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- 330905-00-25-05-01-05
- 3300 XL NSv Proximity Probe
- USA
- 25000 mm
- 1.55kg
- Xiamen, China
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Bently Nevada 330905-00-25-05-01-05 Proximity Extension Cable Product Detailed Introduction
1. Product Introduction
The Bently Nevada 330905-00-25-05-01-05 is a precision proximity probe extension cable assembly designed for use with the 3300 XL 8 mm Proximity Transducer System. It is mainly used to extend the electrical connection distance between a proximity probe installed on rotating machinery and the monitoring equipment used for vibration measurement, shaft displacement monitoring, and machinery protection.
The extension cable provides a stable signal transmission path between the proximity probe and the monitoring system. It is designed to maintain the accuracy and reliability of eddy current measurement signals over a long cable distance, ensuring that vibration and displacement information can be transferred with minimal signal degradation.
This model uses a 25-meter cable configuration and is suitable for large industrial machines where the sensor installation point is located far away from the monitoring cabinet or signal processing equipment.
The 330905-00-25-05-01-05 is commonly applied in critical rotating machinery systems such as steam turbines, gas turbines, compressors, generators, pumps, motors, and other equipment requiring continuous condition monitoring.
The cable assembly is designed for demanding industrial environments. It provides reliable operation under continuous vibration, temperature changes, electromagnetic interference, oil contamination, and mechanical stress.
By providing accurate signal transmission between the proximity probe and monitoring equipment, this product helps monitoring systems detect shaft vibration, radial displacement, axial movement, rotor position changes, and abnormal operating conditions.
2. Product Basic Parameters
| Parameter | Specification |
|---|---|
| Model | 330905-00-25-05-01-05 |
| Product Type | Proximity Probe Extension Cable Assembly |
| Product Series | 3300 XL 8 mm Proximity Transducer System |
| Technology | Eddy Current Non-Contact Measurement Technology |
| Compatible Probe Type | 3300 XL 8 mm Proximity Probe |
| Cable Length | 25 meters |
| Cable Structure | Shielded coaxial extension cable |
| Connector Type | Standard proximity system connector |
| Signal Transmission Type | High-frequency vibration and displacement signal transmission |
| Measurement Function | Shaft vibration, radial displacement, axial position monitoring |
| Operating Temperature Range | Approximately -34°C to +177°C |
| Cable Shielding | Multi-layer electromagnetic shielding structure |
| Installation Position | Between proximity probe and monitoring equipment |
| Environmental Resistance | Resistant to vibration, oil, moisture, and industrial contamination |
| Mechanical Construction | Flexible industrial-grade cable assembly |
| Signal Performance | Stable long-distance signal transmission |
| Dimensions | Length: 25000 mm × Cable diameter: approximately 5 mm |
| Weight | Approximately 1.55 kg |
| Application Field | Rotating machinery condition monitoring |
| System Compatibility | 3300 XL proximity monitoring system |
3. Product Series Information
3300 XL 8 mm Proximity Transducer System
The 330905-00-25-05-01-05 belongs to the 3300 XL 8 mm Proximity Transducer System series.
This series is designed for continuous monitoring of high-value rotating machinery where accurate measurement of shaft vibration, displacement, and rotor position is required.
The system uses eddy current sensing technology, which allows measurement without direct contact between the sensor and rotating shaft.
The non-contact measurement method provides several benefits:
- Reduced mechanical wear
- Long operating life
- High measurement stability
- Accurate shaft movement detection
- Reliable operation under harsh industrial conditions
During operation, the proximity probe generates an electromagnetic field near the shaft surface.
When the shaft moves due to vibration, imbalance, bearing condition changes, thermal expansion, or mechanical alignment problems, the distance between the probe tip and shaft surface changes.
This change modifies the electromagnetic field and produces an electrical output signal proportional to shaft movement.
The signal is transferred through the extension cable to the monitoring equipment for processing and analysis.
