Introduction — Extended Reach Precision for Critical Machinery Protection
The Bently Nevada 330103-00-13-10-12-05 3300 XL 8mm Proximity Probe is a high-reliability eddy-current sensor designed for continuous measurement of shaft vibration and position in rotating machinery. As part of the proven 3300 XL 8mm proximity transducer system, it delivers stable, drift-resistant performance in turbines, compressors, pumps, and other mission-critical industrial equipment.
This configuration typically combines an extended 130 mm probe body (13 option) with a 1.0 m system cable and -05 agency approval package, making it suitable for installations requiring deeper mounting access and compliance-ready deployment in industrial monitoring systems.
Technical Specifications
| Parameter | Specification |
|---|
| Model | 330103-00-13-10-12-05 |
| Series | 3300 XL 8mm Proximity Probe |
| Measurement Principle | Eddy-current, non-contact sensing |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 |
| Case Length | ~130 mm (extended configuration) |
| Cable Length | ~1.0 m integral system configuration |
| Connector Type | Miniature coaxial ClickLoc |
| Housing Material | Stainless steel (AISI 303/304) |
| Tip Material | PPS (Polyphenylene sulfide) |
| Operating Temperature | -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 High-Value Rotating Equipment
This probe is widely used in industrial condition monitoring and protection systems:
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Steam and gas turbine shaft vibration monitoring
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Compressor radial and axial displacement measurement
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Pump bearing condition and vibration tracking
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Generator rotor dynamics monitoring
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Gearbox vibration diagnostics in continuous process lines
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Keyphasor and speed reference systems
Its extended configuration makes it especially useful in machinery where standard probe depth cannot reach optimal measurement points.
Technical FAQs
1. What does the “13” configuration indicate?
It generally refers to an extended probe case length (around 130 mm) for deeper mounting requirements.
2. What system is this probe part of?
It is part of the Bently Nevada 3300 XL 8mm proximity transducer system.
3. What measurement technology does it use?
Eddy-current non-contact displacement sensing.
4. What is the probe diameter?
8 mm sensing tip.
5. What is the cable length?
Typically around 1.0 m integrated system configuration.
6. What is the operating temperature range?
Approximately -52°C to +177°C depending on system setup.
7. What is the recommended air gap?
1.27 mm (50 mils) for optimal linear response.
8. Can it measure both vibration and position?
Yes, it supports both dynamic vibration and static shaft position monitoring.
9. What industries commonly use it?
Power generation, oil & gas, petrochemical, and heavy industrial sectors.
10. Why is it important in predictive maintenance systems?
Because it provides stable, repeatable signals that enable early detection of mechanical degradation trends.
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