Siemens QPA2000 Room Air Quality Sensor,
The QPA Series Room Carbon Dioxide Sensors monitor,
and transmit changes in CO2 to the building control,
systems. No calibration of the CO2 sensor is necessary – these microprocessor-based units consist of a non,
with dispersive infrared CO2 sensor that experiences less than,
1% drift per year for the first two years of operation and,
a negligible drift thereafter.
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