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Complete measuring system for discontinuous, selective measurement and indication of up to four different gas components CH4, H2S, O2 and CO2. CH4 and CO2 are detected by means of infrared technology, O2 and H2S by means of electrochemical sensors. All components are integrated in a robust housing for wall mounting. The system feature a 4-digit LED display and status indicators for each measurement channel as well as a 4-line, back lit LCD display. The memory has a history function, all values can be displayed. Output 4-20 mA, fully adjustable alarm level switches and binary outputs for: Active, Error, Calibration, Alarm.
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