One channel gas controller Surveyor 4B

Detects O2, CO2, toxic and refrigerant gases4-20 mA output analog transmitter with optionally backlit displayPlug-in and pre-calibrated sensorsAvailable with electrochemical, infrared or semi-conductor sensorsMore than 30 different sensors are available to detect most toxic gases in the industryAvailable in an infrared version for CO2EN14624 compliant with regards to R134a monitoring

Intuitive Non-intrusive Operator InterfaceModular Plug & Play Sensors & TransmittersSimple Menu-driven Calibration & ProgrammingIntegral Sensor Fault Diagnostics Two Models to Choose FromModel 500: 4-20mAModel 600: 4-20mA, Modbus RTU, Alarm Relays

4-20 mA output analog transmitter without displayAvailable with catalytic bead, electrochemical or semi-conductor sensorsDetects combustible, toxic and refrigerant gases (CO, NO, NO2, Methane, Propane, Butane, Hydrogen, LPG, NGV and freons) - EN 14624 compliant with regards to R134a monitoringFor commercial use (boiler rooms, hospitals)