Technical Specifications Breakdown
Key parameters for the 21747-085-00 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Model | 21747 - Extension Cable |
| Cable Length Option | 085 8.50 metres (335 inches) |
| Armor Option | 00 - Without armor |
| Operating Temperature (Probe and Extension Cable) | -30°F to +350°F (-34°C to +177°C) |
| Relative Humidity | To 95%, noncondensing |
Practical Applications in Industrial Environments
This extension cable is essential for connecting Bently Nevada 8 mm proximity probes to their Proximitors in applications such as steam turbines, compressors, and large pumps. By achieving a system length of either five or nine metres from probe tip to Proximitor, it supports flexible sensor placement while maintaining measurement accuracy. The stainless steel armor option (not included in this variant) provides added protection in harsh environments.

Installation Guidance for Maintenance Teams
When installing the 21747-085-00, ensure the cable routing avoids sharp edges and excessive heat sources. Probes and cables of the same length are completely interchangeable with Proximitors of the same part number, simplifying spare parts management. For systems requiring enhanced physical abuse resistance, consider the armored version.
Maintenance and Reliability Considerations
Regular inspection of the extension cable for cuts, kinks, or abrasion is recommended, especially in high-vibration areas. The cable's operating temperature range of -30°F to +350°F (-34°C to +177°C) suits most industrial environments. Keep connectors clean and dry to maintain signal integrity.
Reliable Signal Extension for Critical Machinery Monitoring
For maintenance engineers overseeing rotating equipment, signal integrity is non-negotiable. The Bently Nevada 21747-085-00 Extension Cable provides a robust, precisely matched link between proximity probes and Proximitors, ensuring accurate vibration and position data. This 8.50-meter (335 inches) cable is designed for seamless integration into Bently Nevada systems, minimizing signal loss and maximizing uptime.

Compatibility and System Integration
The 21747-085-00 is designed for use with Bently Nevada proximity probes that have integral leads. Matching cable lengths ensure proper system calibration and interchangeability. Always verify probe and cable lengths match the required system length for optimal performance.
Selection Guide and Purchasing Advice
When selecting an extension cable, match the length to your installation needs. AutoDCSTech stocks this Bently Nevada 21747-085-00 as new, original factory packing with a 12-month warranty. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 21747-085-00 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
