Introduction — Precision Sensing for High-Integrity Machinery Protection
The Bently Nevada 330103-00-12-10-02-00 3300 XL 8mm Proximity Probe is a high-accuracy eddy-current sensor engineered for continuous monitoring of shaft vibration and position in rotating machinery. As part of the trusted 3300 XL proximity transducer system, it delivers stable and repeatable signal output in demanding industrial environments such as turbines, compressors, and critical rotating equipment.
Designed for long operational life and consistent performance, this probe plays a key role in predictive maintenance strategies, helping operators detect early mechanical deviations before they develop into costly failures.
Technical Specifications
| Parameter | Specification |
|---|
| Model | 330103-00-12-10-02-00 |
| Series | 3300 XL 8mm Proximity Probe |
| Measurement Principle | Eddy current non-contact sensing |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 |
| Case Length | 120 mm |
| Cable Length | 1.0 m (configuration-dependent) |
| Connector Type | Miniature coaxial ClickLoc |
| Probe Material | Stainless steel (AISI 303/304) |
| Tip Material | PPS (Polyphenylene sulfide) |
| Operating Temperature | -52°C to +177°C (system dependent) |
| Linear Range | Approx. 0.25 mm – 2.3 mm |
| Recommended Gap | 1.27 mm (50 mils) |
| Weight | ~0.32–0.33 kg |
Applications — Built for Mission-Critical Rotating Assets
This probe is widely used in industrial condition monitoring systems, especially where uptime is critical:
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Steam and gas turbine shaft vibration monitoring
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Centrifugal and axial compressor radial displacement measurement
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Industrial pump bearing condition monitoring
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Generator rotor dynamic behavior tracking
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Speed and Keyphasor reference systems
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Heavy-duty gearbox vibration analysis
Its consistent output characteristics make it a preferred choice for continuous monitoring in high-value production environments.
Technical FAQs
1. What system is this probe part of?
It is part of the Bently Nevada 3300 XL 8mm proximity transducer system.
2. What measurement technology does it use?
It uses eddy current (non-contact) displacement sensing.
3. Is it a standalone sensor?
No, it must be used with a 3300 XL extension cable and Proximitor sensor.
4. What is the probe diameter?
The sensing tip diameter is 8 mm.
5. What is the typical operating temperature range?
Approximately -52°C to +177°C depending on system configuration.
6. What is the cable length in this configuration?
This version is typically configured with a 1.0 m cable segment.
7. What is the recommended air gap?
1.27 mm (50 mils) for optimal linear response.
8. What industries use this probe?
Power generation, oil & gas, petrochemical, and heavy manufacturing.
9. Why is stainless steel used?
For corrosion resistance, strength, and long-term mechanical stability.
10. Why is it important in predictive maintenance?
Because it provides stable, repeatable signals that enable early detection of machine degradation trends.
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