The 3300 XL 8 mm system provides reliable monitoring capability for:
- Shaft vibration
- Radial displacement
- Axial position
- Rotor movement
- Machine operating condition
The main system components include:
| Component | Function |
|---|---|
| Proximity Probe | Detects shaft movement and vibration |
| Extension Cable | Provides signal connection over long distances |
| Signal Processing Unit | Converts and processes sensor signals |
| Monitoring Module | Displays and analyzes machine condition |
| Protection System | Provides alarm and shutdown functions |
The 330905-00-25-05-01-05 provides an extended connection solution while maintaining signal quality and measurement accuracy.
4. Product Working Principle
The 330905-00-25-05-01-05 operates as a signal transmission component in an eddy current proximity measurement system.
The proximity probe generates a high-frequency electromagnetic field near the rotating shaft.
When the shaft moves, the distance between the probe tip and the shaft surface changes.
The movement can be caused by:
- Rotor imbalance
- Shaft vibration
- Bearing wear
- Mechanical misalignment
- Thermal expansion
- Load variation
The distance change affects the electromagnetic field strength.
The proximity probe converts this variation into an electrical signal representing the shaft movement.
The extension cable transfers this signal to the monitoring equipment while maintaining stable transmission quality.
The monitoring system processes the signal and evaluates the condition of the machine.
The measured information can be used for:
- Online vibration monitoring
- Fault diagnosis
- Equipment protection
- Preventive maintenance
- Performance analysis
5. Product Applications
5.1 Steam Turbine Monitoring
Steam turbines require continuous monitoring because rotor vibration and shaft displacement directly influence operating safety.
The 25-meter extension cable allows installation flexibility when sensors are positioned near the turbine while monitoring equipment is installed remotely.
5.2 Gas Turbine Monitoring
Gas turbines operate under demanding conditions involving high speed, high temperature, and continuous mechanical stress.
The cable assembly provides stable signal transmission for turbine vibration monitoring systems.
5.3 Compressor Applications
Large compressors require accurate vibration monitoring to prevent unexpected mechanical failures.
The extended cable length allows the proximity sensor to be installed close to the shaft while maintaining connection with remote monitoring equipment.
5.4 Generator Monitoring
Generators require accurate rotor condition monitoring.
The product supports reliable transmission of vibration and displacement signals for generator protection and analysis.
5.5 Petrochemical Equipment
Petrochemical plants use large rotating machines that operate continuously.
The product provides stable performance in environments affected by:
- Oil contamination
- Temperature changes
- Mechanical vibration
- Industrial interference
5.6 Industrial Machinery
Typical applications include:
- Centrifugal pumps
- Electric motors
- Turbo machinery
- Fans
- Rotating compressors
- Mechanical drive systems
The product helps improve equipment availability through continuous condition monitoring.
6. Product Advantages
Long-Distance Signal Transmission
The 25-meter cable length provides excellent flexibility for large equipment installations where the sensor location is far from the monitoring cabinet.
Stable Measurement Performance
The cable assembly maintains signal accuracy and helps ensure reliable vibration and displacement measurement.
Strong Shielding Capability
The shielded cable construction reduces electromagnetic interference and improves signal quality.
High Mechanical Reliability
The cable structure is designed for long-term operation under:
- Continuous vibration
- Mechanical bending
- Temperature variation
- Industrial environments
Excellent Environmental Resistance
The product provides reliable operation under harsh industrial conditions including:
- Oil exposure
- Moisture
- Dust
- Heat variation
- Mechanical stress
Accurate Condition Monitoring
Stable signal transmission allows monitoring systems to detect small changes in machine behavior.
Easy Installation
The standardized design allows convenient integration with compatible proximity monitoring systems.
Supports Predictive Maintenance
The product helps maintenance teams identify potential equipment problems before serious damage occurs.
