Hydrogen Sulphide (H2S)
Typical Sources: storm water pumping stations, sewage treatment plants
Target Concentration: Toxic levels, 10 ppm
Density: heavier than air; mount the sensor near the floor and accessible for calibration. Kits are available for duct mounting.
note: Application requirements and local regulations may dictate sensor location and alarm setpoints. Alarm levels are based on ACGIH 2011 TLV guidelines.