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- 330905-00-25-05-02-00
- 3300 XL NSv Proximity Probe
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- 1.55kg
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Bently Nevada 330905-00-25-05-02-00 Proximity Extension Cable Product Detailed Introduction
1. Product Introduction
The Bently Nevada 330905-00-25-05-02-00 is a precision proximity probe extension cable assembly designed for use in a 3300 XL 8 mm Proximity Transducer System. It is an important connection component used between the proximity probe and the monitoring equipment, providing reliable signal transmission for vibration monitoring, shaft displacement measurement, and rotating machinery protection.
The extension cable is designed to maintain the electrical characteristics required by the proximity measurement system. It allows the proximity probe to be installed close to the rotating shaft while the monitoring equipment can be located at a more suitable distance, such as inside a control cabinet or machinery monitoring panel.
This model uses a 25-meter cable length configuration, providing extended installation capability for large industrial equipment. It is especially suitable for applications where the physical distance between the measurement location and monitoring equipment exceeds the standard cable range.
The 330905-00-25-05-02-00 is commonly used in critical rotating machinery applications, including steam turbines, gas turbines, compressors, generators, pumps, motors, and other high-value industrial equipment requiring continuous condition monitoring.
The product is designed for long-term operation in industrial environments where reliability and signal accuracy are important. It provides stable performance under conditions including mechanical vibration, temperature variation, oil contamination, electromagnetic interference, and continuous operating stress.
By ensuring reliable signal transmission from the proximity probe to the monitoring system, this extension cable supports accurate measurement of:
- Shaft vibration
- Radial displacement
- Axial movement
- Rotor position
- Machine operating condition
2. Product Basic Parameters
| Parameter | Specification |
|---|---|
| Model | 330905-00-25-05-02-00 |
| Product Type | Proximity Probe Extension Cable Assembly |
| Product Series | 3300 XL 8 mm Proximity Transducer System |
| Measurement Technology | Eddy Current Non-Contact Measurement Technology |
| Compatible Sensor 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 connection |
| Signal Type | Dynamic vibration and displacement signal |
| Main Function | Extending the electrical connection between probe and monitoring equipment |
| Measurement Application | Shaft vibration, displacement, and position monitoring |
| Operating Temperature Range | Approximately -34°C to +177°C |
| Cable Shielding | Multi-layer electromagnetic shielding structure |
| Installation Location | Between proximity probe and signal processing equipment |
| Environmental Protection | Resistant to vibration, oil, moisture, and industrial contamination |
| Mechanical Design | Flexible industrial-grade cable assembly |
| Signal Transmission Performance | Stable long-distance signal transmission |
| Dimensions | Length: 25000 mm × Cable diameter: approximately 5 mm |
| Weight | Approximately 1.55 kg |
| Application Field | Industrial rotating machinery monitoring |
| System Compatibility | 3300 XL proximity monitoring system |
3. Product Series Information
3300 XL 8 mm Proximity Transducer System
The 330905-00-25-05-02-00 belongs to the 3300 XL 8 mm Proximity Transducer System series.
This product series is designed for continuous monitoring of critical rotating machinery where accurate measurement of shaft vibration, displacement, and rotor position is required.
The system operates using eddy current sensing technology, which allows measurement without direct physical contact between the probe and the rotating shaft.
The non-contact measurement principle provides several important benefits:
- No mechanical wear between sensor and shaft
- Long service life
- High measurement repeatability
- Stable performance during continuous operation
- Accurate detection of small shaft movements
During operation, the proximity probe creates a high-frequency electromagnetic field near the rotating shaft surface.
When the shaft position changes due to mechanical vibration, rotor imbalance, bearing wear, thermal expansion, or alignment problems, the gap between the probe tip and shaft surface changes.
This variation modifies the electromagnetic field and produces an electrical signal proportional to the shaft movement.
The signal is transmitted through the extension cable to the monitoring equipment, where it is analyzed for machinery condition assessment.
The complete measurement system generally includes:
| Component | Function |
|---|---|
| Proximity Probe | Detects shaft movement and vibration |
| Extension Cable | Transfers measurement signals over distance |
| Signal Processing Unit | Converts and processes sensor output |
| Monitoring Module | Displays machine operating condition |
| Protection System | Provides alarms and equipment protection |
The 330905-00-25-05-02-00 provides a reliable long-distance connection solution for industrial machinery monitoring systems.
4. Product Working Principle
The 330905-00-25-05-02-00 works as a signal transmission element in an eddy current proximity measurement system.
The proximity probe generates an electromagnetic field around the shaft surface.
When the shaft moves, the distance between the probe tip and shaft changes.
The causes of shaft movement may include:
- Rotor imbalance
- Mechanical vibration
- Bearing deterioration
- Shaft misalignment
- Thermal growth
- Operating load changes
The proximity probe converts these physical changes into electrical signals.
The extension cable transfers the signals to the monitoring equipment while maintaining signal integrity.
The monitoring system analyzes the received information and determines the condition of the rotating equipment.
