Industrial-Grade Precision Sensing for Continuous Machinery Protection
The Bently Nevada 330101-00-28-20-02-05 3300 XL 8 mm Proximity Probe is a high-reliability eddy current sensor designed for accurate, non-contact measurement of shaft vibration and displacement in rotating machinery. As part of the 3300 XL series, it delivers stable electrical performance, strong mechanical durability, and consistent long-term monitoring accuracy in harsh industrial environments.
Engineered for critical asset protection, this probe supports predictive maintenance strategies by providing real-time condition data for turbines, compressors, pumps, and other high-value rotating equipment. Its standardized configuration ensures compatibility with the broader Bently Nevada 3300 XL transducer system architecture.
Technical Specifications (Including Dimensions & Weight)
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330101-00-28-20-02-05 |
| Series | 3300 XL |
| Probe Type | 8 mm Proximity Probe |
| Measurement Principle | Eddy Current Technology |
| Function | Shaft vibration & displacement monitoring |
| Probe Diameter | 8 mm |
| Thread Size | 3/8-24 UNF |
| Case Length Option | 2.0 in (code “20”) |
| Cable Length Option | 2.0 m (code “20”) |
| Connector Type | Miniature coaxial ClickLoc |
| Cable Type | Standard industrial cable |
| Housing Material | Stainless steel |
| Probe Tip Material | PPS (Polyphenylene sulfide) |
| System Compatibility | 3300 XL Proximitor Systems |
| Linear Measurement Range | ~2 mm (typical 3300 XL 8 mm system) |
| Approx. Weight | ~0.323 kg |
| Operating Environment | Industrial machinery monitoring |
Applications
This probe is widely used in rotating equipment monitoring systems where precise vibration measurement is essential for safe and efficient operation.
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Steam turbine condition monitoring
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Gas turbine vibration protection
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Compressor performance monitoring
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Industrial pump shaft displacement tracking
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Generator rotor vibration analysis
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Electric motor condition monitoring
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Oil & gas production systems
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Petrochemical processing plants
Its non-contact measurement capability enables early detection of mechanical issues such as imbalance, misalignment, and bearing wear.
Advantages
High Measurement Stability
Delivers consistent eddy current output for reliable vibration trending and diagnostic analysis.
Robust Industrial Construction
Stainless steel housing and reinforced probe design ensure durability in high-vibration and high-temperature environments.
Seamless 3300 XL Integration
Fully compatible with Bently Nevada 3300 XL Proximitor systems for simplified installation and interchangeability.
Predictive Maintenance Enablement
Supports early fault detection, helping reduce unplanned downtime and maintenance costs.
Proven Industrial Standard Platform
Part of a globally adopted machinery protection ecosystem used in critical industrial operations.
Technical FAQs
1. What is the main function of this probe?
It measures shaft vibration and displacement without physical contact.
2. What technology does it use?
It uses eddy current sensing technology for high-accuracy proximity measurement.
3. What systems is it compatible with?
It is designed for Bently Nevada 3300 XL Proximitor systems.
4. What does the “28-20-02-05” configuration mean?
It defines case length, cable length, connector type, and approval configuration within the 3300 XL ordering system.
5. Can it operate continuously?
Yes, it is designed for continuous industrial condition monitoring.
6. What industries use it?
Power generation, oil & gas, petrochemical, manufacturing, and heavy industry sectors.
7. What equipment is typically monitored?
Turbines, compressors, pumps, motors, and generators.
8. Is it suitable for harsh environments?
Yes, it is designed for demanding industrial operating conditions.
9. Does it support predictive maintenance?
Yes, it is widely used in condition-based monitoring systems.
10. Why is the 3300 XL series widely trusted?
Because it offers stable measurement accuracy, interchangeability, and long-term reliability in critical machinery protection systems.
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