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- Bently Nevada
- 330904-02-10-70-01-00
- 3300 XL NSv Proximity Probe
- USA
- 8 mm
- 0.17kg
- Xiamen, China
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Bently Nevada 330904-02-10-70-01-00 Proximity Probe Product Introduction, Technical Parameters and Application Guide
1. Product Introduction
The Bently Nevada 330904-02-10-70-01-00 is a high-performance proximity probe designed for accurate monitoring of rotating machinery operating conditions. It belongs to the 3300 XL 8 mm Proximity Transducer System Series, which is widely used for non-contact shaft vibration measurement, displacement monitoring, and machinery protection applications.
This proximity probe uses advanced eddy current sensing technology to measure the distance between the probe tip and the rotating shaft surface. The system detects changes in the electromagnetic field caused by shaft movement and converts these changes into a proportional electrical output signal.
The 330904-02-10-70-01-00 is designed for industrial environments where reliable monitoring, stable signal output, and long service life are required. It is commonly applied on critical rotating equipment including turbines, compressors, generators, motors, and pumps.
The probe provides continuous monitoring of shaft vibration, radial displacement, and axial position. Through accurate condition measurement, it helps identify abnormal mechanical behavior such as imbalance, misalignment, rotor movement, and bearing-related problems.
The 8 mm sensing design provides a balance between compact installation size and high measurement accuracy. It is suitable for machinery protection systems where dependable real-time monitoring is necessary.
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 Method | 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 330904-02-10-70-01-00 represents a specific configuration within the 3300 XL 8 mm proximity probe product family.
| Model Code | Description |
|---|---|
| 330904 | 3300 XL 8 mm proximity probe series identification |
| 02 | Probe configuration option |
| 10 | Probe length configuration |
| 70 | Mechanical and application configuration identifier |
| 01 | Cable and connection configuration |
| 00 | Standard option configuration |
The model configuration defines the mechanical design, probe arrangement, cable structure, and installation characteristics.
This configuration is suitable for applications requiring accurate shaft movement measurement and continuous machinery monitoring.
4. Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330904-02-10-70-01-00 |
| 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 |
| Target Material | 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 monitoring |
| 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 mechanical mounting |
| Environmental Capability | Suitable for vibration, temperature variation, and industrial environments |
| Calibration | Factory calibrated for monitoring system compatibility |
| Dimensions | Probe diameter approximately 8 mm; cylindrical probe body structure; compact industrial design |
| Weight | Approximately 0.17 kg ( ) |
5. Product Structure and Working Principle
The 330904-02-10-70-01-00 consists of a sensing tip, protective metal housing, integrated cable assembly, and electrical connection interface.
The operating principle is based on eddy current sensing technology.
During operation, the probe generates a high-frequency electromagnetic field around the sensing tip. When the rotating shaft moves, the distance between the shaft surface and the probe changes.
The change in gap distance affects the electromagnetic field intensity. The probe converts this variation into an electrical signal that represents the shaft displacement.
The monitoring system analyzes the signal and provides information about machine operating conditions.
The non-contact measurement design provides:
- No direct mechanical contact with the shaft.
- Reduced wear and maintenance requirements.
- Reliable measurement during high-speed rotation.
- Stable signal transmission.
- Long operational lifetime.
6. Product Applications
6.1 Steam Turbine Monitoring
Steam turbines require accurate shaft monitoring to maintain safe operation.
The probe is used for:
- Rotor vibration measurement.
- Shaft displacement monitoring.
- Turbine protection.
- Mechanical condition analysis.
It helps identify:
- Rotor imbalance.
- Shaft misalignment.
- Bearing problems.
- Excessive vibration.
6.2 Gas Turbine Monitoring
Gas turbines require reliable monitoring because of their high operating speed and demanding environment.
Applications include:
- Rotor position measurement.
- Shaft vibration monitoring.
- Mechanical fault detection.
- Condition evaluation.
6.3 Compressor Applications
Compressors require continuous monitoring to avoid unexpected failures.
The probe supports:
- Shaft displacement measurement.
- Rotor movement analysis.
- Equipment performance evaluation.
- Maintenance planning.
6.4 Generator Applications
Generators use proximity monitoring systems to maintain stable operation.
Applications include:
- Rotor position monitoring.
