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- Bently Nevada
- 330904-00-09-10-02-RU
- 3300 XL NSv Proximity Probe
- USA
- 8 mm
- 0.17kg
- Xiamen, China
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Bently Nevada 330904-00-09-10-02-RU Proximity Probe Product Introduction, Technical Parameters and Application Guide
1. Product Introduction
The Bently Nevada 330904-00-09-10-02-RU is a high-precision proximity probe designed for continuous monitoring of rotating machinery operating conditions. It belongs to the 3300 XL 8 mm Proximity Transducer System Series, which is widely applied in industrial machinery monitoring, shaft vibration measurement, displacement detection, and equipment protection applications.
This proximity probe uses eddy current sensing technology to provide accurate non-contact measurement between the probe tip and the rotating shaft. By measuring changes in the gap between the probe and the conductive shaft surface, the sensor converts mechanical movement into a proportional electrical signal for monitoring and analysis.
The 330904-00-09-10-02-RU is designed for critical rotating equipment where high accuracy, stable operation, and long-term reliability are required. It is commonly installed on machines such as steam turbines, gas turbines, compressors, generators, motors, and industrial pumps.
The probe provides continuous information about shaft vibration and displacement conditions, helping maintenance personnel identify abnormal operating states before equipment damage occurs. It supports predictive maintenance programs by improving machine reliability, reducing unexpected shutdowns, and increasing operational safety.
The compact 8 mm probe design allows flexible installation in different machinery structures. Its rugged construction enables stable performance in industrial environments involving vibration, temperature changes, and continuous mechanical operation.
2. Product Brand and Series Information
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Product Series | 3300 XL 8 mm Proximity Transducer System Series |
| Product Category | Proximity Probe |
| Sensor Type | Eddy Current Displacement Sensor |
| Measurement Principle | Non-contact electromagnetic measurement |
| Main Function | Shaft vibration and displacement monitoring |
| Installation Method | Threaded mounting installation |
| Application Field | Rotating machinery condition monitoring |
| Typical Equipment | Turbines, compressors, generators, motors, pumps |
3. Model Number Explanation
The model number 330904-00-09-10-02-RU represents a specific configuration within the 3300 XL 8 mm proximity probe family.
| Model Code | Description |
|---|---|
| 330904 | 3300 XL 8 mm proximity probe family identification |
| 00 | Standard configuration identifier |
| 09 | Mechanical mounting configuration |
| 10 | Probe length option |
| 02 | Cable and connection configuration |
| RU | Special configuration identifier |
The configuration code defines the probe structure, mechanical installation method, cable arrangement, and special application requirements.
This configuration is suitable for applications requiring accurate shaft monitoring and stable operation in demanding industrial environments.
4. Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330904-00-09-10-02-RU |
| Product Type | Proximity Probe |
| Product Series | 3300 XL 8 mm Proximity Transducer System Series |
| Brand | Bently Nevada |
| Sensor Technology | Eddy current sensing technology |
| Measurement Principle | Non-contact displacement measurement |
| Probe Diameter | 8 mm |
| Measurement Target | Conductive rotating shaft surface |
| Measurement Function | Shaft vibration, radial displacement, axial position monitoring |
| Linear Measurement Range | Approximately 2 mm |
| Output Signal | Displacement proportional electrical output |
| Frequency Response | Suitable for dynamic vibration measurement |
| Operating Temperature Range | Approximately -35°C to +177°C |
| Storage Temperature Range | Approximately -50°C to +120°C |
| Probe Housing Material | Industrial corrosion-resistant metal housing |
| Cable Configuration | Integrated cable assembly |
| Connector Type | Industrial signal connector |
| Mounting Method | Threaded installation |
| Environmental Capability | Suitable for vibration, temperature variation, and industrial conditions |
| Calibration | Factory calibrated for monitoring system compatibility |
| Dimensions | Probe diameter approximately 8 mm; cylindrical probe structure; total length depends on configuration |
| Weight | Approximately 0.17 kg ( ) |
5. Product Structure and Working Principle
The 330904-00-09-10-02-RU consists of a sensing tip, protective metal housing, integrated cable assembly, and electrical connection interface.
The working principle is based on eddy current sensing technology.
When the probe is powered, it generates a high-frequency electromagnetic field near the sensing tip. When the rotating shaft moves, the distance between the shaft surface and the probe changes.
The variation in the gap changes the electromagnetic field intensity. The probe converts this change into an electrical signal proportional to the shaft displacement.
The monitoring system analyzes the signal to determine machine operating conditions and identify abnormal mechanical behavior.
The non-contact measurement method provides:
- No direct contact with rotating components.
- Reduced mechanical wear.
- Accurate high-speed measurement.
- Stable signal transmission.
- Long operating service life.
6. Product Applications
6.1 Steam Turbine Monitoring
Steam turbines require accurate shaft condition monitoring because rotor movement directly affects machine efficiency and safety.
The proximity probe is used for:
- Shaft vibration measurement.
- Rotor displacement monitoring.
- Turbine protection.
- Mechanical condition evaluation.
It helps identify:
- Rotor imbalance.
- Shaft misalignment.
- Bearing wear.
- Excessive vibration.
6.2 Gas Turbine Applications
Gas turbines operate under high-speed and high-temperature conditions.
