Introduction | High-Stability Sensing for Critical Rotating Equipment
The Bently Nevada 330104-00-03-50-01-05 3300 XL Proximity Probe is a precision-engineered eddy current sensor designed for continuous monitoring of shaft vibration, displacement, and axial position in high-value rotating machinery. As part of the proven 3300 XL 8 mm proximity system, it delivers consistent, drift-resistant measurements that support machinery protection and predictive maintenance strategies in demanding industrial environments.
Built for integration with Bently Nevada Proximitor systems, this probe is widely deployed in turbine, compressor, pump, and generator monitoring applications where signal stability and long-term reliability are essential.
Technical Specifications | Mechanical Build & Measurement Characteristics
| Parameter | Specification |
|---|
| Model | 330104-00-03-50-01-05 |
| Series | 3300 XL (8 mm Proximity Probe System) |
| Type | Eddy Current Proximity Probe |
| Measurement Function | Shaft vibration, radial displacement, axial position |
| System Compatibility | Bently Nevada 3300 XL Proximitor Sensor |
| Output Signal | Proportional voltage (system-dependent conversion) |
| Operating Principle | Non-contact eddy current sensing |
| Probe Tip Diameter | 8 mm |
| Thread Type | M10 × 1 (typical 330104 configuration family) |
| Cable Type | Integrated coaxial probe cable |
| Connector Type | Miniature ClickLoc coaxial connector |
| Operating Temperature | -52°C to +177°C (system dependent) |
Applications | Where This Probe Is Commonly Used
The 330104-00-03-50-01-05 probe is widely used in condition monitoring systems for:
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Gas and steam turbine vibration monitoring
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Centrifugal compressor shaft displacement measurement
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Industrial pump bearing condition monitoring
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Generator rotor axial position tracking
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Oil & gas rotating equipment protection systems
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Petrochemical and refinery process machinery diagnostics
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Power plant turbine supervisory instrumentation (TSI systems)
Its ability to provide real-time, high-resolution displacement data makes it essential for predictive maintenance programs.
Advantages | Engineering Value in Industrial Operations
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High-accuracy eddy current sensing for reliable vibration measurement
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Stable long-term performance with minimal signal drift
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Strong immunity to electromagnetic and radio-frequency interference
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Fully compatible with Bently Nevada 3300 XL monitoring ecosystem
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Rugged design for extreme industrial environments
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Interchangeable system architecture for simplified maintenance
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Reliable operation in continuous 24/7 duty cycles
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Proven deployment in global critical infrastructure industries
This probe is designed to deliver consistent measurement integrity where equipment protection is non-negotiable.
Technical FAQs | Practical Engineering Insights
1. What does this probe measure?
It measures shaft vibration, radial displacement, and axial position.
2. What system is it designed for?
It is designed for the Bently Nevada 3300 XL Proximitor Sensor system.
3. What is its measurement principle?
It uses eddy current non-contact sensing technology.
4. Can it measure static and dynamic signals?
Yes, it supports both position and vibration measurement.
5. Is it suitable for turbines and compressors?
Yes, it is widely used in both turbine and compressor monitoring systems.
6. What material does it measure?
Conductive metallic surfaces such as steel shafts.
7. Does it require calibration?
Yes, system-level calibration with matched components is required.
8. Can it operate in harsh environments?
Yes, it is designed for high temperature, vibration, and EMI-heavy environments.
9. Is it interchangeable with other probes?
Only within compatible 3300 XL system configurations and matched lengths.
10. What industries commonly use it?
Power generation, oil & gas, petrochemical, and heavy manufacturing industries.
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