- Shaft vibration measurement.
- Mechanical stability evaluation.
- Protection system feedback.
6.5 Motor and Pump Applications
Industrial motors and pumps benefit from continuous shaft monitoring.
Applications include:
- Shaft movement detection.
- Vibration trend monitoring.
- Alignment checking.
- Equipment protection.
7. Product Advantages
7.1 High Measurement Precision
The probe provides accurate shaft displacement measurement.
Advantages:
- Detects small movement changes.
- Improves equipment diagnosis.
- Provides reliable monitoring information.
- Supports predictive maintenance.
7.2 Non-Contact Measurement Technology
The probe operates without physical contact with rotating components.
Benefits:
- No mechanical friction.
- Reduced component damage.
- Suitable for high-speed machinery.
- Extended service life.
7.3 Reliable Signal Stability
The probe provides consistent output during continuous operation.
Advantages:
- Stable measurement results.
- Improved vibration analysis.
- Reliable long-term operation.
- Reduced monitoring errors.
7.4 Compact and Flexible Installation
The 8 mm sensing structure allows installation in limited spaces.
Benefits:
- Small mounting requirement.
- Easy integration into monitoring systems.
- Flexible installation options.
- Suitable for various machine designs.
7.5 Improved Equipment Protection
The probe supports continuous machine condition monitoring.
Benefits:
- Reduces unexpected downtime.
- Improves operational reliability.
- Helps optimize maintenance schedules.
- Enhances equipment safety.
8. Recommended Same Series or Related Models
| Model | Product Series | Main Parameters | Dimensions | Weight kg ( ) | Application |
|---|---|---|---|---|---|
| 330904-02-10-70-01-05 | 3300 XL 8 mm Series | Similar 8 mm proximity probe configuration | Diameter 8 mm | 0.17 kg ( ) | General rotating machinery |
| 330904-00-10-10-01-05 | 3300 XL 8 mm Series | Standard displacement monitoring probe | Diameter 8 mm | 0.16 kg ( ) | Compressor monitoring |
| 330904-00-12-10-01-CN | 3300 XL 8 mm Series | Industrial configuration probe | Diameter 8 mm | 0.17 kg ( ) | Turbine monitoring |
| 330904-00-18-10-01-05 | 3300 XL 8 mm Series | Precision shaft monitoring probe | Diameter 8 mm | 0.17 kg ( ) | Critical equipment |
| 330904-00-25-10-01-00 | 3300 XL 8 mm Series | Extended configuration probe | Diameter 8 mm | 0.17 kg ( ) | Industrial machinery monitoring |
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 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 ( ) | Large rotating equipment |
| 3300 XL Extension Cable | 3300 XL Series | Signal extension cable for remote installation | Various lengths | 0.25 kg ( ) | Monitoring system connection |
| 3500/42M Proximity Monitor | 3500 Machinery Protection System Series | Multi-channel vibration and displacement monitoring | Standard rack module | 1.20 kg ( ) | Machinery protection |
| 3500/25 Enhanced Keyphasor Module | 3500 Machinery Protection System Series | Rotor speed and phase reference monitoring | Standard rack size | 0.90 kg ( ) | Speed and phase monitoring |
10. Product Selection Guide
| Application Requirement | Recommended Model |
|---|---|
| Standard shaft vibration monitoring | 330904-02-10-70-01-00 |
| Turbine monitoring | 3300 XL 8 mm Proximity Probe Series |
| Compressor displacement measurement | 3300 XL 8 mm Series |
| Remote sensor installation | 3300 XL Extension Cable Series |
| Complete machinery protection | 3500 Machinery Protection System Series |
11. Product Summary
The Bently Nevada 330904-02-10-70-01-00 is a precision proximity probe designed for reliable monitoring of critical rotating machinery.
As a member of the 3300 XL 8 mm Proximity Transducer System Series, it provides accurate shaft vibration and displacement measurement through proven eddy current sensing technology.
The product combines high measurement accuracy, non-contact operation, compact structure, stable signal performance, and strong industrial adaptability.
It is suitable for applications requiring continuous machine monitoring, equipment protection, and predictive maintenance.
The 330904-02-10-70-01-00 helps improve machinery reliability, reduce maintenance requirements, prevent unexpected failures, and support safe operation of industrial rotating equipment.