Extended-Length Proximity Measurement for Demanding Machinery Applications
The Bently Nevada 330103-00-13-50-12-RU 3300 XL 8 mm Proximity Probe is a high-performance non-contact eddy-current sensor designed for accurate measurement of shaft vibration, axial position, and radial displacement in critical rotating equipment. As part of the proven 3300 XL 8 mm Proximity Transducer System, this probe provides excellent measurement stability, repeatability, and long-term reliability for machinery protection and predictive maintenance applications.
Featuring an M10 × 1 metric thread, 130 mm overall case length, 5.0 m total system length option, and FluidLoc cable with connector protector, the 330103-00-13-50-12-RU configuration is designed for installations requiring extended probe reach and enhanced cable protection. The 3300 XL 8 mm platform is widely recognized for vibration and position monitoring on fluid-film bearing machines, including turbine, compressor, and pump applications.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Product Model | 330103-00-13-50-12-RU |
| Product Series | 3300 XL 8 mm |
| Product Type | Proximity Probe |
| Measurement Technology | Eddy Current Non-Contact Sensing |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 Metric |
| Probe Construction | Without Armor |
| Unthreaded Length | 0 mm |
| Overall Case Length | 130 mm |
| Total Length Option | 5.0 m (16.4 ft) |
| Cable Type | FluidLoc Cable |
| Connector Type | Miniature Coaxial ClickLoc Connector with Connector Protector |
| Approval Option | RU Configuration |
| Probe Tip Material | PPS (Polyphenylene Sulfide) |
| Probe Case Material | Stainless Steel |
| Compatible System | 3300 XL 8 mm Proximitor Sensor System |
| Measurement Range | Approximately 2 mm linear range |
| Primary Measurements | Shaft Vibration, Radial Displacement, Axial Position, Speed Reference |
| Dimensions | 8 mm probe tip diameter × 130 mm case length; 5.0 m total cable length |
| Weight | Approximately 0.32 kg (probe only); complete system approximately 0.7 kg |
Industrial Applications
The 330103-00-13-50-12-RU is engineered for machinery where precise shaft monitoring and reliable signal transmission are essential.
Typical applications include:
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Steam turbines
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Gas turbines
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Centrifugal compressors
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High-speed rotating machinery
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Industrial pumps
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Electric motors
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Turbo expanders
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Gearboxes
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Refinery process equipment
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Petrochemical machinery
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Power generation systems
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Offshore oil and gas equipment
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Heavy manufacturing machinery
Product Advantages
The 330103-00-13-50-12-RU combines proven 3300 XL sensing technology with extended installation flexibility for demanding industrial environments.
Key advantages include:
- Accurate non-contact shaft vibration and position measurement
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8 mm probe design provides excellent measurement performance
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Extended 130 mm case length supports deeper mounting requirements
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M10 × 1 metric thread simplifies installation on international equipment designs
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FluidLoc cable design helps prevent oil and fluid migration through the cable
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ClickLoc connector technology improves connection reliability
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Connector protector enhances mechanical protection during installation
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Strong resistance to EMI/RFI interference
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Compatible with existing 3300 XL 8 mm monitoring systems
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Supports predictive maintenance strategies and helps reduce unexpected equipment downtime
Technical FAQs
1. What is the main function of the Bently Nevada 330103-00-13-50-12-RU?
It measures shaft vibration and displacement without physical contact, providing accurate signals for machinery protection and condition monitoring systems.
2. What sensing technology does this proximity probe use?
The probe uses eddy-current sensing technology, which detects the distance between the probe tip and a conductive rotating shaft surface.
3. What does the 330103 model number represent?
The 330103 designation identifies a 3300 XL 8 mm proximity probe with M10 × 1 metric threading and without armor.
4. What is the probe case length?
This model features a 130 mm overall case length, providing additional installation flexibility compared with shorter probe versions.
5. What cable configuration does this model use?
The -12 option indicates a Miniature coaxial ClickLoc connector with connector protector and FluidLoc cable.
6. What does the 50 suffix indicate?
The -50 option represents a 5.0 m total length configuration, suitable for complete 5-meter 3300 XL systems.
7. Which components are required for operation?
The probe is normally installed as part of a complete 3300 XL 8 mm proximity transducer system, including a compatible extension cable and Proximitor Sensor.
8. Is this probe suitable for harsh industrial environments?
Yes. Its stainless-steel construction, FluidLoc cable option, and rugged connector design make it suitable for demanding industrial machinery applications.
9. What equipment can this probe monitor?
It is commonly used for turbines, compressors, pumps, motors, and other rotating machines requiring continuous shaft condition monitoring.
10. Why choose the 330103-00-13-50-12-RU?
This model combines extended mounting capability, reliable eddy-current measurement, enhanced cable protection, and proven 3300 XL performance, making it a dependable solution for critical machinery protection.
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