CD4 Handheld multi-gas detector

Chinacoal07multi-gas detector , handheld gas detector , portable multi-gas detectorCD4 Handheld multi-gas detectorProduct IntroductionAt the same time to detect and display of methane (CH4), carbon monoxide (CO),oxygen (O2), hydrogen sulfide (H2S)Features:At the same time methane, carbon monoxide, oxygen, hydrogen sulfide concentrationdetection.A high degree of intelligent technology, easy operation, stable and reliable.Alarm point can be set according to user requirements.2