Bently Nevada 330103-00-12-50-02-00 3300 XL 8mm Proximity Probe
Introduction — High-Integrity Vibration Measurement for Critical Machinery Systems
The Bently Nevada 330103-00-12-50-02-00 3300 XL 8mm Proximity Probe is a precision eddy-current sensor designed for continuous shaft vibration and position monitoring in rotating equipment. As part of the globally established 3300 XL proximity transducer system, it provides stable, non-contact measurement performance in turbines, compressors, pumps, and other mission-critical industrial assets.
The “50” configuration typically corresponds to a longer system cable length option, making it suitable for installations where remote mounting of Proximitor modules or extended routing paths are required. This flexibility supports complex industrial layouts while maintaining measurement integrity.
Technical Specifications
| Parameter | Specification |
|---|
| Model | 330103-00-12-50-02-00 |
| Series | 3300 XL 8mm Proximity Probe |
| Measurement Principle | Eddy-current, non-contact sensing |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 |
| Case Length | 120 mm |
| Total System Length | ~5.0 m cable configuration |
| Connector Type | Miniature coaxial ClickLoc |
| Housing Material | Stainless steel (AISI 303/304) |
| Tip Material | PPS (Polyphenylene sulfide) |
| Operating Temperature | -52°C to +177°C (system dependent) |
| Linear Measurement Range | Approx. 0.25 mm – 2.3 mm |
| Recommended Gap | 1.27 mm (50 mils) |
| Weight | ~0.32–0.33 kg |
Applications — Built for Industrial-Grade Condition Monitoring
This probe is widely deployed in predictive maintenance systems across heavy industries:
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Gas and steam turbine vibration monitoring
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Compressor shaft displacement and axial position measurement
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Pump bearing vibration analysis
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Generator rotor dynamic behavior tracking
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Gearbox condition monitoring in continuous production lines
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Keyphasor and speed reference systems
Its extended cable configuration makes it especially suitable for large-scale industrial plants where sensors are installed far from monitoring racks.
Technical FAQs
1. What does the “50” in the model represent?
It typically indicates a longer cable length configuration (commonly around 5.0 meters).
2. What system is this probe part of?
It belongs to the Bently Nevada 3300 XL 8mm proximity transducer system.
3. What is the measurement principle?
It uses eddy-current non-contact technology to measure shaft displacement.
4. What is the probe diameter?
The sensing tip is 8 mm in diameter.
5. What is the operating temperature range?
Approximately -52°C to +177°C depending on system configuration.
6. What is the recommended air gap?
1.27 mm (50 mils) for optimal linear response.
7. Can it measure both vibration and position?
Yes, it supports both dynamic vibration and static shaft position measurement.
8. What industries commonly use it?
Power generation, oil & gas, petrochemical, and heavy industrial manufacturing.
9. What connector type is used?
Miniature coaxial ClickLoc connector.
10. Why is long cable length important?
It allows flexible installation in large facilities where sensors must be routed far from monitoring systems.
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