Introduction — High-Reliability Sensing for Demanding Rotating Machinery
The Bently Nevada 330103-00-12-15-01-05 3300 XL 8mm Proximity Probe is a precision eddy-current sensor designed for continuous measurement of shaft vibration and position in critical rotating equipment. As part of the proven 3300 XL 8mm proximity transducer system, it delivers stable, repeatable performance in harsh industrial environments such as turbines, compressors, and high-speed rotating machinery.
This configuration is commonly selected for systems requiring extended cable length options and standardized industrial approvals, making it suitable for globally deployed condition monitoring architectures.
Technical Specifications
| Parameter | Specification |
|---|
| Model | 330103-00-12-15-01-05 |
| Series | 3300 XL 8mm Proximity Probe |
| Measurement Principle | Eddy-current, non-contact |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 |
| Case Length | 120 mm |
| Total System Length | 1.5 m (probe + cable configuration) |
| Cable Type | Miniature coaxial ClickLoc connector system |
| Unthreaded Length | 0 mm (flush mount configuration) |
| Material | Stainless steel housing |
| Operating Temperature | Approx. -52°C to +177°C (system dependent) |
| Linear Measurement Range | ~0.25 mm – 2.3 mm |
| Recommended Gap | 1.27 mm (50 mils) |
| Weight | ~0.32–0.33 kg |
Applications — Built for Critical Asset Monitoring
This probe is widely deployed in industrial condition monitoring systems, including:
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Steam and gas turbine vibration monitoring
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Compressor radial and axial displacement measurement
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Pump bearing condition monitoring
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Generator rotor dynamics analysis
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Speed and Keyphasor reference systems
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Heavy industrial gearbox diagnostics
Its consistent signal output makes it ideal for predictive maintenance programs focused on early fault detection and asset protection.
Technical FAQs
1. What system is this probe part of?
It is part of the Bently Nevada 3300 XL 8mm proximity transducer system.
2. What measurement method does it use?
It uses eddy-current non-contact technology for displacement measurement.
3. What is the total system length?
This configuration is a 1.5-meter total system length variant.
4. What is the probe diameter?
The sensing tip is 8 mm in diameter.
5. What is the mounting thread type?
M10 × 1 metric thread.
6. What is the operating temperature range?
Approximately -52°C to +177°C depending on system setup.
7. What industries use this probe?
Power generation, oil & gas, petrochemical, and heavy manufacturing.
8. Is it suitable for vibration monitoring?
Yes, it is designed for both vibration and shaft position measurement.
9. What is the recommended air gap?
1.27 mm (50 mils) for optimal linear response.
10. Why is it used in predictive maintenance?
Because it provides stable, repeatable signals that support early detection of mechanical degradation.
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