Introduction
The Bently Nevada 330103-07-14-05-01-00 3300 XL 8 mm Proximity Probe is a precision eddy current sensor designed for high-performance machinery condition monitoring. As part of the 3300 XL series, it delivers stable, repeatable measurements of shaft vibration and position in critical rotating equipment.
Engineered for demanding industrial environments, this probe is widely used in turbines, compressors, pumps, and generators where reliable non-contact measurement is essential for predictive maintenance and operational safety. Its rugged construction and system-level compatibility make it a dependable choice for long-term monitoring applications.
Technical Specifications
| Parameter | Value |
|---|
| Series | 3300 XL 8 mm |
| Model | 330103-07-14-05-01-00 |
| Probe Type | Eddy current proximity probe |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 (standard 330103 family) |
| Unthreaded Length Option | 07 (approx. 70 mm configuration) |
| Case Length Option | 14 (approx. 140 mm configuration) |
| Total Cable Length | 0.5 m – 1.0 m system-dependent |
| Connector Type | Miniature coaxial ClickLoc™ |
| Cable Type | Low-noise triaxial coaxial cable |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Body Material | Stainless steel (industrial grade) |
| Operating Temperature | -35°C to +177°C |
| Storage Temperature | -51°C to +177°C |
| Sensitivity | ~7.87 V/mm (system dependent) |
| Linear Measurement Range | 0.25 mm – 2.0 mm |
| Weight | Approx. 0.32 kg |
Applications
This proximity probe is used in mission-critical rotating machinery where precise displacement monitoring is required for safe and efficient operation.
Key applications include:
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Steam turbine shaft vibration monitoring
-
Gas turbine rotor displacement measurement
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Centrifugal compressor axial and radial position sensing
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Pump shaft condition and bearing monitoring
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Generator rotor stability analysis
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Gearbox vibration detection in heavy industry
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Keyphasor speed and phase reference systems
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Continuous industrial condition monitoring systems
Its non-contact sensing method ensures long service life and stable data output in harsh operating conditions.
Technical FAQs
1. What is the main function of this probe?
It measures shaft vibration and 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 “14” code indicate?
It refers to the mechanical case length configuration in the probe model.
4. What is the probe diameter?
The probe diameter is 8 mm.
5. What industries use this probe most?
Power generation, petrochemical, oil & gas, and heavy manufacturing industries.
6. What is the operating temperature range?
From -35°C to +177°C depending on configuration.
7. What connector type does it use?
A ClickLoc™ miniature coaxial connector.
8. What is the typical weight?
Approximately 0.32 kg.
9. Can it be used for speed measurement?
Yes, in Keyphasor applications for speed and phase reference.
10. Is it interchangeable with other 3300 XL probes?
Yes, within compatible 3300 XL system configurations.
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