Eddy Probe output measurements

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When you are measuring a static gap with an Eddy Probe, the output is measured in DC volts.
The Eddy Probes are rated at 787mVdc/100 micrometers or 200mVdc/mil. These values vary slightly from probe to probe and are noted on the individual certificates. A 50 mil gap would equal 10 Vdc.

If you are measuring vibration, the signal is a mVac output.

If there were a 50 mil gap at 10-1000 Hz with an