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How Do I Calibrate a Sensor?
Context
Calibrate a sensor if the displayed temperature or humidity values on the sensor deviate from the actual values. For example, if the return air temperature measured by other precise temperature measurement units at the return air monitoring point is 20°C but the return air temperature detected by the unit is 22°C, the sensor has an error of 2°C. In this case, you can set the return air temperature calibration value to –2°C.