Introduction
The Bently Nevada 330901-00-12-05-11-05 3300 NSv Proximity Probe is a precision-engineered non-contact sensing device designed for high-performance machinery monitoring in critical industrial environments. As part of the advanced 3300 NSv series, this probe delivers reliable vibration and shaft position measurements with exceptional signal stability, even under extreme operating conditions.
Built for turbines, compressors, and high-speed rotating equipment, it combines rugged construction with refined sensing accuracy, making it a trusted component in predictive maintenance and asset protection systems worldwide.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model | 330901-00-12-05-11-05 |
| Series | 3300 NSv Proximity Probe |
| Measurement Principle | Eddy current non-contact sensing |
| Case Length | 1.2 in (30.5 mm) |
| Cable Length | 0.5 m (20 in) |
| Thread Type | 1/4-28 UNF |
| Connector Type | ClickLoc coaxial connector |
| Cable Type | FEP-insulated coaxial cable |
| Housing Material | Stainless steel (AISI 304) |
| Tip Material | High-durability polymer (PPS) |
| Operating Environment | Industrial, high vibration, harsh conditions |
| Temperature Range | -40°C to +177°C |
| Pressure Resistance | Suitable for high-pressure machinery environments |
| Electrical Resistance | 4.0 ± 0.5 Ω (typical configuration) |
| Weight | Approx. 0.5 kg |
Applications
The 330901-00-12-05-11-05 probe is widely deployed in mission-critical industrial systems where precision monitoring directly impacts safety and uptime.
Typical applications include:
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Steam and gas turbine vibration monitoring
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Centrifugal and axial compressor shaft displacement measurement
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Industrial pump condition monitoring
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Gearbox rotational stability tracking
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Power generation asset protection systems
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Oil & gas rotating equipment diagnostics
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Heavy manufacturing machinery health monitoring
Its compact NSv design makes it especially suitable for installations with limited mounting space while maintaining high measurement fidelity.
Advantages
What makes this probe stand out in demanding industrial environments is its balance between rugged durability and measurement precision.
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High-accuracy eddy current sensing for stable displacement readings
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Compact 1.2-inch housing ideal for constrained installation spaces
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Enhanced chemical and thermal resistance for harsh environments
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Reliable ClickLoc connector system reduces installation errors
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Robust stainless-steel construction for long service life
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Stable performance under high vibration and temperature fluctuations
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Designed for compatibility with Bently Nevada monitoring ecosystems
In industrial reliability engineering, this probe is often selected for its consistency in long-term predictive maintenance systems.
Technical FAQs
1. What is the primary function of this probe?
It measures shaft vibration and displacement using eddy current technology.
2. Is it suitable for high-temperature environments?
Yes, it is rated for industrial high-temperature operating conditions up to 177°C.
3. What system is it compatible with?
It is part of the Bently Nevada 3300 NSv proximity system architecture.
4. What is the cable length?
Standard configuration includes a 0.5-meter (20-inch) cable.
5. What type of connector does it use?
A ClickLoc coaxial connector designed for secure industrial installation.
6. What is the mounting thread specification?
It uses a 1/4-28 UNF threaded mounting interface.
7. Is it resistant to harsh chemicals?
Yes, the probe tip and cable are designed for industrial chemical exposure resistance.
8. Can it be used in turbines?
Yes, it is commonly installed in steam and gas turbine systems.
9. What is the weight of the probe?
Approximately 0.5 kg depending on configuration.
10. Does it support predictive maintenance systems?
Yes, it is widely used in condition monitoring and predictive maintenance setups.
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