Compact Design with High-Accuracy Machinery Monitoring Capability
The Bently Nevada 330103-02-08-10-02-RU 3300 XL 8 mm Proximity Probe is a precision eddy current proximity sensor designed for reliable non-contact measurement of shaft vibration, radial displacement, and axial position in critical rotating machinery. As part of the advanced 3300 XL 8 mm Proximity Transducer System, this probe provides stable signal output, excellent measurement accuracy, and dependable performance for continuous equipment protection applications.
Featuring a compact 80 mm probe case length, 20 mm unthreaded section, 1.0 m standard cable, and M10 × 1 metric thread design, this configuration is ideal for installations where mounting flexibility and limited space are important considerations. The RU suffix represents a regional approval configuration, while the probe maintains compatibility with 3300 XL Proximitor® sensors and extension cables for complete monitoring solutions.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330103-02-08-10-02-RU |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Series | 3300 XL |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 Metric |
| Probe Configuration | Without Armor |
| Unthreaded Length | 20 mm |
| Overall Case Length | 80 mm |
| Total Cable Length | 1.0 m (3.3 ft) |
| Connector Type | Miniature Coaxial ClickLoc® Connector |
| Cable Type | Standard Cable |
| Approval Option | RU Regional Approval |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Probe Housing Material | AISI 303/304 Stainless Steel |
| Linear Measurement Range | 2.0 mm (80 mils) |
| Recommended Gap Setting | 1.27 mm (50 mils) |
| Sensitivity | 7.87 V/mm (200 mV/mil) ±5% |
| Operating Temperature Range | -52°C to +177°C |
| Storage Temperature Range | -52°C to +177°C |
| Dimensions | 80 mm Probe Case Length; 1.0 m Cable Length |
| Approximate Weight | 323 g |
Industrial Applications
The 330103-02-08-10-02-RU is designed for continuous condition monitoring systems where accurate vibration and position feedback are essential for protecting valuable rotating assets.
Common applications include:
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Steam turbine vibration monitoring
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Gas turbine protection systems
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Centrifugal compressor monitoring
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Industrial pump condition monitoring
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Electric motor vibration analysis
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Gearbox health monitoring
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Power generation equipment
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Oil and gas processing systems
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Petrochemical machinery
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Chemical processing equipment
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Mining machinery
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Heavy industrial rotating systems
The probe is especially suitable for fluid-film bearing machines where accurate shaft position and dynamic vibration measurements are required.
Product Advantages
The 330103-02-08-10-02-RU combines compact mechanical design with proven Bently Nevada sensing technology to deliver reliable performance in demanding environments.
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High-precision non-contact eddy current measurement
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Compact 80 mm case length for restricted installation areas
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20 mm unthreaded section improves mounting flexibility
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Stable output performance for continuous monitoring
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Excellent resistance to vibration and industrial conditions
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Durable stainless-steel probe construction
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PPS sensing tip provides long-term mechanical stability
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Secure ClickLoc® connector design
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Compatible with 3300 XL monitoring system components
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Supports predictive maintenance strategies
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Helps improve equipment reliability and reduce downtime
Technical FAQs
1. What is the main purpose of the Bently Nevada 330103-02-08-10-02-RU?
It is used for non-contact measurement of shaft vibration, displacement, and position in rotating machinery protection systems.
2. What type of technology does this probe use?
The probe uses eddy current sensing technology to measure the distance between the probe tip and the conductive machine shaft surface.
3. What is the probe case length?
This model has an 80 mm overall case length.
4. What is the unthreaded length of this model?
The probe includes a 20 mm unthreaded section, allowing additional installation flexibility.
5. What cable length is included?
The probe is supplied with a 1.0-meter standard cable.
6. Which connector is used?
It uses a Miniature Coaxial ClickLoc® connector for reliable signal transmission and secure connection.
7. What materials are used in the probe construction?
The probe body uses AISI 303/304 stainless steel, while the sensing tip uses Polyphenylene Sulfide (PPS) material.
8. What is the measurement range?
The 3300 XL 8 mm system provides a 2.0 mm (80 mils) linear measurement range.
9. Which systems are compatible with this probe?
It works with 3300 XL extension cables and 3300 XL Proximitor® Sensors to create a complete proximity transducer system.
10. Why choose the 3300 XL 8 mm Series?
The 3300 XL 8 mm Series is widely used because of its accurate measurement performance, interchangeability, robust design, and suitability for critical rotating equipment monitoring.
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