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Sensor-specific Operating Temperature Ranges

Some gas sensors support wider or narrower temperature ranges than the general recommended operating range. Use this table to confirm the supported range for each gas type before use in extreme environments.

Recommended Operating Range
Gas Gas Code Celsius Fahrenheit
Ammonia NH3-20°C to +40°C-4°F to 104°F
Carbon Dioxide CO2-20°C to +50°C-4°F to 122°F
Carbon Monoxide CO-20°C to +40°C-4°F to 104°F
Chlorine Cl2-20°C to +40°C-4°F to 104°F
Chlorine Dioxide ClO2 ClO2-20°C to +40°C-4°F to 104°F
Dual Hydrogen Sulfide and Carbon Monoxide (COSH) COSH-20°C to +50°C-4°F to 122°F
High-range Ammonia HR NH3-20°C to +40°C-4°F to 104°F
High-range Carbon Monoxide HR CO-40°C to +55°C-40°F to 131°F
High-range Hydrogen Sulfide HR H2S-20°C to +40°C-4°F to 104°F
Hydrogen (available for use outside of North America) H2-20°C to +40°C-4°F to 104°F
Hydrogen Cyanide HCN-40°C to +40°C-40°F to 104°F
Hydrogen Fluoride HF-20°C to +40°C-4°F to 104°F
Hydrogen Resistant Carbon Monoxide CO-H-20°C to +50°C-4°F to 122°F
Hydrogen Sulfide H2S-20°C to +40°C-4°F to 104°F
LEL - Infrared LEL-IR-20°C to +50°C-4°F to 122°F
LEL - MPS LEL-MPS-40°C to +75°C-40°F to 167°F
Nitrogen Dioxide NO2-20°C to +50°C-4°F to 122°F
Oxygen O2-20°C to +60°C-4°F to 140°F
Ozone O3-20°C to +40°C-4°F to 104°F
PID PID-40°C to +65°C-40°F to 149°F
Sulfur Dioxide SO2-20°C to +50°C-4°F to 122°F