Introduction
The Bently Nevada 330103-07-16-05-02-00 3300 XL 8 mm Proximity Probe is a high-reliability eddy current sensor designed for precision monitoring of shaft vibration and position in rotating machinery. As part of the 3300 XL 8 mm system, it delivers stable, noise-resistant measurements that are essential for protecting critical industrial assets.
This probe is widely used in turbine systems, compressors, pumps, and generators, where continuous condition monitoring is required to ensure operational stability, reduce unexpected downtime, and support predictive maintenance strategies. Its rugged construction and standardized design make it a dependable component in demanding industrial environments.
Technical Specifications
| Parameter | Value |
|---|
| Series | 3300 XL 8 mm |
| Model | 330103-07-16-05-02-00 |
| 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 | 16 (approx. 160 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. 0.33 kg |
Applications
This proximity probe is designed for high-value rotating equipment where accurate displacement measurement directly impacts machine protection and performance optimization.
Typical applications include:
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Steam turbine shaft vibration and axial position monitoring
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Gas turbine rotor stability measurement
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Centrifugal compressor radial displacement tracking
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Industrial pump shaft condition monitoring
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Generator rotor and bearing health diagnostics
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Gearbox vibration detection in heavy-duty machinery
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Keyphasor speed and phase reference systems
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Continuous industrial condition monitoring systems
Its non-contact measurement principle ensures long-term reliability without mechanical wear or signal drift from physical contact.
Technical FAQs
1. What is the primary function of this probe?
It measures shaft vibration and displacement using eddy current sensing technology.
2. Is it a contact or non-contact probe?
It is a non-contact proximity probe.
3. What does the “16” in the model code represent?
It indicates the case length configuration (approx. 160 mm).
4. What is the probe diameter?
The probe diameter is 8 mm.
5. What industries commonly use it?
Power generation, petrochemical, oil & gas, and heavy industrial manufacturing.
6. What is the operating temperature range?
From -35°C to +177°C depending on system configuration.
7. What connector type is used?
A ClickLoc™ miniature coaxial connector.
8. What is the approximate weight?
Around 0.33 kg.
9. Can it be used in predictive maintenance systems?
Yes, it is commonly used in continuous condition monitoring setups.
10. Is it interchangeable with other 3300 XL probes?
Yes, within compatible 3300 XL system configurations.
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