The GMI PS241 Series Gas Detector is a reliable tool for detecting various gases such as LEL, CO, H2S, and O2. With its brand reputation of GMI, this gas detector ensures accurate and efficient detection of these harmful gases in industrial and commercial settings. Whether used for safety inspections or routine maintenance, this gas detector provides peace of mind and protection against potential gas leaks. untested due I don't have the charger missing the some screws
eBay