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2.6.4 - Internal Temperature Sensor [U3 Datasheet]

The U3 has an internal temperature sensor. Although this sensor measures the temperature inside the U3, which is warmer than ambient, it has been calibrated to read actual ambient temperature, although should only be expected to be accurate to within a few degrees C. For best results the temperature of the entire U3 must stabilize relative to the ambient temperature, which can take on the order of 1 hour. Best results will be obtained in still air in an environment with slowly changing ambient temperatures.

With the UD driver, the internal temperature sensor is read by acquiring single-ended analog input channel 30, and returns degrees K. Use channel 30 anywhere you would use an analog input channel (e.g. with eAIN).

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