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Analytical Industries Inc (AII) GPR Industrial Series

Gas Detectors and Industrial Measurement Instruments

Analytical Industries Inc (AII) GPR Industrial Series product image

GPR-7100 and GPR-7500 Hydrogen Sulphide (H2S) Gas Analysers, ppm

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Product Specifications
  • Low Power Consumption Electrochemical Sensor Technology

  • Precise Measurement

  • ATEX Certified (Suitable for Potentially Explosive Atmospheres)

  • Sample Dilution with Self-Aspirating Feature

  • Optional Liquid Drain System

  • Sensor Life Approximately 24 Months

  • Easy Operation and Calibration

  • High-Quality Stainless Steel Internal Components

  • Sensor Technology
    AII hydrogen sulphide sensors are manufactured to be compact and highly sensitive. Additionally, their power consumption is very low compared to equivalents. The low power consumption provides a perfect match for the GPR-7100 portable hydrogen sulphide analyser, allowing the instrument to operate longer on a single charge. As with almost all toxic gas sensors, AII hydrogen sulphide sensors require a small amount of oxygen to operate.

  • Product Documents

    Technical Specifications

    GPR-7100

    Technical Specifications

    Detected Gas Range 0-20, 0-50, 0-100 ppm
    Connection Outputs 0-1V
    Power Supply Rechargeable battery, Operating time ~8h
    Dimensions and Weight 910 x 149 x 40 mm - 3.6kg
    Safety Classification ATEX: II 2 G
    Ex ib IIB T4 Gb
    Tamb +5°C to +45°C
    Measurement Accuracy < ±2%
    Response Time T90: < 60s
    Sensitivity 0.1ppm
    Sensor Life ~2 years (at 25°C temperature and 1atm pressure)
    Display Backlit LCD Display
    Display Resolution 0.1ppm
    Operating Temperature -10°C to +45°C temperature
    GPR-7500 AIS
    Detected Gas Range 0-20, 0-50, 0-100 ppm (Standard Ranges)
    0-500, 0-1000, 0-2000 ppm (Optional Ranges)
    Connection Outputs 4-20mA and 1-5V DC
    Power Supply 110-220 V AC
    Dimensions and Weight 69 x 104 x 34 mm - 10kg
    Alarm Adjustable 2-stage alarm
    Safety Classification ATEX: II 2 G
    Ex ib IIB T4 Gb
    Tamb +5°C to +45°C
    UL: United States: UL 1203, UL 913, UL 508
    Measurement Accuracy < ±2%
    Response Time T90: < 60s
    Sensitivity 0.1ppm
    Sensor Life ~2 years (at 25°C temperature and 1atm pressure)
    Display Backlit LCD Display
    Display Resolution 0.1ppm
    Operating Temperature -10°C to +45°C temperature
    Measurement and Standards Approach
    In process gas analysis, as much as the measuring range, sample gas pressure, flow rate, background gas, moisture/condensation risk, sensor material, and calibration gas are also critical selection parameters. In hazardous area applications, certifications such as ATEX/IECEx must be verified according to the model variant; analogue/digital output and alarm requirements for process control must be evaluated separately.

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