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Hydrogen Sulfide Sensors

H2S molecule
  • 3-series conforming standard size

    AWX H2S-3 200

    Standard 3-Series

    • Nominal Range 0 – 200 ppm
    • Maximum Overload 500 ppm
    • Expected Operation Life 2 years in air
    • Output Signal 350 +/- 70 nA/ppm
    • Resolution 1.0 ppm
    • Temperature Range - 40 °C to + 50 °C
    • Pressure Range Atmospheric +/-10 %
    • t90 Response Time < 50 sec
    • Relative Humidity Range 15 % to 90 % R.H. non-condensing
    • Typical Baseline Range (pure air, 20°C) – 1.0 ppm to +3.0 ppm
    • Maximum Zero Shift (+20°C to +40 °C) 2.0 ppm equivalent
    • Expected Long Term Output Drift < 2 % signal loss/month
    • Recommended Load Resistor 10 Ohm
    • Bias Voltage Not required
    • Repeatability < 2 % of signal
    • Output Linearity Linear


  • 4-series conforming standard size

    AWX H2S-4 100

    Mini 4-Series

    • Nominal Range 0 – 100 ppm
    • Maximum Overload 300 ppm
    • Expected Operation Life 2 years in air
    • Output Signal 700 +/- 140 na/ppm
    • Resolution 0.1 ppm
    • Temperature Range - 40 °C to + 50 °C
    • Pressure Range Atmospheric +/-10 %
    • t90 Response Time < 25 sec
    • Relative Humidity Range 15 % to 90 % R.H. non-condensing
    • Typical Baseline Range (pure air, 20°C) -0.1 ppm to 0.1 ppm
    • Maximum Zero Shift (+20°C to +40 °C) 0.1 ppm
    • Expected Long Term Output Drift < 2 % signal loss/ month
    • Recommended Load Resistor 10 Ohm
    • Bias Voltage Not required
    • Repeatability < 2 % of signal
    • Output Linearity Linear


  • 7-series conforming standard size

    AWX H2S-7 200

    Compact 7-Series

    • Nominal Range 0 – 200 ppm
    • Maximum Overload 500 ppm
    • Expected Operation Life 2 years in air
    • Output Signal 350 +/- 70 nA/ppm
    • Resolution 1.0 ppm
    • Temperature Range - 40 °C to + 50 °C
    • Pressure Range Atmospheric +/-10 %
    • t90 Response Time < 50 sec
    • Relative Humidity Range 15 % to 90 % R.H. non-condensing
    • Typical Baseline Range (pure air, 20°C) – 1.0 ppm to +1.0 ppm
    • Maximum Zero Shift (+20°C to +40 °C) 2.0 ppm equivalent
    • Expected Long Term Output Drift < 2 % signal loss/month
    • Recommended Load Resistor 10 Ohm
    • Bias Voltage Not required
    • Repeatability < 2 % of signal
    • Output Linearity Linear