The collected data can be used for:
- Continuous machine monitoring
- Fault detection
- Preventive maintenance
- Equipment protection
- Operating performance evaluation
5. Product Applications
5.1 Steam Turbine Applications
Steam turbines require accurate monitoring of rotor vibration and shaft displacement because abnormal movement can lead to serious mechanical problems.
The 25-meter extension cable allows sensors to be installed near the turbine while monitoring equipment remains in a protected control area.
5.2 Gas Turbine Monitoring
Gas turbines operate under high-speed and high-temperature conditions.
The product provides stable signal transmission for vibration monitoring and turbine protection applications.
5.3 Compressor Monitoring
Large compressors require continuous vibration measurement to prevent unexpected failures.
The extended cable length allows flexible installation between the sensor location and monitoring equipment.
5.4 Generator Condition Monitoring
Generators require reliable monitoring of rotor vibration and shaft position.
The product supports accurate transmission of measurement signals for generator protection systems.
5.5 Petrochemical Equipment Monitoring
Rotating equipment used in petrochemical industries requires reliable operation under harsh environments.
The extension cable provides stable performance in conditions involving:
- Oil exposure
- Temperature changes
- Mechanical vibration
- Electrical interference
5.6 Industrial Rotating Machinery
Typical applications include:
- Centrifugal pumps
- Large motors
- Turbo machinery
- Fans
- Compressors
- Mechanical drive systems
The product improves equipment reliability through continuous condition monitoring.
6. Product Advantages
Extended Installation Distance
The 25-meter cable length provides additional flexibility for large machinery installations where the monitoring equipment is located away from the measurement point.
Reliable Signal Quality
The cable maintains stable transmission of proximity measurement signals, helping ensure accurate vibration and displacement analysis.
Effective Noise Reduction
The shielded cable construction reduces electromagnetic interference from surrounding electrical equipment.
High Mechanical Strength
The cable assembly is designed to withstand:
- Continuous vibration
- Mechanical movement
- Temperature variation
- Industrial operating conditions
Strong Environmental Resistance
The product provides reliable operation in environments containing:
- Oil
- Moisture
- Dust
- Industrial contaminants
Accurate Machinery Diagnosis
Stable signal transmission helps monitoring systems identify small changes in machine condition.
Easy System Integration
The standardized design allows convenient installation and replacement within compatible monitoring systems.
Supports Predictive Maintenance
The product helps maintenance teams detect abnormal operating conditions early and reduce unexpected equipment shutdowns.
7. Brand and Product Classification
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Product Category | Machinery Condition Monitoring Component |
| 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 | Proximity signal transmission |
| Application Area | Rotating machinery monitoring and protection |
8. Product Technical Features
| Feature | Description |
|---|---|
| Measurement Technology | Eddy current non-contact sensing |
| Cable Length | 25 meters |
| Cable Diameter | Approximately 5 mm |
| Signal Type | Vibration and displacement measurement signal |
| Cable Construction | Shielded coaxial design |
| Operating Temperature | Approximately -34°C to +177°C |
| Installation Method | Between probe and monitoring equipment |
| Mechanical Design | Flexible industrial cable structure |
| Maintenance Requirement | Low maintenance |
9. Recommended Same Series or Related Models
| Model | Product Type | Main Parameters | Dimensions | Weight (kg) | Application |
|---|---|---|---|---|---|
| 330905-00-25-05-01-05 | Proximity Extension Cable | 25-meter shielded extension cable | Length: 25000 mm × Diameter approx. 5 mm | Approx. 1.55 kg | Large rotating equipment |
| 330905-00-25-05-01-CN | Proximity Extension Cable | 25-meter extension cable assembly | Length: 25000 mm × Diameter approx. 5 mm | Approx. 1.55 kg | Machinery monitoring |
| 330905-00-21-05-02-CN | Proximity Extension Cable | 21-meter signal extension cable | Length: 21000 mm × Diameter approx. 5 mm | Approx. 1.35 kg | Turbine systems |
| 330905-00-20-10-02-00 | Proximity Extension Cable | 20-meter industrial extension cable | Length: 20000 mm × Diameter approx. 5 mm | Approx. 1.30 kg | Compressor applications |
| 330103-00-03-10-02-00 | Proximity Probe | 8 mm precision sensing 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 non-contact vibration measurement probe | 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 330905-00-25-05-02-00 is a 25-meter proximity probe extension cable assembly designed for the 3300 XL 8 mm Proximity Transducer System.
It provides a stable and reliable connection between the proximity probe and monitoring equipment, ensuring accurate transmission of vibration, displacement, and shaft position signals.
The extended cable length makes it suitable for large industrial rotating machinery where long-distance installation is required.
With reliable electrical performance, strong shielding capability, durable mechanical construction, and excellent industrial adaptability, this product is widely suitable for turbines, compressors, generators, pumps, motors, and other critical rotating equipment.
The 330905-00-25-05-02-00 supports continuous machinery monitoring, early fault detection, predictive maintenance strategies, reduced equipment downtime, improved operational reliability, and safer industrial operation.