified Acrlyamide Gel: 3.5M KCL saturated with AgClElement: Ag/AgCl

Primary Functions: 2755: Flat surface resists fouling2757: Bulb surface for general use

Weight: 0.25 kg (0.55 lb)

1 August, 2001 2750/2754 Product Introduction

Table of Contents

Description of Product(s)

Theory of Operation

Features, Advantages and Benefits

Key Technical Specifications

Target Applications

Wiring/Installation

Competitive Matrix

Ordering Information

1 August, 2001 2750/2754 Product Introduction

Target Applications

Application: Use: Waste Treatment Systems Final Effluent Input to Recorder

Input to Proportional Controller

Plating Systems Input to Proportional Controller

Aquatic Environmental Monitoring Process Input to Recorder

Cooling Towers Input to Proportional Controller

Pool/Spas/Fountains Input to Proportional Controller

1 August, 2001 2750/2754 Product Introduction

Table of Contents

Description of Product(s)

Theory of Operation

Features, Advantages and Benefits

Key Technical Specifications

Target Applications

Wiring/Installation

Competitive Matrix

Ordering Information

1 August, 2001 2750/2754 Product Introduction

Wiring and Installation2750 (4-20 mA)

SW2

Run

Cal

SW1

D1BLK

RED

WHT

SHLD

+

S

-

Loadup to 600 ohmsincluding wiring

PowerSupply

12 to 24 VDC

+ - +-

Process Signal Wire Color4-20 mA "+" BLK

RED4-20 mA "-" WHT

SHLD

1 August, 2001 2750/2754 Product Introduction

Wiring and Installation2750 (S3L)

Process Signal Wire ColorS3L Power BLKS3L Data REDS3L GND WHT

SHLD

SW2

Run

Cal

SW1

D1BLK

RED

WHT

SHLD

+

S

-

S3LpH/ORPDevice

+ -

RS-232Device

* Products under development: S3L™ pH/ORP devices and S

3L to RS-232 adapter card / command set

*

1 August, 2001 2750/2754 Product Introduction

Table of Contents

Description of Product(s)

Theory of Operation

Features, Advantages and Benefits

Key Technical Specifications

Target Applications

Wiring/Installation

Competitive Matrix

Ordering Information

1 August, 2001 2750/2754 Product Introduction

Competitive Matrix

Information presented herein is deemed accurate as of July 5, 2001. +GF+ SIGNET is not responsible for changes in accuracy thereafter.

1 August, 2001 2750/2754 Product Introduction

Table of Contents

Description of Product(s)

Theory of Operation

Features, Advantages and Benefits

Key Technical Specifications

Target Applications

Wiring/Installation

Competitive Matrix

Ordering Information

1 August, 2001 2750/2754 Product Introduction

Ordering Information

pH/ORP SensorsPart Number Code No. Description3-2750-1 159 000 744 In-Line pH/ORP Sensor3-2750-2 159 000 745 In-Line pH/ORP Sensor w/Cal3-2750-3 159 000 746 Submersible pH/ORP Sensor(NPT)3-2750-4 159 000 842 Submersible pH/ORP Sensor (ISO)pH Electrodes3-2754 159 000 747 Flat pH Electrode3-2754-HF 159 000 748 Flat pH Electrode, HF-RES3-2756 159 000 750 Bulb pH Electrode3-2756-DI 159 000 751 Bulb pH Electrode, DI-RESORP Electrodes3-2755 159 000 749 Flat ORP Electrode3-2757 159 000 752 EXT TIP ORP ElectrodeJ-Box Accessories3-8050-1 159 000 753 UNI-MOUNT J-BOX3-8050-2 159 000 754 UNI-MT J-BOX, pH/ORP Cal3-8052-1 159 000 755 NPT MOUNT J-BOX3-8052-2 159 000 756 NPT-MT J-BOX, pH/ORP Cal3-9000.392-1 159 000 839 Liquid tight connector kit, NPT (1 connector)3-9000.392-2 159 000 841 Liquid tight connector kit, PG13.5 (1 connector)

1 August, 2001 2750/2754 Product Introduction

+GF+ SIGNET “Product”

Control

Measurement

Conveyance