Introduction
The Bently Nevada 330103-00-05-90-02-05 3300 XL 8mm Proximity Probe is a non-contact eddy current sensor designed for highly accurate measurement of shaft vibration, axial position, and dynamic displacement in rotating machinery. As part of the proven 3300 XL series, it is engineered for long-term stability in harsh industrial environments where continuous monitoring is critical for asset protection.
This model is commonly deployed in turbine, compressor, and pump monitoring systems across power generation, oil & gas, and heavy manufacturing industries. Its configuration supports extended cable routing options, making it suitable for installations requiring flexible sensor placement while maintaining signal integrity.
Technical Specifications
| Category | Specification |
|---|
| Product Series | 3300 XL |
| Model Number | 330103-00-05-90-02-05 |
| 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 (AISI 303/304) |
| Probe Tip Material | PPS (Polyphenylene sulfide) |
| Connector Type | Miniature ClickLoc coaxial |
| Cable Type | Shielded coaxial (FluidLoc compatible) |
| Total Cable Length | ~9.0 meters (configuration dependent) |
| Weight | ~0.30–0.32 kg |
Applications
This probe is widely used in critical machinery condition monitoring applications, including:
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Gas and steam turbine shaft vibration monitoring
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Compressor thrust position and radial displacement measurement
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Pump performance monitoring in refinery and oil & gas systems
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Power plant rotating equipment protection systems
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Petrochemical and industrial process machinery diagnostics
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Predictive maintenance and online condition monitoring systems
Its non-contact sensing method ensures long service life and eliminates mechanical wear, making it ideal for continuous operation environments.
Advantages
The 330103-00-05-90-02-05 model offers strong performance benefits in industrial applications:
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High-precision eddy current measurement for vibration and displacement
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Stable operation in high-temperature and high-vibration environments
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Rugged stainless steel construction for harsh industrial conditions
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Reliable long-distance signal transmission via extended cable design
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Fully compatible with 3300 XL Proximitor systems
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Supports predictive maintenance strategies and reduced downtime
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Flexible installation for complex machine layouts
These advantages make it a dependable choice for industries requiring high equipment availability and precise condition monitoring.
Technical FAQs
1. What does this probe measure?
It measures shaft vibration and displacement 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 is the cable length of this model?
Approximately 9.0 meters, depending on configuration.
5. What industries use this probe?
Power generation, oil & gas, petrochemical, and heavy industrial sectors.
6. Can it operate in extreme temperatures?
Yes, it supports up to approximately 177°C in industrial environments.
7. What material is it made from?
Stainless steel housing with a 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.
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