7. Brand and Product Classification
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Product Category | Machinery Condition Monitoring Components |
| Product Family | Proximity Measurement System |
| Product Series | 3300 XL Series |
| Sub-Series | 3300 XL 8 mm Proximity Transducer System |
| Product Type | Extension Cable Assembly |
| Main Function | Signal transmission between proximity probe and monitoring equipment |
| Primary Application | Rotating machinery vibration and displacement monitoring |
8. Product Technical Features
| Feature | Description |
|---|---|
| Measurement Technology | Eddy current non-contact sensing |
| Cable Length | 25 meters |
| Signal Type | Dynamic vibration and displacement signal |
| Cable Design | Shielded coaxial industrial cable |
| Connection Method | Probe extension connection |
| Operating Environment | Industrial rotating machinery applications |
| Mechanical Reliability | Designed for continuous operation |
| Signal Protection | Electromagnetic shielding structure |
| Maintenance Requirement | Low maintenance design |
9. Recommended Same Series or Related Models
| Model | Product Type | Main Parameters | Dimensions | Weight (kg) | Application |
|---|---|---|---|---|---|
| 330905-00-25-05-01 | Extension Cable Assembly | 25-meter proximity extension cable | Length: 25000 mm × Diameter approx. 5 mm | Approx. 1.55 kg | Large rotating machinery |
| 330905-00-21-05-02-CN | Extension Cable Assembly | 21-meter shielded proximity extension cable | Length: 21000 mm × Diameter approx. 5 mm | Approx. 1.35 kg | Turbine monitoring |
| 330905-00-20-10-02-00 | Extension Cable Assembly | 20-meter proximity extension cable | Length: 20000 mm × Diameter approx. 5 mm | Approx. 1.30 kg | Compressor systems |
| 330905-00-18-05-02-05 | Extension Cable Assembly | 18-meter proximity extension cable | Length: 18000 mm × Diameter approx. 5 mm | Approx. 1.20 kg | Industrial vibration monitoring |
| 330103-00-03-10-02-00 | Proximity Probe | 8 mm sensing tip, high precision measurement | Probe length approx. 100 mm | Approx. 0.18 kg | Shaft vibration measurement |
10. Recommended Popular Models from the Same Brand
| Model | Product Type | Main Parameters | Dimensions | Weight (kg) | Application |
|---|---|---|---|---|---|
| 3500/42M | Machinery Protection Monitor Module | Multi-channel vibration and displacement monitoring | Approx. 120 mm × 40 mm × 130 mm | Approx. 0.80 kg | Machinery protection |
| 3500/25 | Keyphasor Module | Rotor speed and phase reference measurement | Approx. 120 mm × 40 mm × 130 mm | Approx. 0.75 kg | Turbine speed monitoring |
| 330101-00-08-10-02-00 | Proximity Probe | 8 mm probe for vibration measurement | Probe length approx. 100 mm | Approx. 0.18 kg | Rotating machinery |
| 330730-080-00-05 | Extension Cable Assembly | Industrial proximity signal extension cable | Length: 5000 mm × Diameter approx. 5 mm | Approx. 0.55 kg | Condition monitoring |
| 3500/22M | Data Interface Module | Machinery data acquisition and communication module | Approx. 120 mm × 40 mm × 130 mm | Approx. 0.85 kg | Monitoring communication |
11. Product Summary
The Bently Nevada 330905-00-25-05-01-05 is a 25-meter proximity probe extension cable assembly designed for the 3300 XL 8 mm Proximity Transducer System.
It provides a reliable connection between proximity probes and monitoring equipment, ensuring accurate transmission of vibration, displacement, and shaft position signals.
The long cable configuration makes it suitable for large industrial rotating equipment where extended installation distance is required.
With excellent signal stability, strong electromagnetic shielding, durable mechanical construction, and reliable industrial performance, the product is suitable for turbines, compressors, generators, pumps, motors, and other critical machinery.
The 330905-00-25-05-01-05 helps improve machinery reliability by supporting continuous monitoring, early fault detection, predictive maintenance planning, reduced downtime, and improved operational safety.