www.hvac.vn miscellaneous test equipment combustion, tachometers, hygrometers the materials included...

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Miscellaneous Test Equipment

Combustion, Tachometers, Hygrometers

The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific,

written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.

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Introduction – Model 450A

Monitors ambient carbon monoxide levelsDual-line, back-lit LCD screen displays current CO and maximum CO level since last resetAudible alarm for levels above 25 PPMCompact size and includes carrying case with belt loop to use as personal CO alarm

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General Specifications

Range: CO: 0 to 999 PPM ± 20% <100 PPM; ±15% >100 PPM of reading

170 mm x 43 mm physical sizeBattery operated with 3 AAA alkaline batteries

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Introduction – Model 1205B

Monitors carbon monoxide and carbon dioxide in ducts or roomsLarge LCD screen displays CO and CO2 Stores 255 time stamped sets

Can output measurements to a serial printer

Rotary dial for parameter selection on the display

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General Specifications

Range: CO: 0 to 1000 PPM ± 5%CO2: 200 to 4000 PPM ± 5%

Probe: 200 mm insertion lengthBattery operated or line voltage power supply

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Introduction – Model 1207A

Allows for easy adjustment of boilers for optimum energy efficiency Large LCD screen displays four parameters Stores 255 time stamped sets

Can output measurements to a serial printer

Ready to use in Natural Gas, Light Oil, Propane, Butane, LPG, and Wood Pellet Applications

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General Specifications

Range: O2: 0 to 21% ± 0.2%CO: 0 to 2000 PPM ± 5%CO2: 0 to 30% ± 0.3%Flue and Net Temp: 0 to 600°C ± 0.3%Efficiency: 0 to 99.9% ± 1%Excess Air: 0 to 250% ± 0.2%

Probe: 200 mm insertion lengthBattery operated or line voltage power supply

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Applications

Measuring flue gasesCalibration of boiler systemsCombustion testsMonitoring indoor air quality

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Introduction – Model TAC-L

Portable Digital TachometerMeasures rotational speedReads up to 508 mmIncludes LCD with backlit display

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General Specifications TAC-L

Accuracy: ±0.05%Range

Non-Contact (RPM): 2.5 to 99,999 RPMContact (RPM): 0.1 to 19,999 RPM

Non Contact Measuring Distance: 50 to 500 mmSample Time: 0.8 seconds

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Introduction – Model TAC3

Ergonomic Design5 digit alphanumeric LCDEasy to switch between English and Metric unitsIncludes NIST certificationCan include remote optical sensor to take readings in hard to reach locations

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General Specifications – TAC3

Accuracy: ± 0.05%Display: Dual LCD displayMeasurement Distance: up to 7.6 m and up to 70° from perpendicularBattery Powered

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Applications

Measure Rotational speed of:Saw bladesGrindersEnginesMotorsPowder and bulk conveyor beltsHVAC fan motors

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Introduction – Model 471B-1

Handheld instrument used for measuring relative humidity and temperatureCan calculate dew point and wet bulb temperatureStores up to 99 readings with the non-volatile memory function

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General Specifications

Display: 4.5 digit LCDRange

RH: 0 to 100% (non-condensing)Temperature: -20 to 140°F

AccuracyRH: ±2% FS over 10 to 90% RH @ 25°CTemperature: ±0.54°C @ 25°C

Weight: 16 oz

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General Specifications

Probe length: 200 mmPower Requirements

9V alkaline battery, installed, non-functional, user replaceable

Agency Approvals: CE

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Introduction – Model TH2-10

Handheld instrument used for measuring relative humidity and temperatureCan calculate dew point and wet bulb temperatureStores up to 99 readings with the non-volatile memory function

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General Specifications

Display: 4.5 digit LCDRange

RH: 0 to 100% (non-condensing)Temperature: -28.9 to 60°C

AccuracyRH: ±2% FS over 10 to 90% RH @ 25°CTemperature: ±0.54°C @ 25°C

Weight: 16 oz