Rilevatore di Gas Infiammabile EX Rilevatore di Gas con Allarme Suono e Luce 0-100%LEL
Full Scale ±3%LEL. Combustible gas, toxic gas. integrated point-type gas detector. （Infrared or catalytic ）. Sensor fault self test, two levels of alarm, with the relay output function. Catalytic/electrochemical/semiconductor/infrared.