Introduction
The Bently Nevada 330103-06-25-10-02-00 3300 XL 8 mm Proximity Probe is a precision eddy current sensing device engineered for high-reliability machinery condition monitoring. As part of the widely trusted 3300 XL series, it is designed to deliver accurate shaft vibration and displacement measurements in critical rotating equipment environments.
Built for industrial-grade performance, this probe is commonly integrated into turbine, compressor, pump, and generator monitoring systems where continuous stability, interchangeability, and measurement accuracy are essential for predictive maintenance strategies.
Technical Specifications
| Parameter | Value |
|---|
| Series | 3300 XL 8 mm |
| Model | 330103-06-25-10-02-00 |
| Probe Type | Eddy current proximity probe |
| Probe Diameter | 8 mm |
| Unthreaded Length Option | 06 = 60 mm |
| Overall Case Length Option | 25 = 250 mm |
| Total Length | 1.0 m (3.3 ft) |
| Connector Type | Miniature coaxial ClickLoc™ connector |
| Cable Type | Standard low-noise coaxial cable |
| Thread Specification | M10 × 1 (typical 330103 family) |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Case Material | Stainless steel (AISI 303/304) |
| Operating Temperature | -35°C to +177°C |
| Storage Temperature | -51°C to +177°C |
| Sensitivity | ~7.87 V/mm (system dependent) |
| Measurement Range | 0.25 mm – 2.0 mm (typical system range) |
| Weight | Approx. 0.323 kg |
Applications
This proximity probe is widely used in industrial asset protection systems where precise non-contact measurement is required for rotating machinery health monitoring.
Key applications include:
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Steam and gas turbine shaft vibration monitoring
-
Centrifugal compressor axial displacement detection
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Pump and motor shaft position monitoring
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Generator bearing condition tracking
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Industrial gearbox vibration analysis
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Speed and phase reference (Keyphasor systems)
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Predictive maintenance in continuous process industries
Its ability to measure dynamic and static displacement makes it a core component in modern condition monitoring architectures.
Technical FAQs
1. What is the main function of this probe?
It measures shaft vibration and displacement without physical contact.
2. Is this probe compatible with all 3300 XL systems?
Yes, it is designed for full compatibility within the 3300 XL 8 mm system architecture.
3. What is the probe tip diameter?
The probe tip diameter is 8 mm.
4. What does the “25” code represent?
It indicates an overall case length of 250 mm.
5. What is the operating temperature range?
It operates from -35°C to +177°C.
6. What industries commonly use this probe?
Power generation, petrochemical, oil & gas, and heavy manufacturing industries.
7. Does it require physical contact with the shaft?
No, it uses eddy current technology for non-contact measurement.
8. What is the typical weight?
Approximately 0.323 kg.
9. What type of connector is used?
A miniature coaxial ClickLoc™ connector.
10. Can it be used for predictive maintenance systems?
Yes, it is widely used in predictive maintenance and condition monitoring setups.
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