CRH series infrared carbon dioxide transmitter is used in online monitoring and to display the carbon dioxide concentration in the air, and to transmit the signal to the control center. It has high precision, long service life, good stability, and hig

RHB series infrared carbon dioxide alarm detector is used in concentration detection of carbon dioxide and concentration excess alarm. It adopts international advanced NDIR non-dispersed gas analysis technique, CO2 measurement can not be interfered b

CJH series infrared methane transmitter adopts international advanced NDIR non-dispersed infrared technique, it is mainly used in coal mine, natural gas, CBM (Coal bed methane), rubbish filling, sewage treatment, anaerobic fermentation and other field

JHB series infrared methane alarm detector is in compliance with mining products certification, it is mainly applied in coal mine, natural gas, CBM (Coal bed methane), rubbish filling, sewage treatment, anaerobic fermentation and other fields for CH4

CTD/CLD series toxic gas detector adopts long life electrochemical sensor technique, it is mainly applied in steel, chemical and other fields for the detection and alarm of toxic gas.

TDB/LDB series toxic gas alarm detector adopts long life electrochemical sensor technique, it is mainly applied in steel, chemical and other fields for the detection and alarm of toxic gas leakage.