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It monitors the gas concentration, continuously at a specific precalibrated range. The range is 0-2000 ppm, 0-10000 ppm, 0-3 Vol.-%, 0-20 Vol.-% or 0-100 Vol.-%.
The signals of the Geopal GP-CO2 detector are converted to a linear output signal of 4-20 mA or 0-5 V/0-10 V. The detector is equipped with alarm relays for low alarm, high alarm and system fault.