eddy current probe

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eddy current probe eddy current probe
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Characteristics

  • Measured value:

    eddy current

Description

Proximity sensors work on the eddy current principle. A proximity system consists of an eddy current probe, extension cable and driver. A high-frequency RF signal is generated by the driver, sent through the extension and probe cables and radiated from the probe tip. The tip consists of a precision wound copper coil inside a chemical and temperature resistant PEEK case. The tip is either mounted on a threaded stainless steel rod allowing easy gap adjustment on a bracket via two locking nuts or a flat, low profile mount. The driver demodulates the signal, amplifies and linearises it to provide an output proportional to the probe to target gap and/or vibration of the target.