A split system heat pump's defrost sensor is used to detect ice buildup on the heat pump's outdoor coil. The exact way in which a defrost sensor works can vary.

To test the coolant temperature sensor; in a diesel engine generator, the following equipment is needed: Multimeter - A multimeter is a hand-held device used to measure electrical resistance, voltage, ...

At present, how to measure the instantaneous temperature above 1000 °C environment change is still a problem restricting aerospace development. For example, the temperature measurement of the gun tube ...