OC-904 Portable Chlorine CL2 gas leakage monitor

OC-F08 Fixed type Ammonia NH3 gas detector

OC-905 portable Chlorine CL2 gas alarm device

OC-905 Personal Oxygen O2 gas detection

OC-905 Handheld Ammonia NH3 gas detector

OC-905 Handheld Carbon Dioxide CO2 gas monitor

OC-904 Portable Ammonia NH3 gas leak detector

OC-9200 Dust monitoring system

OC-9200 Dust and Particle monitor system

OC-F08 online dust detector

OC-F08 Fixed Ammonia NH3 gas detector used for poultry farm and refrigeration industry

OC-F08 Fixed Methyl mercaptan CH4S gas detector used for industrial scene