Nominal Range: 0-500ppm Maximum Overload: 1000ppm Expected Operating Life: Two years Output Signal: 0.2 ± 0.04 ?A/ppm Resolution: 100ppb Temperature Range: -20°C to +50°C Pressure Range: Atmospheric ± 10% Pressure Coefficient: No data T90 Response Time: <40 seconds Relative Humidity Range: 15 to 90% non-condensing Typical Baseline Range (pure air): 0 to 1ppm equivalent Maximum Zero Shift (+20°C to +40°C): 2ppm equivalent Long Term Output Drift: <10% signal loss/year in air Recommended Load Resistor: 10? (see over) Bias Voltage: Not required Repeatability: 1% of signal Output Linearity: Linear