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 - Portable CH4,O2,CO,H2S multi-gas detector CD4- Applications CD4 portable Multi-gas detector is an intrinsically safe and explosion-proof instrument and is designed to deter the gases. It can simultaneously monitors up to four atmospheric hazards including car... Beijing, China
 - Portable CH4,O2,CO,H2S multi-gas detector CD4- Applications: CD4 portable Multi-gas detector is an intrinsically safe and explosion-proof instrument and is designed to deter the gases. It can simultaneously monitors up to four atmospheric hazards including ca... Beijing, China
 - portable multi-gas detector CD4A- Explosion-proof Certificate Inspection Certification Specifications 1.detect CH4,O2,CO,CO2 at the same time 2. 2-year warranty 3. Adjustable low and high alarm setpoints 4.Exibd I IP54 Applications: CD4(A) port... Beijing, China
