Volvo Penta 21084672 Temperature Sensor

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Volvo Penta 21084672 Temperature Sensor

These are devices that measure temperature and convert it into a readable output. There are several types of temperature sensors, each with different applications and characteristics.
Two dissimilar metal wires are joined at one end (the junction). When the junction is heated or cooled, a voltage is generated due to the Seebeck effect. This voltage correlates with the temperature difference between the junction and the reference end.