 - portable multi-gas detector CD4A- Sensor: Sensor de combustión catalítica (gas combustible);Sensores electroquímicos (CO,O2); NDIR infrarrojo (CO2) | Medición de gas: gas combustible (CH4), monóxido de carbono (CO),oxígeno (O2), dióxido de carbon... Pekín, China
 - Portable CH4,O2,CO,H2S multi-gas detector CD4- Sensor: Catalytic combustion sensor (combustible gas);Electrochemical sensors (CO,O2,H2S) | Measurement of gas: combustible gas (CH4), carbon monoxide (CO),oxygen (O2), hydrogen sulfide (H2S) | Range: CH4: 0~4.00... Pekín, China
 - Portable CH4,O2,CO,H2S multi-gas detector CD4- Sensor: Catalytic combustion sensor (combustible gas);Electrochemical sensors (CO,O2,H2S) | Measurement of gas: combustible gas (CH4), carbon monoxide (CO),oxygen (O2), hydrogen sulfide (H2S) | Range: CH4: 0~4.00... Pekín, China

