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- 330908-39-71-05-01-00
- 3300 NSv Proximity Probe
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Bently Nevada 330908-39-71-05-01-00 Proximity Extension Cable Product Introduction, Technical Parameters and Industrial Application Analysis
1. Product Overview
330908-39-71-05-01-00 is a high-precision proximity extension cable assembly designed for industrial rotating machinery monitoring applications. It belongs to the 3300 XL Series and is used as a connection component between a proximity probe and a monitoring system.
The main purpose of this product is to provide accurate signal transmission between the proximity probe and the signal processing equipment. It maintains the integrity of eddy current measurement signals and ensures reliable monitoring of shaft vibration, shaft displacement, and rotor position.
The product is designed for applications requiring stable performance, high measurement accuracy, and long-term operation under industrial conditions. With a 5-meter cable length, the model provides flexibility for equipment installation where the sensor and monitoring cabinet are separated by a moderate distance.
The 330908-39-71-05-01-00 is widely applied in critical rotating equipment such as steam turbines, gas turbines, compressors, generators, pumps, and industrial motors. It supports condition monitoring systems used for predictive maintenance and machinery protection.
The cable assembly is engineered to maintain consistent electrical performance, reduce signal interference, and provide reliable operation in environments with mechanical vibration and industrial noise.
2. Product Basic Information
| Item | Description |
|---|---|
| Model | 330908-39-71-05-01-00 |
| Brand | Bently Nevada |
| Product Series | 3300 XL Series |
| Product Type | Proximity Extension Cable Assembly |
| Main Function | Signal connection between proximity probe and monitoring system |
| Measurement Technology | Eddy Current Non-Contact Measurement Technology |
| Cable Length | 5 meters |
| Application Purpose | Shaft vibration and displacement monitoring |
| Installation Type | Industrial fixed installation |
| Signal Application | Dynamic vibration and shaft position measurement |
| Compatible System | 3300 XL proximity measurement system |
| Typical Equipment | Turbines, compressors, generators, pumps, motors |
| Application Field | Industrial machinery condition monitoring |
3. Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Model Number | 330908-39-71-05-01-00 |
| Product Series | 3300 XL |
| Product Category | Proximity Extension Cable |
| Cable Length | 5 meters |
| Cable Type | Shielded coaxial extension cable |
| Signal Transmission Type | High-frequency eddy current signal transmission |
| Measurement Method | Non-contact displacement measurement |
| Probe Compatibility | 3300 XL proximity probe system |
| Connector Type | Industrial proximity sensor connection interface |
| Cable Structure | Flexible shielded industrial cable |
| Electrical Performance | Stable impedance and low signal attenuation |
| Shielding Capability | Reduces electromagnetic interference |
| Mechanical Strength | Designed for continuous industrial vibration conditions |
| Installation Method | Fixed connection installation |
| Operating Application | Rotating machinery protection and monitoring |
| Approximate Dimensions | Cable length: 5000 mm; cable diameter approximately 5 mm |
| Weight | Approximately 0.25 kg |
4. Product Structure and Working Principle
The 330908-39-71-05-01-00 is an important component in a complete proximity monitoring system.
A typical measurement system includes:
| Component | Function |
|---|---|
| Proximity Probe | Detects shaft movement and vibration |
| Extension Cable | Transfers measurement signals from the probe |
| Signal Conditioner | Processes and converts sensor signals |
| Monitoring Module | Provides machine condition analysis and protection |
The working principle is based on eddy current measurement technology.
The proximity probe generates an electromagnetic field near the rotating shaft. When the shaft moves due to vibration, thermal expansion, mechanical loading, or alignment changes, the distance between the probe and shaft surface changes.
This distance variation changes the electromagnetic field strength, creating an electrical signal corresponding to the actual shaft movement.
The extension cable transfers this signal from the probe to the monitoring equipment while maintaining:
- Signal accuracy
- Measurement stability
- Electrical consistency
- Low interference performance
The 5-meter cable length allows flexible installation while ensuring reliable communication between the sensor and monitoring equipment.
5. Product Applications
5.1 Steam Turbine Monitoring
Steam turbines require continuous monitoring because rotor problems can lead to severe operational failures.
The 330908-39-71-05-01-00 supports turbine monitoring systems by providing stable signal transmission for:
- Shaft vibration measurement
- Rotor displacement monitoring
- Mechanical condition analysis
- Equipment protection
It helps maintenance teams identify abnormal operating conditions before major damage occurs.
5.2 Gas Turbine Applications
Gas turbines operate under demanding conditions involving high speed, high temperature, and continuous mechanical stress.
The product supports accurate transmission of proximity signals, helping maintain reliable turbine monitoring performance.
5.3 Compressor Condition Monitoring
Large compressors require precise vibration monitoring to maintain production reliability.
The extension cable supports measurement systems used to identify:
- Rotor imbalance
- Shaft instability
- Mechanical looseness
- Abnormal vibration
5.4 Generator Protection Systems
Generators require accurate monitoring of shaft movement and vibration.
The product provides reliable connection between proximity sensors and monitoring equipment, supporting continuous generator condition evaluation.
5.5 Pump and Motor Monitoring
Industrial pumps and motors often operate for extended periods under heavy loads.
The product helps connect measurement sensors with monitoring systems to detect:
- Mechanical wear
- Misalignment
- Excessive vibration
- Abnormal operation
6. Product Advantages
6.1 Stable Signal Transmission
The product maintains reliable transmission of proximity measurement signals, helping ensure accurate monitoring results.
