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21747-085-00 - Proximitor Probe Extension Cable

21747-085-00 - Proximitor Probe Extension Cable 21747-085-00 - Proximitor Probe Extension Cable

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21747-085-00 - Proximitor Probe Extension Cable is available in stock which ships the same day.

21747-085-00 - Proximitor Probe Extension Cable comes in UNUSED as well as REBUILT condition.

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Part Number: 21747-085-00
Manufacturer: Bently Nevada
Country of Manufacture: United States (USA)
Product Type: Proximity Probe Extension Cable

21747-085-00 is a Proximitor Probe Extension Cable manufactured by Bently Nevada. It is an Extension Cable for the 7200 Proximity Transducer System. The 5mm and 8mm systems use the same type of proximitor. Both 5 and 9 proximitors are available. A 3 conductor, shielded cable provides the signal output and power source input between 7200 proximitors and Bently Nevada monitors. Operating on the eddy current principle, the proximity probe senses the distance between the probe tip and the observed surface. The 7200 system is currently in Phase 4 of obsolescence, and spare parts and system production are being discontinued.

Functional Description

  • The non-contacting, gap-to-voltage 7200 5 mm and 8 mm Proximity Transducer Systems assess both static and dynamic distances between the probe tip and the target being examined.
  • Any necessity for an exact, non-contacting displacement measurement falls within the general application. The most typical application, however, is for vibration and shaft position measurements on rotational and reciprocating machinery.
  • They are made to work with almost any kind of machine, including electric motors, generators, pumps, centrifuges, gas and steam turbines, compressors, and turbines. The systems are in compliance with API 670 specifications and have a linear measuring range of 80 mils (2 mm).


The following types of measurements can be made using the 7200 5 and 8 mm Systems, which have a frequency response of 0 Hz (DC) to 10 kHz:

  • Radial vibration is used to detect bad bearings and mechanical issues such as rotor imbalance and misalignment.
  • Axial thrust position for assessing the wear or potential failure of the thrust bearings.
  • An indicator of rotor stability is the shaft's average radial position, which is used to calculate attitude angle.
  • Vibration amplitude and phase angle for Polar and Bode formats of plotting diagnostic data.
  • Use of eccentricity to gauge rotor bow


  • 0.23 Kg

WORLD OF CONTROLS can also supply UNUSED and REBUILT components backed up with a warranty. Our team of experts is available round the clock to support your urgent needs related to critical spares, contact us.




What is Bently Nevada 21747-085-00?
The 21747-085-00 is a Proximitor Probe Extension Cable manufactured by Bently Nevada.

What is the function of the Bently Nevada proximity sensor?
Proximity transducers measure the distance between the probe tip and the surface to be studied using the Eddy Current concept.

What is the purpose of a proximity sensor?
A proximity sensor is a device that can detect or feel the presence or approach of nearby objects without requiring physical touch to do so.