Introduction
The Bently Nevada 330103-17-22-10-12-05 3300 XL 8mm Proximity Probe is a non-contact eddy current sensor designed for high-precision measurement of shaft vibration, radial displacement, and axial position in rotating machinery. As part of the 3300 XL series, it is widely used in turbine, compressor, and pump protection systems where long-term signal stability and mechanical reliability are essential.
The “-17-22-10-12-05” configuration represents a heavy-duty extended mechanical and electrical setup, typically used in applications requiring long insertion depth, reinforced housing geometry, and certified industrial connector/cable options for global deployment.
Technical Specifications
| Category | Specification |
|---|
| Product Series | 3300 XL |
| Model Number | 330103-17-22-10-12-05 |
| 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 (industrial configuration) |
| Case Length | ~170–220 mm (extended “17–22” configuration range) |
| Total Cable Length | ~1.0 m |
| 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 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 machinery protection systems
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Petrochemical and refinery rotating equipment diagnostics
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Predictive maintenance and online condition monitoring systems
Its eddy current sensing method ensures non-contact operation, eliminating mechanical wear and enabling long service life in continuous-duty applications.
Advantages
The 330103-17-22-10-12-05 model provides strong engineering advantages:
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High-precision eddy current measurement for vibration and displacement
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Extended heavy-duty housing for deep installation environments
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Stable performance under high vibration and thermal stress
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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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Reduced signal degradation in long installation layouts
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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 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 does the “17–22” configuration indicate?
It typically refers to extended housing length and reinforced mechanical configuration for deep installation.
4. What does “12-05” indicate?
It generally represents connector, cable, and certification options for industrial compliance.
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 external signal conversion?
Yes, it is used with a 3300 XL Proximitor sensor system.
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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