Introduction — Precision Monitoring Built for Critical Machinery Insight
The Bently Nevada 330103-00-12-05-12-00 3300 XL 8mm Proximity Probe is a high-performance eddy-current sensor designed for continuous vibration and shaft position measurement in rotating machinery. As part of the trusted 3300 XL platform, it delivers stable, repeatable signal output in demanding industrial environments where operational continuity is non-negotiable.
This probe is widely integrated into predictive maintenance systems across power plants, oil refineries, and heavy manufacturing facilities, where early detection of mechanical issues directly impacts safety and efficiency.
Technical Specifications
| Parameter | Specification |
|---|
| Model | 330103-00-12-05-12-00 |
| Series | 3300 XL 8mm Proximity Probe |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 |
| Case Length | 120 mm |
| Cable Length | 0.5 m integrated cable |
| Connector Type | Miniature coaxial ClickLoc |
| Probe Tip Material | PPS (Polyphenylene Sulfide) |
| Housing Material | Stainless Steel (AISI 303/304) |
| Operating Temperature | -52°C to +177°C (system dependent) |
| Linear Measurement Range | Approx. 0.25 mm – 2.3 mm |
| Recommended Operating Gap | 1.27 mm (50 mils) |
| Weight | ~0.323 kg |
Applications
This probe is engineered for high-value rotating equipment monitoring, including:
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Steam and gas turbine shaft vibration detection
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Centrifugal and axial compressor monitoring
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Pump radial vibration and axial displacement tracking
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Generator rotor stability analysis
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Speed and Keyphasor reference systems
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Industrial gearbox condition monitoring
It is especially effective in continuous-duty environments where downtime costs are extremely high and early anomaly detection is critical.
Technical FAQs
1. What system is this probe compatible with?
It is fully compatible with the Bently Nevada 3300 XL 8mm transducer system.
2. What measurement principle does it use?
It uses eddy current (non-contact) displacement sensing technology.
3. What is the cable length of this configuration?
This variant includes a 0.5-meter integrated cable assembly.
4. What is the probe diameter?
The sensing tip is 8 mm in diameter.
5. What industries commonly use it?
Power generation, petrochemical, oil & gas, and heavy manufacturing industries.
6. What is the typical measurement range?
Approximately 0.25 mm to 2.3 mm within the linear operating region.
7. Is it suitable for high-temperature environments?
Yes, it supports elevated temperatures up to around 177°C depending on system configuration.
8. What makes the ClickLoc connector important?
It ensures secure locking, vibration resistance, and fast field installation.
9. Can it be used for shaft position monitoring?
Yes, it measures both static (position) and dynamic (vibration) signals.
10. Why is it widely used in predictive maintenance?
Because it delivers stable, repeatable data essential for early fault detection and machinery health analysis.
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