Introduction
The Bently Nevada 330101-02-12-05-02-05 3300 XL 8 mm Proximity Probe is a high-precision eddy-current sensing device engineered for accurate shaft displacement and vibration measurement in critical rotating machinery. As part of the trusted 3300 XL 8 mm Proximity Transducer System, this probe provides reliable non-contact monitoring performance for industrial equipment where operational safety and machine availability are essential.
Designed with a compact probe configuration and integrated cable assembly, this model delivers stable signal transmission, excellent measurement repeatability, and compatibility with Bently Nevada monitoring systems. It is widely used in machinery protection applications where accurate rotor position and vibration data are required for predictive maintenance and condition-based monitoring.
The probe is suitable for demanding environments such as turbines, compressors, pumps, and other high-value rotating assets, helping operators detect mechanical changes before they develop into costly failures.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330101-02-12-05-02-05 |
| Product Series | 3300 XL 8 mm Proximity Transducer System |
| Product Type | Proximity Probe |
| Probe Diameter | 8 mm |
| Probe Design | Standard Non-Armored Probe |
| Measurement Technology | Eddy Current Displacement Sensing |
| Thread Size | 3/8-24 UNF |
| Case Length | 1.2 in. (30.5 mm) |
| Unthreaded Length | 0.0 in. |
| Integrated Cable Length | 0.5 m (1.6 ft) |
| Cable Type | Standard Cable |
| Connector Type | Miniature ClickLoc™ Coaxial Connector |
| Measurement Range | 2 mm (80 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) |
| Frequency Response | 0 Hz to 10 kHz |
| Operating Temperature Range | Approximately -51°C to +177°C (-60°F to +351°F) |
| Target Material | Conductive Metallic Targets |
| Hazardous Area Approval | CSA, ATEX, IECEx |
| Dimensions | Approx. 8 mm diameter × 30.5 mm probe body length |
| Approximate Weight | 0.18 kg |
Applications
The 330101-02-12-05-02-05 3300 XL 8 mm Proximity Probe is designed for continuous monitoring of rotating equipment where precise shaft movement measurement is required.
Typical applications include:
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Steam turbine vibration monitoring
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Gas turbine rotor position measurement
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Centrifugal compressor protection systems
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Industrial pump monitoring
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Electric motor bearing analysis
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Generator condition monitoring
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Gearbox vibration measurement
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Turbo machinery protection systems
This probe is commonly installed in machinery protection systems to provide real-time shaft displacement information, allowing maintenance teams to improve equipment reliability and reduce unexpected shutdowns.
Technical FAQs
1. What is the main function of the Bently Nevada 330101-02-12-05-02-05 probe?
It measures shaft vibration and displacement without physical contact by using eddy-current sensing technology.
2. Which monitoring system is this probe designed for?
It is designed for the Bently Nevada 3300 XL 8 mm Proximity Transducer System.
3. What is the sensing diameter of this probe?
The probe uses an 8 mm sensing tip designed for accurate rotor displacement measurement.
4. What cable length is included with this model?
This configuration includes a 0.5 m (1.6 ft) integrated cable assembly.
5. What type of connector does this probe use?
It uses a Miniature ClickLoc™ coaxial connector for secure connection with compatible system components.
6. Does this model support hazardous area installations?
Yes. The -05 option provides CSA, ATEX, and IECEx approval configurations.
7. What type of equipment commonly uses this probe?
It is commonly used on turbines, compressors, generators, pumps, and other rotating machinery.
8. Can this probe connect directly to a PLC or DCS system?
No. It requires a compatible Proximitor Sensor before connecting to a monitoring or control system.
9. What is the typical measurement purpose of this probe?
It is primarily used for shaft radial vibration, axial position, and rotor displacement monitoring.
10. Is this probe suitable for continuous online monitoring?
Yes. It is designed for permanent installation in machinery protection and predictive maintenance systems.
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