At the machine, the probe responds to changing clearance from a conductive target; the matched extension cable and Proximitor Sensor carry and condition that response for position, radial-vibration, speed or phase-reference channels.
Apter Power 330101-30-60-10-02-05 Manuals and Guides
The first link is the Apter Power product reference. The second link opens the manufacturer-published Bently Nevada datasheet for the applicable product family. Confirm the complete part number and installed configuration before use.