The Crouse-Hinds series MTL K522 is a versatile katharometer programmed for hydrogen, helium, argon and other gases. Hydrogen and helium are particularly suited to this method and provide a proven, cost-effective technique. All gases are supplied as 0-100% range and the output can be programmed according to the application. Optional gassing cap, EEx junction box and flameproof sensor heads are available. The PCB is supplied in a DIN rail mounting box for easy incorporation into customer’s housings.