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 330101-02-60-05-01-05 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.
Use the 0.2 in unthreaded length when checking how much of the probe case can engage the mounting bracket.