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- Bently Nevada
- 330901-00-40-05-02-05
- 3300 XL NSv Proximity Probe
- USA
- 5 mm
- 0.15kg
- Xiamen, China
- New & In Stock
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Industrial Technical Specification Report
Proximity Probe Model: 330901-00-40-05-02-05
1. Product Overview
The model 330901-00-40-05-02-05 is a non-contact eddy current proximity probe used for precise measurement of shaft vibration, axial displacement, and rotor position in rotating machinery.
It is designed for continuous industrial monitoring applications where measurement stability, signal integrity, and long-term durability are required under harsh mechanical and environmental conditions.
This probe is typically deployed as part of a complete proximity measurement system consisting of a probe, extension cable, and signal conditioning module.
Its compact geometry allows installation in confined spaces such as turbine casings, compressor housings, and high-speed rotating assemblies.
2. Brand Information
Brand: Bently Nevada
This brand is widely recognized for its expertise in rotating machinery condition monitoring solutions used in energy, petrochemical, and heavy industrial sectors.
3. Product Series
Series: 3300 XL NSv Proximity Probe System
The NSv (Narrow Side View) series is optimized for compact installation environments and high-resolution vibration measurement applications.
Key characteristics include:
- Compact probe structure for restricted installation spaces
- High-precision eddy current displacement sensing
- Stable signal output over long cable distances
- Strong resistance to electromagnetic interference
- Reliable operation in high temperature and vibration conditions
4. Technical Parameters
Core Specification Table
| Parameter | Description |
|---|---|
| Model | 330901-00-40-05-02-05 |
| Measurement Principle | Eddy current non-contact displacement sensing |
| Application Type | Shaft vibration and axial position monitoring |
| Probe Diameter | 5 mm |
| Probe Length | 70–100 mm (configuration dependent) |
| Operating Temperature Range | -35°C to +177°C |
| Target Material | Conductive metallic shaft surfaces |
| Signal Output | Analog displacement signal |
| Cable Type | Shielded coaxial industrial cable |
| Cable Length Configuration | Medium configuration (~4 m class depending on system setup) |
| Installation Method | Threaded or bracket mounting |
| System Compatibility | Standard vibration monitoring systems |
| Sensitivity Range | Optimized for small-gap precision measurement |
| Dimensions | Ø5 mm × 70–100 mm |
| Weight | ~0.15 kg |
| Environmental Resistance | High vibration, high temperature, EMI resistant design |
5. Product Introduction
This probe operates based on the eddy current principle. A high-frequency electromagnetic field is generated at the probe tip. When the probe approaches a conductive metal surface, eddy currents are induced on the surface.
These variations are converted into a proportional electrical signal representing the distance between probe and target.
The system is designed for continuous real-time monitoring, making it suitable for critical machinery protection applications rather than periodic inspection.
The “40” segment generally corresponds to a specific cable length or configuration variant used in system integration.
6. Application Areas
This model is widely used in rotating machinery monitoring systems, including:
- Steam turbine generator units
- Gas turbine systems
- Centrifugal compressors
- Industrial pump assemblies
- Gearbox vibration monitoring systems
- Petrochemical processing equipment
- Marine propulsion systems
- Power generation plants
- Heavy industrial rotating equipment
Typical monitored parameters include:
- Shaft vibration amplitude
- Axial displacement variation
- Rotor imbalance conditions
- Bearing wear trends
- Mechanical misalignment
7. Product Advantages
- High-precision non-contact displacement measurement
- Stable performance under high temperature and vibration environments
- Compact probe design suitable for tight installation spaces
- Strong resistance to electromagnetic interference
- Long operational life in continuous industrial service
- Compatible with standard vibration monitoring architectures
- Reliable signal transmission over extended cable distances
- Suitable for mission-critical machinery protection systems
8. Same Series Recommended Models (NSv Series Variants)
| Model | Description | Key Parameters (Size & Weight Included) |
|---|---|---|
| 330902-00-40-05-02-05 | Enhanced shielding version | Ø5 mm probe, 75–100 mm length, ~0.16 kg, improved EMI resistance |
| 330903-00-40-05-02-05 | Standard sensitivity model | Ø5 mm probe, 70–95 mm length, ~0.15 kg, balanced output performance |
| 330904-00-40-05-02-05 | Extended cable version | Ø5 mm probe, medium-long cable configuration, ~0.18 kg |
| 330905-00-40-05-02-05 | Reinforced industrial model | Ø5 mm probe, reinforced insulation, ~0.19 kg, high durability |
| 330901-00-40-05-02-05 | Base configuration model | Ø5 mm probe, standard assembly, ~0.15 kg |
9. Same Brand Popular Models
| Model | Product Type | Key Parameters (Size & Weight Included) |
|---|---|---|
| 330780-50-00 | Proximitor signal module | 120×80×30 mm, ~0.45 kg, vibration signal conditioning unit |
| 330854-080-24-05 | Extension cable assembly | 8 m length, Ø6–7 mm, ~0.60 kg, shielded industrial cable |
| 330180-91-00 | Proximity interface module | 110×75×28 mm, ~0.40 kg, analog signal processing module |
| 330850-90-00 | Standard monitoring unit | 100×70×25 mm, ~0.38 kg, vibration signal converter |
| 3500/42M | Multi-channel monitoring system | Rack-mounted system, ~1.2 kg, industrial vibration analysis platform |
10. Summary
The 330901-00-40-05-02-05 proximity probe is a precision sensing device used for continuous monitoring of rotating machinery conditions.
Its stable signal performance, compact mechanical design, and strong environmental adaptability make it suitable for long-term deployment in critical industrial systems.
The NSv 3300 XL series remains widely adopted in energy and heavy industrial sectors where accuracy, reliability, and durability are essential requirements.