ATS 109TD Online Hydrogen Gas Sensor Ttranmitter incorporates a pellistor or catalytic bead sensor. This sensor consists of a matched pair of elements, one active and the other for compensation. When in contact with a combustible hydrocarbon or solvent causes the gas or vapor to "burn " or oxidize at concentrations below the Lower Explosive Limit (LEL). This oxidization process raises the temperature of the active bead and increases the resistance of the internal wire coil. The second bead does not have the catalytic coating and provides compensation for environmental conditions including temperature and humidity. When these elements are connected to the circuit, a useable signal is produced that is proportional to the gas concentration .Applications : Environmental Monitoring Area Monitoring Pulp Paper Leak Detection Monitoring Chemical Plants Refineries/Petrochemical Hazardous Area Water/West water Treatment Fire Services Mines Feature : Detection of combustible, toxic Gases and Oxygen Non-intrusive calibration Smart sensors RED LED Dispaly Programmable relays 2-wire, 3-wire, ModBus Flame proof Junction Box Available in stainless steel Available in wireless version Flame proof Junction Box Approval CCOE CMRI.
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