Introduction
The Bently Nevada 330103-00-20-10-01-00 3300 XL 8mm Proximity Probe is a non-contact eddy current displacement sensor designed for high-precision monitoring of shaft vibration, radial displacement, and axial position in rotating machinery. As part of the trusted 3300 XL series, it provides stable and repeatable measurement performance in harsh industrial environments such as turbines, compressors, and heavy-duty pump systems.
The “-20” configuration typically indicates a longer housing design, making this probe suitable for deep installation requirements or machinery layouts where extended mechanical reach and rigid mounting stability are necessary.
Technical Specifications
| Category | Specification |
|---|
| Product Series | 3300 XL |
| Model Number | 330103-00-20-10-01-00 |
| 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 | ~200 mm (extended “20” configuration) |
| Total Cable Length | ~1.0 m (configuration “10”) |
| Weight | ~0.30–0.35 kg |
Applications
This probe is widely used in industrial condition monitoring systems, including:
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Gas and steam turbine shaft 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 rotating equipment protection systems
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Petrochemical and refinery machinery diagnostics
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Predictive maintenance and online monitoring platforms
Its non-contact eddy current design ensures long service life and eliminates mechanical wear, making it ideal for continuous industrial operation.
Advantages
The 330103-00-20-10-01-00 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 deep or restricted installation environments
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Stable performance under high vibration and temperature conditions
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Rugged stainless steel construction for industrial durability
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Fully compatible with 3300 XL Proximitor architecture
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Reliable long-term signal stability for machinery diagnostics
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Supports predictive maintenance and early fault detection strategies
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Suitable for heavy-duty rotating machinery applications
These advantages make it a dependable solution for industries where uptime, safety, and measurement accuracy are critical.
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 system is it designed for?
It is designed for the Bently Nevada 3300 XL Proximitor system.
4. What does the “20-10” configuration indicate?
It typically refers to an extended housing (~200 mm) and ~1.0 m cable length.
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 under proper installation conditions.
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