6.2 High Measurement Reliability
Stable electrical characteristics help reduce signal distortion and improve measurement consistency.
6.3 Effective Noise Reduction
The shielded cable structure helps minimize electromagnetic interference from surrounding industrial equipment.
6.4 Strong Mechanical Durability
The cable assembly is designed for long-term operation in environments with vibration, mechanical stress, and temperature changes.
6.5 Flexible Installation Capability
The 5-meter cable length provides installation flexibility for various industrial machinery layouts.
6.6 Improved Equipment Maintenance
Reliable vibration and displacement monitoring helps operators detect problems early and improve maintenance efficiency.
7. Brand Introduction
Brand: Bently Nevada
Bently Nevada is an industrial machinery monitoring brand specializing in rotating equipment protection, vibration analysis, and condition monitoring solutions.
The brand focuses on technologies including:
- Shaft vibration monitoring
- Proximity measurement
- Machinery diagnostics
- Predictive maintenance
- Equipment protection
Its products are widely used in industries where machinery reliability and operational safety are critical.
Typical applications include:
- Power generation
- Energy production
- Petrochemical processing
- Heavy industrial manufacturing
The main objective of these technologies is to improve equipment reliability, reduce unexpected shutdowns, and support efficient maintenance planning.
8. Product Series Introduction
3300 XL Series
The 3300 XL Series is a professional proximity measurement product family designed for continuous monitoring of rotating machinery.
The series includes:
- Proximity probes
- Extension cables
- Signal processing components
- Monitoring modules
- Machinery protection devices
The series is designed for measuring:
- Shaft vibration
- Radial displacement
- Axial position
- Rotor movement
- Machine operating condition
Main Features of 3300 XL Series
| Feature | Description |
|---|---|
| Measurement Accuracy | High precision shaft movement measurement |
| Signal Stability | Reliable transmission of vibration and displacement signals |
| Industrial Reliability | Designed for continuous operation |
| Environmental Capability | Suitable for harsh industrial environments |
| Compatibility | Works with various rotating machinery monitoring systems |
| Application Range | Turbines, compressors, generators, pumps, motors |
9. Recommended Same Series or Related Models
| Model | Series | Product Type | Main Parameters | Dimensions | Weight kg |
|---|---|---|---|---|---|
| 330908-39-71-10-01-00 | 3300 XL | Proximity Extension Cable | 10-meter cable assembly for large equipment installation | Length: 10000 mm, diameter approx. 5 mm | 0.45 kg |
| 330908-39-71-05-02-00 | 3300 XL | Extension Cable Assembly | 5-meter proximity signal extension cable | Length: 5000 mm, diameter approx. 5 mm | 0.25 kg |
| 330908-24-37-05-02-RU | 3300 XL | Proximity Extension Cable | Industrial vibration monitoring cable | Length: 5000 mm, diameter approx. 5 mm | 0.25 kg |
| 330130-040-00-00 | 3300 XL | Extension Cable | Standard proximity extension cable | Length: 4000 mm, diameter approx. 5 mm | 0.20 kg |
| 330104-00-05-10-02-00 | 3300 XL | Proximity Probe | 8 mm sensing probe for shaft measurement | Length approx. 100 mm | 0.12 kg |
10. Recommended Popular Models from the Same Brand
| Model | Series | Product Type | Main Parameters | Dimensions | Weight kg |
|---|---|---|---|---|---|
| 330101-00-12-10-02-00 | 3300 XL | Proximity Probe | 8 mm probe for high accuracy shaft vibration measurement | Length approx. 120 mm | 0.12 kg |
| 330103-00-05-10-02-00 | 3300 XL | Proximity Probe | Compact displacement measurement sensor | Length approx. 100 mm | 0.11 kg |
| 330180-50-00 | 3300 XL | Proximity Component | Industrial proximity monitoring component | Approx. 100 × 30 × 30 mm | 0.18 kg |
| 3500/42M | 3500 Series | Proximity Monitoring Module | Four-channel vibration and position monitoring module | Approx. 241 × 24 × 120 mm | 0.60 kg |
| 3500/25 | 3500 Series | Keyphasor Module | Rotational speed and phase reference monitoring module | Approx. 241 × 24 × 120 mm | 0.50 kg |
11. Product Selection Guide
| Selection Factor | Description |
|---|---|
| Cable Length | Select according to the distance between sensor and monitoring equipment |
| Probe Compatibility | Ensure matching with installed proximity probe type |
| Equipment Application | Choose based on turbine, compressor, generator, pump, or motor requirements |
| Installation Environment | Consider vibration, temperature, and electrical interference |
| Maintenance Requirements | Select components suitable for long-term operation |
12. Product Summary
The 330908-39-71-05-01-00 is a reliable proximity extension cable assembly belonging to the 3300 XL Series.
It provides accurate and stable signal transmission between proximity probes and machinery monitoring systems.
With a 5-meter cable length, strong shielding capability, stable electrical performance, and durable industrial construction, the product is suitable for a wide range of rotating machinery applications.
The product supports accurate monitoring of shaft vibration, displacement, and rotor movement, helping operators improve equipment reliability and reduce unexpected failures.
As an important component in industrial condition monitoring systems, the 330908-39-71-05-01-00 provides a dependable solution for machinery protection, predictive maintenance, and long-term equipment operation.