High-Reliability Eddy Current Sensing for Critical Machinery Monitoring
The Bently Nevada 330103-00-07-10-12-00 3300 XL 8 mm Proximity Probe is a precision non-contact sensor designed for accurate measurement of shaft vibration and position in rotating machinery. As part of the established 3300 XL proximity transducer system, this probe delivers stable performance, strong environmental resistance, and consistent measurement accuracy in demanding industrial applications.
This configuration typically features a 70 mm case length, 1.0-meter integral cable, and FluidLoc-style cable/connector design, making it suitable for installations where enhanced cable protection and reliable signal transmission are required in harsh industrial environments.
Engineered for turbines, compressors, pumps, and generators, it is widely used in predictive maintenance systems focused on maximizing uptime and protecting critical rotating assets.
Technical Specifications
| Parameter | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330103-00-07-10-12-00 |
| Series | 3300 XL |
| Probe Type | 8 mm Eddy Current Proximity Probe |
| Thread Size | M10 × 1 |
| Case Length | 70 mm |
| Unthreaded Length | 0 mm |
| Cable Length | 1.0 meter |
| Connector Type | Miniature coaxial ClickLoc connector |
| Cable Design | FluidLoc / industrial protection variant |
| Measurement Principle | Eddy current non-contact sensing |
| Typical Sensitivity | 200 mV/mil |
| Frequency Response | DC to 10 kHz |
| Housing Material | Stainless steel (industrial grade) |
| Probe Tip Material | PPS (Polyphenylene Sulfide) |
| Operating Temperature | –52°C to +177°C |
| System Compatibility | 3300 XL Proximitor + extension cable system |
| Approx. Weight | ~0.32 kg |
Applications
This probe is widely used in machinery protection and condition monitoring systems across heavy industries:
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Steam turbine vibration monitoring
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Gas turbine rotor displacement measurement
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Centrifugal compressor protection
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Industrial pump condition monitoring
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Generator shaft vibration tracking
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Oil & gas rotating equipment systems
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Petrochemical processing machinery
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Power plant asset monitoring
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Gearbox health diagnostics
Its FluidLoc-style cable configuration improves resistance to oil, moisture, and industrial contaminants in demanding environments.
Key Advantages
Stable Non-Contact Measurement
Delivers accurate shaft vibration and displacement readings without mechanical contact, reducing wear and improving long-term stability.
Industrial-Grade Durability
Stainless steel housing and PPS tip ensure reliable operation under vibration, heat, and harsh plant conditions.
Enhanced Cable Protection Design
The 12-series configuration provides improved resistance against fluid ingress and industrial contamination.
Seamless 3300 XL Integration
Fully compatible with Bently Nevada 3300 XL extension cables and Proximitor systems for easy integration.
Predictive Maintenance Support
Enables early detection of mechanical issues, helping reduce unplanned downtime and maintenance costs.
Technical FAQs
1. What does this probe measure?
It measures shaft vibration, displacement, and position using eddy current technology.
2. What is the cable length?
It comes with a 1.0-meter integral cable.
3. What is the probe diameter?
The probe diameter is 8 mm.
4. What does “12” represent in the model code?
It typically indicates a FluidLoc-style cable/connector configuration with enhanced protection features.
5. What industries use this probe?
Power generation, oil & gas, petrochemical, and heavy manufacturing industries.
6. Is it suitable for turbine monitoring?
Yes, it is commonly used for turbine shaft vibration monitoring.
7. What is the sensing technology?
Non-contact eddy current measurement.
8. What is the operating temperature range?
Approximately –52°C to +177°C.
9. Is it compatible with 3300 XL systems?
Yes, it is designed for the full 3300 XL transducer system.
10. Why use FluidLoc-style cables?
They improve resistance to oil, moisture, and contamination in harsh environments.
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