A transducer is a part of a measuring chain and it transforms a physical quantity into an electrical signal. The transducer is important for detecting physical quantities. Normally, such quantities as temperature, pressure, air humidity, sound pressure or light, are transformed into normalized signals (i.e. 4 ... 20 mA). The advantages of the transformation are on one hand flexibility, because many meters support normalised signal processing. On the other hand, measured quantities can be read at a long distance without any loss of information. When a transducer is used, the evaluation unit should only receive the measurement range, so electrical quantities are calculated from electrical signals. Some types of transducer also offer galvanic separation between both the input and output signal. You will find a transducer for different quantities among our range of products.
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