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- 330904-00-07-10-01-05
- 3300 XL NSv Proximity Probe
- USA
- 8 mm
- 0.17kg
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Bently Nevada 330904-00-07-10-01-05 Proximity Probe Product Introduction, Technical Parameters and Application Guide
1. Product Introduction
The Bently Nevada 330904-00-07-10-01-05 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, a widely used industrial measurement platform for shaft vibration monitoring, displacement measurement, and machinery protection applications.
This proximity probe uses advanced eddy current sensing technology to perform accurate non-contact measurement between the probe tip and the rotating shaft. By detecting changes in the gap between the probe and the conductive shaft surface, the sensor generates an electrical output signal proportional to shaft movement.
The 330904-00-07-10-01-05 is designed for critical industrial equipment that requires reliable operation, accurate vibration measurement, and long-term monitoring capability. It is commonly installed on rotating machinery such as steam turbines, gas turbines, compressors, generators, motors, and industrial pumps.
The probe provides continuous monitoring of shaft vibration and displacement conditions, allowing operators to detect mechanical problems at an early stage. This helps improve equipment reliability, reduce unexpected downtime, and support predictive maintenance programs.
The compact 8 mm sensing structure provides installation flexibility, especially in applications where mounting space is limited. The robust construction allows stable operation under industrial conditions involving vibration, temperature variation, and continuous mechanical stress.
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 sensing |
| Main Function | Shaft vibration and displacement measurement |
| 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 330904-00-07-10-01-05 represents a specific configuration within the 3300 XL 8 mm proximity probe product family.
| Model Code | Description |
|---|---|
| 330904 | 3300 XL 8 mm proximity probe family identification |
| 00 | Standard configuration identifier |
| 07 | Mechanical mounting configuration |
| 10 | Probe length option |
| 01 | Cable and connector configuration |
| 05 | Special configuration identifier |
The configuration code defines the mechanical design, probe installation structure, cable arrangement, and system compatibility.
This configuration is suitable for applications requiring stable shaft displacement measurement and reliable vibration monitoring.
4. Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330904-00-07-10-01-05 |
| 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 industrial vibration and temperature environments |
| Calibration | Factory calibrated for monitoring system compatibility |
| Dimensions | Probe diameter approximately 8 mm; cylindrical probe structure; overall length depends on configuration |
| Weight | Approximately 0.17 kg ( ) |
5. Product Structure and Working Principle
The 330904-00-07-10-01-05 consists of a sensing tip, probe body, integrated cable assembly, and electrical connection interface.
The operating principle is based on eddy current sensing technology.
When the probe is energized, it creates a high-frequency electromagnetic field around the sensing tip. When the rotating shaft moves, the distance between the shaft surface and the probe changes.
This change affects the electromagnetic field intensity, and the probe converts the variation into an electrical signal proportional to the shaft displacement.
The monitoring system processes the signal and evaluates the machine operating condition.
The non-contact measurement method provides:
- No physical contact with rotating components.
- Reduced mechanical wear.
- Reliable operation at high speeds.
- Stable measurement accuracy.
- Long service life.
6. Product Applications
6.1 Steam Turbine Monitoring
Steam turbines require accurate shaft position and vibration monitoring to maintain safe operation.
The proximity probe is used for:
- Shaft vibration measurement.
- Rotor displacement monitoring.
- Turbine protection.
- Mechanical condition analysis.
It helps detect:
- Rotor imbalance.
- Shaft misalignment.
- Bearing wear.
- Excessive vibration levels.
6.2 Gas Turbine Applications
Gas turbines operate under demanding temperature and speed conditions.
The probe supports:
- Rotor position monitoring.
- Vibration trend analysis.
- Equipment protection.
- Preventive maintenance.
6.3 Compressor Monitoring
Compressors require continuous condition monitoring to ensure stable operation.
Applications include:
- Shaft displacement measurement.
- Rotor movement analysis.
- Mechanical fault identification.
- Maintenance planning.
6.4 Generator Monitoring
Generators require reliable shaft monitoring for efficient operation.
Typical applications:
- Rotor displacement monitoring.
- Shaft vibration measurement.
- Mechanical stability evaluation.
- Protection system signal input.
6.5 Motor and Pump Applications
Industrial motors and pumps benefit from continuous vibration monitoring.
Applications include:
- Shaft movement detection.
- Vibration analysis.
- Alignment monitoring.
- Fault prevention.
7. Product Advantages
7.1 Accurate Shaft Measurement
The probe provides precise measurement of shaft displacement and vibration.
Advantages:
- Detects small mechanical changes.
- Improves fault diagnosis.
- Supports maintenance decisions.
- Enhances equipment reliability.
7.2 Non-Contact Operation
The probe measures shaft movement without physical contact.
Benefits:
- No mechanical friction.
- Reduced component wear.
- Longer operating life.
- Suitable for high-speed rotating machinery.
7.3 Reliable Industrial Performance
The product is designed for long-term industrial use.
It maintains stable performance under:
- Continuous vibration.
- Temperature changes.
- Heavy mechanical loads.
- Extended operating periods.
7.4 Flexible Installation
The 8 mm probe design provides installation convenience.
Benefits include:
- Compact structure.
- Suitable for limited installation spaces.
- Easy integration into monitoring systems.
- Convenient replacement.
7.5 Supports Condition-Based Maintenance
The probe provides continuous operating information.
Benefits include:
- Reduced unexpected failures.
- Improved machine availability.
- Optimized maintenance planning.
- Increased operational safety.
8. Recommended Same Series or Related Models
| Model | Product Series | Main Parameters | Dimensions | Weight kg ( ) | Application |
|---|---|---|---|---|---|
| 330904-00-07-05-01-05 | 3300 XL 8 mm Series | Similar 8 mm probe with shorter configuration | Diameter 8 mm | 0.15 kg ( ) | Compact machinery monitoring |
| 330904-00-06-05-01-00 | 3300 XL 8 mm Series | Standard 8 mm proximity probe configuration | Diameter 8 mm | 0.15 kg ( ) | General rotating equipment |
| 330904-00-03-10-02-00 | 3300 XL 8 mm Series | Standard shaft monitoring probe | Diameter 8 mm | 0.16 kg ( ) | Turbine and compressor applications |
| 330903-09-21-05-02-00 | 3300 XL 8 mm Series | Industrial vibration monitoring probe | Diameter 8 mm | 0.15 kg ( ) | Critical machinery |
| 330930-040-00-00 | 3300 XL Extension Cable Series | Signal extension cable for proximity systems | 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, accurate 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 monitoring requirements | Diameter approximately 11 mm | 0.20 kg ( ) | Heavy rotating machinery |
| 3300 XL Extension Cable | 3300 XL Series | Industrial extension cable for stable signal transmission | 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 measurement module | Standard rack size | 0.90 kg ( ) | Speed and phase monitoring |
10. Product Selection Guide
| Application Requirement | Recommended Model |
|---|---|
| Standard shaft vibration monitoring | 330904-00-07-10-01-05 |
| General rotating machinery monitoring | 3300 XL 8 mm Proximity Probe Series |
| High-speed turbine 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 330904-00-07-10-01-05 is a precision proximity probe designed for reliable monitoring of critical rotating machinery.
As part of the 3300 XL 8 mm Proximity Transducer System Series, it provides accurate shaft vibration and displacement measurement through 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 monitoring, machinery protection, and predictive maintenance.
The 330904-00-07-10-01-05 helps improve equipment reliability, reduce maintenance costs, prevent unexpected failures, and support safe and efficient operation of industrial rotating equipment.