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Nitrogen Dioxide Sensors

NO2 molecule
  • 3-series conforming standard size

    AWX NO2-3 20

    Standard 3-Series

    • Nominal Range 0 – 20 ppm
    • Maximum Overload 200 ppm
    • Expected Operation Life 2 years in air
    • Output Signal -900 +/- 200 nA/ppm
    • Resolution 0.05 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) – 0.1 ppm to +0.2 ppm
    • Maximum Zero Shift (+20°C to +40 °C) 0.5 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 NO2-4 20

    Mini 4-Series

    • Nominal Range 0 – 20 ppm
    • Maximum Overload 40 ppm
    • Expected Operation Life 2 years in air
    • Output Signal -650 +/- 150 na/ppm
    • Resolution 0.1 ppm
    • Temperature Range - 40 °C to + 50 °C
    • Pressure Range Atmospheric +/-10 %
    • t90 Response Time < 20 sec
    • Relative Humidity Range 15 % to 90 % R.H. non-condensing
    • Typical Baseline Range (pure air, 20°C) -0.1 ppm to 0.2 ppm
    • Maximum Zero Shift (+20°C to +40 °C) -0.2 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 NO2-7 20

    Compact 7-Series

    • Nominal Range 0 – 20 ppm
    • Maximum Overload 200 ppm
    • Expected Operation Life 2 years in air
    • Output Signal -1300 +/- 290 nA/ppm
    • Resolution <0.05 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) – 0.1 ppm to +0.2 ppm
    • Maximum Zero Shift (+20°C to +40 °C) 0.5 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