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- Bently Nevada
- 330904-00-12-10-01-CN
- 3300 XL NSv Proximity Probe
- USA
- 8 mm
- 0.17kg
- Xiamen, China
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Bently Nevada 330904-00-12-10-01-CN Proximity Probe Product Introduction, Technical Parameters and Application Guide
1. Product Introduction
The Bently Nevada 330904-00-12-10-01-CN 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 used for shaft vibration monitoring, displacement measurement, and machinery protection applications in industrial environments.
The probe adopts advanced eddy current sensing technology to achieve accurate non-contact measurement between the probe tip and the rotating shaft. The sensor detects the change in distance between the probe and the conductive shaft surface and converts this mechanical movement into a proportional electrical signal.
The 330904-00-12-10-01-CN is designed for applications that require reliable measurement accuracy, stable signal transmission, and long-term operation under demanding industrial conditions. It is commonly applied to critical rotating equipment such as steam turbines, gas turbines, compressors, generators, motors, and industrial pumps.
The probe continuously monitors shaft vibration, radial displacement, and axial position changes. By providing real-time machine condition information, it helps identify abnormal mechanical behavior, reduce unexpected equipment failures, and improve maintenance efficiency.
The compact 8 mm sensing structure provides installation flexibility and allows the probe to be used in locations where mounting space is limited. The robust industrial construction enables reliable operation under continuous vibration, temperature changes, and mechanical stress conditions.
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 Technology | Non-contact electromagnetic sensing |
| Main Function | Shaft vibration and displacement monitoring |
| Installation Method | Threaded mechanical mounting |
| Application Field | Rotating machinery condition monitoring |
| Typical Equipment | Turbines, compressors, generators, motors, pumps |
3. Model Number Explanation
The model number 330904-00-12-10-01-CN 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 identifier |
| 00 | Standard configuration code |
| 12 | Mechanical mounting configuration |
| 10 | Probe length configuration |
| 01 | Cable and connector configuration |
| CN | Special configuration identifier |
The configuration code defines the mechanical structure, installation style, cable arrangement, and special application requirements.
This configuration is suitable for industrial applications requiring accurate shaft displacement measurement and stable vibration monitoring performance.
4. Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330904-00-12-10-01-CN |
| 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 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, temperature variation, and mechanical stress |
| Calibration | Factory calibrated for monitoring system compatibility |
| Dimensions | Probe diameter approximately 8 mm; cylindrical probe structure; extended configuration length |
| Weight | Approximately 0.17 kg ( ) |
5. Product Structure and Working Principle
The 330904-00-12-10-01-CN consists of a sensing tip, protective metal 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 produces 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 variation in gap distance changes the electromagnetic field intensity. The probe converts this change into an electrical output signal proportional to the shaft displacement.
The monitoring system receives and processes the signal to evaluate the operating condition of the rotating machine.
The non-contact measurement design provides:
- No direct contact with rotating components.
- Reduced mechanical wear.
- Accurate measurement during high-speed operation.
- Stable signal output.
- Extended operating life.
6. Product Applications
6.1 Steam Turbine Monitoring
Steam turbines require accurate shaft monitoring to ensure safe and efficient operation.
The proximity probe is used for:
- Shaft vibration measurement.
- Rotor displacement monitoring.
- Turbine protection.
- Condition evaluation.
It helps identify:
- Rotor imbalance.
- Shaft misalignment.
- Bearing degradation.
- Excessive vibration conditions.
6.2 Gas Turbine Monitoring
Gas turbines operate under high-speed and high-temperature environments.
Applications include:
- Rotor position monitoring.
- Vibration analysis.
- Fault detection.
- Predictive maintenance.
6.3 Compressor Applications
Compressors require reliable monitoring systems to maintain continuous operation.
The probe supports:
- Shaft displacement measurement.
- Rotor movement analysis.
- Mechanical fault identification.
- Maintenance optimization.
6.4 Generator Monitoring
Generators require stable shaft condition monitoring.
Typical applications:
- Rotor displacement measurement.
- Shaft vibration monitoring.
- Mechanical stability evaluation.
- Protection system signal input.
6.5 Motor and Pump Applications
Industrial motors and pumps use proximity probes for condition monitoring.
Applications include:
- