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Ammonia Sensors

NH3 molecule
  • 3-series conforming standard size

    AWX NH3-3 200

    Standard 3-Series

    • Nominal Range 0 – 100 ppm
    • Maximum Overload 200 ppm
    • Expected Operation Life 2 years in air
    • Output Signal 100 +/- 20 nA/ppm
    • Resolution 1.0 ppm
    • Temperature Range - 10 °C to + 40 °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) – +/- 7 ppm
    • Maximum Zero Shift (+20°C to +40 °C) -7.0 ppm
    • Expected Long Term Output Drift < 1 % 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 NH3-4 100

    Mini 4-Series

    • Nominal Range 0 – 100 ppm
    • Maximum Overload 200 ppm
    • Expected Operation Life 2 years in air
    • Output Signal 100 +/- 20 nA/ppm
    • Resolution 1 ppm
    • Temperature Range - 10 °C to + 50 °C
    • Pressure Range Atmospheric +/-10 %
    • t90 Response Time < 30 sec
    • Relative Humidity Range 15 % to 90 % R.H. non-condensing
    • Typical Baseline Range (pure air, 20°C) 0 ppm to +/-4 ppm
    • Maximum Zero Shift (+20°C to +40 °C) -8 ppm
    • Expected Long Term Output Drift < 5 % signal loss/6 month
    • Recommended Load Resistor 10 Ohm
    • Bias Voltage Not required
    • Repeatability < 3 % of signal
    • Output Linearity Linear


  • 7-series conforming standard size

    AWX NH3-7 200

    Compact 7-Series

    • Nominal Range 0 – 100 ppm
    • Maximum Overload 200 ppm
    • Expected Operation Life 2 years in air
    • Output Signal 100 +/- 20 nA/ppm
    • Resolution 1.0 ppm
    • Temperature Range - 10 °C to + 40 °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) – +/- 7 ppm
    • Maximum Zero Shift (+20°C to +40 °C) -7.0 ppm
    • Expected Long Term Output Drift < 1 % signal loss/month
    • Recommended Load Resistor 10 Ohm
    • Bias Voltage Not required
    • Repeatability < 2 % of signal
    • Output Linearity Linear