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- 330905-00-25-05-01-CN
- 3300 XL NSv Proximity Probe
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- 25000 mm
- 1.55kg
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Bently Nevada 330905-00-25-05-01-CN Proximity Extension Cable Product Detailed Introduction
1. Product Introduction
The Bently Nevada 330905-00-25-05-01-CN is a high-precision proximity probe extension cable assembly designed for use in the 3300 XL 8 mm Proximity Transducer System. It is mainly used to extend the connection distance between a proximity probe installed on rotating machinery and the monitoring equipment responsible for vibration measurement, shaft displacement monitoring, and machine protection.
The extension cable provides a stable and reliable transmission path for eddy current measurement signals. It allows the proximity probe to be installed close to the rotating shaft while the monitoring equipment can be positioned in a more convenient and protected location.
This model features a 25-meter cable length configuration and is designed for large industrial equipment where a longer connection distance is required. It is suitable for applications where machinery monitoring points are located far away from control panels, monitoring racks, or signal processing units.
The 330905-00-25-05-01-CN is widely used in critical rotating machinery applications, including steam turbines, gas turbines, compressors, generators, pumps, motors, and other industrial equipment requiring continuous online condition monitoring.
The cable assembly is manufactured for demanding industrial environments and provides reliable performance under continuous vibration, temperature fluctuation, electromagnetic interference, oil exposure, and mechanical stress.
By maintaining accurate signal transmission between the proximity probe and monitoring equipment, the product supports precise measurement of shaft vibration, radial displacement, axial position, rotor movement, and abnormal machine operating conditions.
2. Product Basic Parameters
| Parameter | Specification |
|---|---|
| Model | 330905-00-25-05-01-CN |
| 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 Configuration | Extension cable assembly |
| Cable Structure | Shielded coaxial industrial 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-CN belongs to the 3300 XL 8 mm Proximity Transducer System series.
This series is designed for continuous monitoring of critical rotating machinery where accurate shaft vibration, displacement, and position measurement are required.
The system uses eddy current sensing technology, which enables non-contact measurement between the proximity probe and rotating shaft.
Because there is no physical contact between the sensor and the rotating component, the system avoids mechanical wear and provides excellent long-term stability.
During operation, the proximity probe generates a high-frequency electromagnetic field near the shaft surface.
When the shaft moves due to vibration, imbalance, bearing wear, thermal expansion, alignment issues, or load changes, the distance between the probe tip and shaft surface changes.
This distance variation changes the electromagnetic field and produces a corresponding electrical output signal.
The signal is transferred through the extension cable to the monitoring equipment, where it is processed and analyzed.
The 3300 XL 8 mm system provides reliable monitoring capability for:
- Shaft vibration
- Radial displacement
- Axial movement
- Rotor position
- Machine operating condition
The main system components include:
| Component | Function |
|---|---|
| Proximity Probe | Detects shaft movement and vibration |
| Extension Cable | Transfers sensor signals over long distances |
| Signal Processing Unit | Converts and processes electrical signals |
| Monitoring Module | Provides machine condition analysis |
| Protection System | Provides alarms and protective actions |
The 330905-00-25-05-01-CN provides a long-distance connection solution while maintaining measurement accuracy and signal stability.
4. Product Working Principle
The 330905-00-25-05-01-CN works as part of an eddy current proximity measurement system.
The proximity probe generates an electromagnetic field near the rotating shaft.
When the shaft position changes, the distance between the probe tip and shaft surface changes.
Typical causes of shaft movement include:
- Rotor imbalance
- Mechanical vibration
- Bearing degradation
- Shaft misalignment
- Thermal expansion
- Changing operating loads
The proximity probe detects these changes and converts them into electrical signals.
The extension cable transfers the signal from the probe to the monitoring equipment while maintaining signal quality and reducing external interference.
The monitoring system analyzes the received data and provides information about machinery health.
The collected information can be used for:
- Online vibration monitoring
- Fault diagnosis
- Predictive maintenance
- Equipment protection
- Operating performance analysis
5. Product Applications
5.1 Steam Turbine Monitoring
Steam turbines operate at high speed and require continuous monitoring of rotor vibration and shaft displacement.
The 25-meter extension cable allows installation flexibility when the proximity sensor is mounted near the turbine while monitoring equipment is located remotely.
5.2 Gas Turbine Applications
Gas turbines operate under high temperature and high-speed conditions.
The product provides stable signal transmission for vibration monitoring and machinery protection systems.
5.3 Compressor Condition Monitoring
Large compressors require accurate vibration measurement to identify mechanical problems before serious damage occurs.
The extended cable length allows the sensor to remain close to the shaft while connecting to remote monitoring equipment.
5.4 Generator Monitoring
Generators require reliable rotor position and vibration measurement.
The extension cable provides stable signal transmission for generator condition monitoring and protection.
5.5 Petrochemical Machinery
Petrochemical facilities use large rotating machines that operate continuously.
The product provides reliable performance in environments affected by:
- Oil contamination
- Temperature changes
- Mechanical vibration
- Industrial interference
5.6 Industrial Rotating Equipment
Typical applications include:
- Centrifugal pumps
- Large electric motors
- Turbo compressors
- Industrial fans
- High-speed rotating machinery
- Mechanical drive systems
The product supports continuous monitoring and improves equipment reliability.
6. Product Advantages
Long-Distance Installation Capability
The 25-meter cable length provides excellent flexibility for large machinery installations where monitoring equipment is located far away from the measurement point.
Reliable Signal Transmission
The cable assembly maintains stable transmission of proximity measurement signals and supports accurate vibration and displacement monitoring.
Strong Electromagnetic Protection
The shielded cable design helps reduce electrical interference and improves signal stability in complex industrial environments.
High Mechanical Durability
The cable assembly is designed to withstand:
- Continuous vibration
- Mechanical bending
- Temperature variations
- Long-term industrial operation
Excellent Environmental Adaptability
The product provides reliable operation under harsh conditions including:
- Oil exposure
- Moisture
- Industrial contamination
- Temperature fluctuation
- Mechanical stress
Improved Measurement Accuracy
Stable signal transmission helps monitoring systems detect small changes in machinery operation.
Easy Installation and Replacement
The standardized extension cable design allows convenient installation and maintenance.
Supports Predictive Maintenance
Reliable monitoring information helps identify potential equipment issues early and reduces unexpected downtime.
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 |
|---|---|---|---|---|---|
| 330905-00-25-05-01-05 | Extension Cable Assembly | 25-meter proximity extension cable with shielded signal transmission | 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 industrial 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 monitoring |
| 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 monitoring |
| 330103-00-03-10-02-00 | Proximity Probe | 8 mm sensing tip precision probe | 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 monitoring |
| 330101-00-08-10-02-00 | Proximity Probe | 8 mm sensing tip 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-CN is a 25-meter proximity probe extension cable assembly designed for the 3300 XL 8 mm Proximity Transducer System.
It provides reliable signal connection between proximity probes and monitoring equipment, ensuring accurate transmission of vibration, displacement, and shaft position information.
The extended cable length makes it suitable for large industrial rotating machinery where the sensor and monitoring equipment are installed at a significant distance.
With stable electrical performance, strong electromagnetic shielding, durable construction, and excellent industrial reliability, the product is suitable for turbines, compressors, generators, pumps, motors, and other critical rotating equipment.
The 330905-00-25-05-01-CN supports continuous machinery monitoring, early fault detection, predictive maintenance planning, reduced equipment downtime, and improved operational safety.