Introduction
The Bently Nevada 330130-085-03-RU is an 8.5-meter 3300 XL Standard Extension Cable configured with an armored cable and connector protectors. Designed for compatible 3300 XL proximity transducer systems, it provides the extended signal path required between the proximity probe and Proximitor Sensor while adding enhanced mechanical protection for demanding industrial installations.
The 03 configuration combines armored cable construction with connector protection, making this version particularly suitable for cable routes where physical durability is a priority. The RU suffix identifies the country-specific approval configuration, making this model relevant to installations requiring the applicable Russian-market certification arrangement.
With an 8.5-meter reach and reinforced construction, the 330130-085-03-RU is a practical component for turbine, compressor, generator, pump, and other rotating machinery monitoring systems where dependable signal transmission and durable field installation are essential.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model | 330130-085-03-RU |
| Product Family | 3300 XL |
| Product Type | Standard Extension Cable |
| System | 3300 XL Proximity Transducer System |
| Cable Length | 8.5 m (27.9 ft) |
| Cable Length Option | 085 |
| Cable / Connector Option | 03 – Armored cable with connector protectors |
| Approval Option | RU – Country-specific approval configuration |
| Cable Construction | Armored 75Ω triaxial cable |
| Insulation | Industrial cable insulation |
| Connector Protection | Included |
| Approx. Weight | 0.29 kg |
| Listed Shipping Weight | Approx. 1.5 kg |
| Listed Product Dimensions | Flexible cable assembly; no fixed rectangular cable-body dimensions |
| Typical Application | Proximity, vibration, shaft-position, and machinery monitoring |
| Product Origin | USA |
Applications
Turbine Monitoring
The 330130-085-03-RU can be used within compatible 3300 XL proximity measurement arrangements for steam and gas turbines. Its extended cable length allows monitoring equipment to be positioned at a practical distance from the turbine measurement points.
Compressor Protection
Large compressors often require proximity probes to be installed close to the shaft while the associated Proximitor Sensors are located in a separate instrumentation area. The 8.5-meter extension provides useful routing flexibility for these installations.
Generator and Motor Monitoring
The cable can form part of proximity-based vibration and shaft-position measurement systems used on generators, motors, and other critical rotating assets.
Pumps and Auxiliary Machinery
Industrial pumps and auxiliary rotating equipment can also benefit from proximity measurement systems where shaft movement and machine condition need to be monitored continuously.
Harsh Industrial Cable Routes
The armored 03 configuration is especially appropriate where the cable may encounter abrasion, accidental impact, pulling forces, vibration, or other mechanical stresses. Connector protectors provide additional protection at the termination areas.
Russia-Specific Replacement Projects
For existing machinery monitoring systems requiring the RU approval configuration, the 330130-085-03-RU provides a targeted replacement option while retaining the established 3300 XL system architecture.
Advantages
8.5-Meter Installation Flexibility
The 8.5-meter length offers substantial routing freedom around large rotating machinery. It can help installers connect remotely positioned monitoring equipment without resorting to unnecessary cable extensions or layout changes.
Armored Cable Construction
The defining feature of the 03 option is its armored construction. Compared with standard cable configurations, the additional protection helps improve resistance to physical damage during installation and operation.
Connector Protection Included
The cable does not rely solely on armor for protection. Connector protectors provide additional coverage around the connection points, which are often vulnerable during equipment servicing and cable handling.
Designed for Proximity Measurement
The 330130 series is intended for use as part of the 3300 XL proximity transducer system rather than as a generic instrumentation cable. Correctly matched system components help maintain the intended measurement performance.
Suitable for Demanding Machinery Areas
The reinforced configuration makes this cable attractive for installations around turbines, compressors, pumps, generators, and other machinery where cable protection is an important part of maintenance planning.
Country-Specific RU Configuration
The RU suffix differentiates this model from standard approval configurations. It allows engineers to identify the version intended for the relevant country-specific certification requirements without confusing it with the -00, -05, or -CN variants.
Practical Spare-Part Selection
The structured part number makes it easier for maintenance teams to identify a replacement based on cable length, construction, connector protection, and approval configuration rather than relying on cable appearance alone.
Technical FAQs
1. What is the Bently Nevada 330130-085-03-RU?
The 330130-085-03-RU is a 3300 XL Standard Extension Cable with an 8.5-meter length, armored cable construction, connector protectors, and the RU country-specific approval configuration.
2. How long is the cable?
The cable length is 8.5 meters, equivalent to approximately 27.9 feet.
3. What does “085” mean?
The 085 portion identifies the 8.5-meter cable-length option in the 330130 Standard Extension Cable family.
4. What does “03” mean?
The 03 configuration identifies an armored cable with connector protectors. It provides additional mechanical protection to both the cable and its connection areas.
5. What does “RU” indicate?
The RU suffix identifies a country-specific approval configuration associated with the applicable Russian-market requirements. The exact certification should be verified against the complete product documentation and installation requirements.
6. Is this an armored extension cable?
Yes. The 03 configuration is the armored cable version with connector protectors.
7. What is the approximate weight?
Available product specifications list the cable at approximately 0.29 kg. Shipping weight can be substantially higher because it includes packaging and other shipment materials.
8. Is the 330130-085-03-RU suitable for the 3300 XL 8 mm proximity system?
It is part of the 3300 XL Standard Extension Cable family intended for compatible proximity transducer system configurations. The probe, extension cable, and Proximitor Sensor should be selected as a properly matched system.
9. How does the 330130-085-03-RU differ from 330130-085-03-00?
The physical cable configuration is the same basic 8.5-meter armored cable with connector protectors, but the final approval suffix is different. -00 indicates that agency approval is not required, while -RU identifies the country-specific approval configuration.
10. What should be checked before ordering this cable?
Confirm the complete part number, 8.5-meter length, armored/connector-protected configuration, required approval option, compatible proximity probe, and Proximitor Sensor arrangement. For regulated installations, the certification marking should also match the requirements of the actual installation location.
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