SCD SeriesThe SCD range of CO2 transmitters with temperature sensing combines the option of adding a humidity transmitter into a single unit. Temperature sensing for all current platforms is available dependent on the model selected thus offering lower cost installation.Outputs are user selectable, 0 to 10 Vdc, 0 to 5 Vdc or 4 to 20mA. The sensor is auto-calibrating using the Auto Baseline Calibration (ABC) feature and will sense CO2 concentrations in the range 0 to 2000 ppm with an accuracy of plus or minus 2% of measured value.The transmitter also include a relay that will switch at 800/1000 or 1200 ppm dependent on internal switch settings.Replacement humidity tips are available including a 2% NIST traceable tip. If calibration is required, order the standard product and the replacement 2% tip.
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