The probe supports:
- Rotor position monitoring.
- Vibration analysis.
- Equipment protection.
- Predictive maintenance.
6.3 Compressor Monitoring
Compressors require reliable monitoring systems to maintain stable operation.
Applications include:
- Shaft displacement measurement.
- Rotor movement analysis.
- Mechanical fault detection.
- Maintenance planning.
6.4 Generator Monitoring
Generators require continuous shaft monitoring to maintain reliable operation.
Typical applications:
- Rotor displacement measurement.
- Shaft vibration monitoring.
- Mechanical stability analysis.
- Protection system input.
6.5 Motor and Pump Applications
Industrial motors and pumps use proximity monitoring to improve equipment reliability.
Applications include:
- Shaft movement detection.
- Vibration analysis.
- Alignment monitoring.
- Fault prevention.
7. Product Advantages
7.1 High Measurement Precision
The probe provides accurate measurement of shaft movement and vibration.
Advantages:
- Detects small mechanical changes.
- Improves fault diagnosis.
- Supports maintenance decisions.
- Enhances machine reliability.
7.2 Non-Contact Measurement Design
The sensor measures shaft movement without physical contact.
Benefits:
- No friction.
- Reduced mechanical damage.
- Longer operating life.
- Suitable for high-speed rotating equipment.
7.3 Reliable Industrial Performance
The probe maintains stable operation in demanding environments.
It performs reliably under:
- Continuous vibration.
- Temperature variation.
- Mechanical stress.
- Long operating periods.
7.4 Compact Mechanical Design
The 8 mm sensing structure provides installation flexibility.
Benefits:
- Small installation space requirement.
- Easy integration.
- Convenient replacement.
- Suitable for various machine designs.
7.5 Supports Predictive Maintenance
The probe provides continuous machine condition information.
Benefits:
- Reduced unexpected downtime.
- Improved equipment availability.
- Better maintenance planning.
- Increased operating safety.
8. Recommended Same Series or Related Models
| Model | Product Series | Main Parameters | Dimensions | Weight kg ( ) | Application |
|---|---|---|---|---|---|
| 330904-00-09-10-02-00 | 3300 XL 8 mm Series | Similar 8 mm proximity probe standard configuration | Diameter 8 mm | 0.17 kg ( ) | General rotating equipment |
| 330904-00-07-10-02-05 | 3300 XL 8 mm Series | 8 mm probe with different configuration | Diameter 8 mm | 0.17 kg ( ) | Turbine monitoring |
| 330904-00-06-05-01-00 | 3300 XL 8 mm Series | Standard short probe configuration | Diameter 8 mm | 0.15 kg ( ) | Compact installation |
| 330904-00-03-10-02-00 | 3300 XL 8 mm Series | Standard shaft displacement monitoring probe | Diameter 8 mm | 0.16 kg ( ) | Compressor applications |
| 330930-040-00-00 | 3300 XL Extension Cable Series | Extension cable for sensor signal transmission | Cable length varies | 0.25 kg ( ) | Remote installation |
9. Recommended Popular Models from the Same Brand
| Model | Product Series | Main Parameters | Dimensions | Weight kg ( ) | Application |
|---|---|---|---|---|---|
| 3300 XL 8 mm Proximity Probe | 3300 XL Series | 8 mm sensing element, high accuracy shaft displacement measurement | Diameter 8 mm | 0.15 kg ( ) | Turbines and compressors |
| 3300 XL 11 mm Proximity Probe | 3300 XL Series | Larger sensing diameter for special applications | Diameter approximately 11 mm | 0.20 kg ( ) | Heavy rotating machinery |
| 3300 XL Extension Cable | 3300 XL Series | Industrial signal extension cable | Various lengths | 0.25 kg ( ) | Remote sensor connection |
| 3500/42M Proximity Monitor | 3500 Machinery Protection System Series | Multi-channel vibration and displacement monitoring module | Standard rack structure | 1.20 kg ( ) | Machinery protection |
| 3500/25 Enhanced Keyphasor Module | 3500 Machinery Protection System Series | Rotor speed and phase reference monitoring module | Standard rack size | 0.90 kg ( ) | Speed and phase monitoring |
10. Product Selection Guide
| Application Requirement | Recommended Model |
|---|---|
| Standard shaft vibration monitoring | 330904-00-09-10-02-RU |
| General rotating machinery monitoring | 3300 XL 8 mm Proximity Probe Series |
| Turbine and compressor monitoring | 3300 XL 8 mm Probe Series |
| Remote sensor installation | 3300 XL Extension Cable Series |
| Complete machinery protection | 3500 Machinery Protection System Series |
11. Product Summary
The Bently Nevada 330904-00-09-10-02-RU is a precision proximity probe designed for accurate and reliable monitoring of critical rotating machinery.
As part of the 3300 XL 8 mm Proximity Transducer System Series, it provides stable shaft vibration and displacement measurement through advanced eddy current sensing technology.
The product combines accurate measurement capability, non-contact operation, compact design, stable signal performance, and strong industrial adaptability.
It is suitable for applications requiring continuous machine monitoring, equipment protection, and predictive maintenance.
The 330904-00-09-10-02-RU helps improve machinery reliability, reduce maintenance costs, prevent unexpected failures, and support safe and efficient operation of industrial rotating equipment.