Introduction
The Bently Nevada 330103-08-15-10-02-00 3300 XL 8 mm Proximity Probe (Metric) is a high-precision eddy current sensor designed for continuous vibration and displacement monitoring of rotating machinery. As part of the 3300 XL proximity transducer system, it provides stable, repeatable, and noise-resistant measurement performance in demanding industrial environments.
This configuration is widely used in turbines, compressors, pumps, and generators where accurate shaft movement detection is critical for predictive maintenance and long-term asset protection. The “15” case length option provides extended mechanical reach, making it suitable for installations requiring deeper probe insertion or additional mounting flexibility.
Technical Specifications
| Parameter | Value |
|---|
| Series | 3300 XL 8 mm |
| Model | 330103-08-15-10-02-00 |
| Probe Type | Eddy current proximity probe |
| Measurement System | Metric configuration |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 |
| Unthreaded Length Option | 08 (approx. 80 mm) |
| Case Length Option | 15 (approx. 150 mm) |
| Total Cable Length | 1.0 m (standard system length) |
| Connector Type | Miniature coaxial ClickLoc™ |
| Cable Type | Low-noise triaxial coaxial cable |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Body Material | Stainless steel (AISI 303/304) |
| Operating Temperature | -35°C to +177°C |
| Storage Temperature | -51°C to +177°C |
| Linear Measurement Range | 0.25 mm – 2.0 mm |
| Sensitivity | ~7.87 V/mm (system dependent) |
| Weight | Approx. 0.323 kg |
Applications
This probe is engineered for high-value rotating equipment where continuous monitoring ensures operational safety and efficiency.
Typical applications include:
-
Steam turbine shaft vibration and axial position monitoring
-
Gas turbine rotor stability and displacement tracking
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Centrifugal compressor clearance and radial vibration monitoring
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Pump shaft condition and bearing wear detection
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Generator rotor dynamic movement analysis
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Gearbox vibration diagnostics in heavy industrial systems
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Keyphasor speed and phase reference systems
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Continuous condition monitoring in power plants and petrochemical facilities
Its non-contact eddy current technology ensures long service life and consistent measurement accuracy even in harsh environments.
Technical FAQs
1. What is the main function of this probe?
It measures shaft vibration and radial displacement using eddy current technology.
2. Is this a contact or non-contact sensor?
It is a non-contact proximity probe.
3. What does the “15” code indicate?
It represents a case length configuration of approximately 150 mm.
4. What is the probe diameter?
The probe diameter is 8 mm.
5. What industries commonly use this probe?
Power generation, oil & gas, petrochemical, and heavy industrial applications.
6. What is the operating temperature range?
From -35°C to +177°C depending on system configuration.
7. What connector type is used?
Miniature coaxial ClickLoc™ connector.
8. What is the approximate weight?
Around 0.323 kg.
9. Can it be used in predictive maintenance systems?
Yes, it is widely used in continuous condition monitoring setups.
10. Is it compatible with other 3300 XL components?
Yes, it integrates with standard 3300 XL extension cables and Proximitor sensor modules.
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