Armored Extension Cable for Enhanced Machinery Monitoring Reliability
The Bently Nevada 21747-085-01 Proximitor Probe Extension Cable is a high-performance extension cable designed for use with Bently Nevada proximity transducer systems. Developed to provide stable signal transmission between proximity probes and Proximitor electronics, this cable assembly supports accurate vibration, position, and displacement measurements on critical rotating machinery.
Featuring an 8.5-meter cable length and an armored construction, the 21747-085-01 provides additional mechanical protection in demanding industrial installations where cables may be exposed to vibration, abrasion, or harsh environmental conditions. It is commonly applied with the Bently Nevada 7200 Series 5 mm and 8 mm Proximity Transducer Systems, helping maintain reliable measurement performance in power generation, oil & gas, and process industries.
Technical Specifications
| Parameter | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21747-085-01 |
| Product Type | Proximitor Probe Extension Cable |
| Cable Length | 8.5 m (335 in) |
| Armor Option | Armored Cable Construction |
| Compatible System | Bently Nevada 7200 Proximity Transducer System |
| Signal Type | Proximity Probe Signal Transmission |
| Cable Design | Shielded Extension Cable |
| Measurement Technology | Eddy Current Non-Contact Sensing |
| Application | Vibration and Shaft Position Monitoring |
| Operating Environment | Industrial Rotating Machinery Applications |
| Dimensions | Approx. 8500 × 10 × 10 mm |
| Weight | Approx. 2.0 kg |
Application Areas
The 21747-085-01 extension cable is designed for machinery monitoring applications where dependable signal transmission and additional cable protection are required.
- Steam Turbine Protection Systems
- Gas Turbine Monitoring
- Centrifugal Compressor Applications
- Industrial Pump Monitoring
- Generator Condition Monitoring
- Motor Shaft Position Measurement
- Refinery Equipment
- Petrochemical Processing Systems
- Power Plant Machinery
- Heavy Industrial Rotating Assets
Technical FAQs
1. What is the purpose of the Bently Nevada 21747-085-01?
The cable extends the connection distance between the proximity probe and Proximitor electronics, allowing flexible installation while maintaining reliable measurement signals.
2. What system is the 21747-085-01 designed for?
It is designed for use with Bently Nevada 7200 Series Proximity Transducer Systems, including 5 mm and 8 mm proximity measurement applications.
3. What does the “085” designation represent?
The “085” designation indicates the cable length option of approximately 8.5 meters (335 inches).
4. What is the difference between 21747-085-00 and 21747-085-01?
The 21747-085-01 version includes an armored cable construction, providing additional protection compared with the standard cable version.
5. Why is an armored extension cable beneficial?
Armoring helps protect the cable from mechanical stress, abrasion, and challenging installation conditions commonly found around industrial machinery.
6. What type of signals does this cable transmit?
It transmits proximity measurement signals between the probe and monitoring electronics for shaft vibration and position analysis.
7. Which industries commonly use this cable?
It is widely used in power generation, oil and gas, petrochemical, marine, and heavy manufacturing industries where rotating equipment reliability is critical.
8. Can this cable be used in vibration monitoring systems?
Yes. It is specifically designed for proximity-based vibration and displacement monitoring applications.
9. What are the dimensions and weight?
The cable assembly measures approximately 8500 × 10 × 10 mm and weighs approximately 2.0 kg, depending on packaging configuration.
10. Why choose the 21747-085-01 extension cable?
Its armored design, extended reach, compatibility with Bently Nevada monitoring systems, and dependable signal performance make it a reliable choice for protecting critical machinery monitoring installations.
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