Designed with durability and comfort in mind, the Gas Alert Extreme reliably monitors for any single gas hazard  within its wide range of available toxic gas models consisting of  H2S, CO, O2, SO2, NH3, PH3, CI2, ClO2, NO, NO2, HCN, ETO and O3. Some of the key features of Gas Alert Extreme include the followings:

• Replaceable battery and sensor
• Compact and lightweight design
• Secure and accurate history with datalogging option
• Equipped with internal vibrating alarm for high noise areas
• Tamper-proof settings with passcode protection
• Simple automatic calibration procedure; compatible with BW MicroDock II automatic test and calibration station