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Inductive displacement transducer

  Self-inductance of the coil changes as you approach it magnetically permeable body, so the movement of the body relative to the coil can be detected by a sensitive coil self-induction transmitters that use this principle yavlyayutsya.obychno proximity (Fig. 1a). In addition, there are associated inductive displacement transducers (Fig. 1b), in which the coil core is mechanically connected to the body, the movement of which is measured. Proximity transducers described type are used as a base for the construction of inductive proximity sensors and inductive switches approximation.














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Figure 1. Inductive displacement transducer: a - non-contact, b - associated


  Magnetic displacement transducers.
   Converters of this type are based on the principle of change of the magnetic resistance between two or more magnetic coils excited by an alternating current, depending on the movement of the body. The latter fact is the output voltage of the converter. Transformative element is performed so that it can be used in different types of devices, in which the conversion of the measured physical quantity in the movement. This defines the measured value.
Датчики, преобразователи. Sensors, transducers
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