Nominal Range: 0-20 ppm Maximum Overload: 150 ppm Expected Operating Life: Two years in air Output Signal: 0.6 ± 0.15 ?A/ppm Resolution: 0.1 ppm Temperature Range: -20°C to +50°C Pressure Range: Atmospheric ± 10% T90 Response Time: <25 seconds Relative Humidity Range: 15 to 90% non-condensing Typical Baseline Range (pure air): -0.2 to +0.2 ppm equivalent Maximum Zero Shift (+20°C to +40°C): 0.2 ppm equivalent Long Term Output Drift: <2% signal loss/month Recommended Load Resistor: 33 W Bias Voltage: Not required Repeatability: <2% of signal Output Linearity: Linear