Beijing Topsky Century Holding Co., Ltd.  

Product Name: Wireless Multi-Gas Detector CD4X (CH4 O2 CO CO2) Model NO.: CD4X Customized: Customized Certification: Explosion Proof Sensitivity: High Material: Plastic Output Signal Type: Digital Type Conductivity Type: Surface Type Type: Electrochemical Gas Sensor CH4: (0.00~1.00)% CH4 O2: (0.0~5.0)% O2 Co: (0~20)