Precision Shaft Displacement Measurement for Compact Rotating Machinery
The Bently Nevada 330905-00-09-05-02-RU 3300 NSv Proximity Probe is a compact non-contact eddy current sensor developed for applications where conventional 8 mm proximity probes cannot be installed due to limited mounting space or small shaft diameters. As part of the 3300 NSv Proximity Transducer System, this probe delivers highly accurate shaft vibration and position measurements while maintaining the proven reliability and performance associated with Bently Nevada machinery protection solutions.
The 330905-00-09-05-02-RU configuration features an M10 × 1 threaded stainless-steel probe body without armor, a 90 mm overall case length, a 0.5 m standard cable, and a miniature ClickLoc coaxial connector. The RU approval option is intended for applications requiring compliance with regional certification requirements, making the probe suitable for industrial installations across a wide range of operating environments. Built for continuous online monitoring, it integrates seamlessly with the 3300 NSv Proximitor Sensor and matching extension cable to provide dependable displacement measurements for predictive maintenance and machinery protection systems.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330905-00-09-05-02-RU |
| Product Type | 3300 NSv Proximity Probe |
| Series | 3300 NSv Proximity Transducer System |
| Measurement Principle | Eddy Current (Non-contact) |
| Thread Type | M10 × 1 |
| Armor | Without Armor |
| Unthreaded Length | 0 mm |
| Overall Case Length | 90 mm |
| Cable Length | 0.5 m (20 in) |
| Connector Type | Miniature Coaxial ClickLoc Connector |
| Cable Type | Standard Coaxial Cable |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Probe Body Material | AISI 304 Stainless Steel |
| Linear Measurement Range | Approximately 1.5 mm (60 mils) |
| Frequency Response | 0 Hz to 10 kHz |
| Operating Temperature | -52°C to +177°C |
| System Compatibility | 3300 NSv Proximitor Sensor & 330930 Extension Cable |
| Dimensions | M10 × 1 Thread × 90 mm Overall Case Length |
| Weight | Approximately 0.15 kg |
Typical Applications
The 330905-00-09-05-02-RU is designed for machinery where compact dimensions and precise shaft displacement monitoring are essential.
Typical applications include:
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High-speed compressors
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Steam turbines
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Gas turbines
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Small electric motors
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Gearboxes
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Turbochargers
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Centrifugal pumps
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Machine tool spindles
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OEM rotating equipment
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Process machinery
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Petrochemical plants
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Power generation facilities
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Marine propulsion systems
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General industrial rotating equipment
Its compact probe geometry enables installation in confined spaces while delivering stable vibration and shaft position measurements that support predictive maintenance and equipment reliability.
Product Advantages
Engineered for demanding industrial applications, the 330905-00-09-05-02-RU offers reliable measurement performance and simplified installation.
Key advantages include:
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Compact M10 × 1 threaded probe for restricted mounting locations
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Non-contact eddy current sensing technology for accurate displacement measurement
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Excellent frequency response for high-speed rotating machinery
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Corrosion-resistant stainless-steel construction
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Durable PPS probe tip for long service life
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Secure miniature ClickLoc connector for reliable signal transmission
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Stable long-term performance with minimal maintenance
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Fully compatible with the Bently Nevada 3300 NSv monitoring system
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Supports continuous online condition monitoring
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Helps reduce unplanned downtime and maintenance costs
Technical FAQs
1. What is the primary function of the 330905-00-09-05-02-RU?
It measures shaft vibration, shaft position, and relative displacement using non-contact eddy current technology.
2. What thread size does this probe use?
The probe features an M10 × 1 metric threaded body for secure installation.
3. What does the "00-09-05-02" configuration represent?
It specifies 0 mm unthreaded length, 90 mm overall case length, 0.5 m standard cable, and a miniature ClickLoc connector.
4. What does the "RU" suffix indicate?
The RU suffix identifies a regional approval configuration intended to satisfy specific market certification requirements.
5. Which monitoring system is compatible with this probe?
It is designed for use with the 3300 NSv Proximitor Sensor and 330930 NSv Extension Cable.
6. What is the operating temperature range?
The probe operates continuously from -52°C to +177°C, making it suitable for demanding industrial environments.
7. Is the probe armored?
No. This model is supplied without cable armor, providing greater flexibility where additional mechanical protection is unnecessary.
8. What is the frequency response?
The probe supports a frequency response of 0 Hz to 10 kHz, enabling accurate monitoring of both static and dynamic shaft movement.
9. What are the dimensions and weight?
The probe features an M10 × 1 threaded body, 90 mm overall case length, and weighs approximately 0.15 kg.
10. Why choose the 330905-00-09-05-02-RU?
Its compact design, excellent measurement stability, rugged construction, and compatibility with the complete 3300 NSv transducer system make it an ideal choice for precision machinery monitoring where installation space is limited.
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