Introduction
The Bently Nevada 330103-10-12-05-11-05 3300 XL 8mm Proximity Probe is a non-contact eddy current sensor designed for precise measurement of shaft vibration, radial displacement, and axial position in industrial rotating machinery. As part of the proven 3300 XL proximity transducer system, it delivers stable, repeatable signal performance in harsh environments such as turbines, compressors, pumps, and heavy-duty production equipment.
The “-10” configuration typically indicates an extended housing design for improved installation depth and mechanical rigidity. The “-12-05-11-05” sequence represents a specialized factory configuration used for cable, connector, and certification options, supporting global industrial deployment and long-term monitoring reliability.
Technical Specifications
| Category | Specification |
|---|
| Product Series | 3300 XL |
| Model Number | 330103-10-12-05-11-05 |
| Probe Type | 8 mm Eddy Current Proximity Probe |
| Measurement Principle | Non-contact electromagnetic induction |
| System Compatibility | 3300 XL Proximitor Sensor System |
| Linear Range | ~0.25 mm to 2.3 mm |
| Output Signal | Voltage proportional to gap distance |
| Frequency Response | DC to ~10 kHz |
| Operating Temperature | -52°C to +177°C |
| Case Material | Stainless steel (industrial grade) |
| Probe Tip Material | PPS (Polyphenylene sulfide) |
| Connector Type | Miniature ClickLoc coaxial |
| Cable Type | Shielded coaxial (FluidLoc compatible) |
| Case Length | ~100 mm (configuration “10”) |
| Total Cable Length | ~1.0 m (configuration dependent) |
| Weight | ~0.30–0.35 kg |
Applications
This proximity probe is widely used in industrial condition monitoring systems, including:
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Gas and steam turbine vibration monitoring
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Compressor radial and axial displacement measurement
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Pump condition monitoring in oil & gas facilities
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Power generation machinery protection systems
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Petrochemical and refinery rotating equipment diagnostics
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Predictive maintenance and online condition monitoring platforms
Its eddy current sensing technology ensures long service life and eliminates mechanical wear, making it ideal for continuous industrial operation.
Advantages
The 330103-10-12-05-11-05 model delivers strong operational benefits:
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High-precision eddy current measurement for vibration and displacement
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Extended housing for improved mechanical reach and stability
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Factory-configured cable and connector system for reliability
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Stable performance under high temperature and vibration stress
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Fully compatible with 3300 XL Proximitor architecture
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Reduced installation risk with integrated configuration design
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Supports predictive maintenance and early fault detection strategies
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Proven reliability in mission-critical rotating machinery systems
These features make it a strong choice for industries requiring high measurement integrity and long-term operational stability.
Technical FAQs
1. What does this probe measure?
It measures shaft vibration, radial displacement, and axial position using eddy current technology.
2. Is it a contact or non-contact sensor?
It is a non-contact proximity probe.
3. What does the “10” configuration indicate?
It typically refers to an extended housing design for deeper installation.
4. What is the meaning of “12-05-11-05”?
It represents factory-defined cable, connector, and certification configurations.
5. What industries use this model?
Power generation, oil & gas, petrochemical, and heavy industrial sectors.
6. Can it operate in high temperatures?
Yes, it supports up to approximately 177°C.
7. What material is it made from?
Stainless steel housing with PPS probe tip.
8. Does it require physical contact with the shaft?
No, it uses electromagnetic field coupling for measurement.
9. How is it installed?
Threaded mounting with ClickLoc coaxial connector system.
10. What is its expected service life?
Long-term industrial use with minimal maintenance when properly installed.
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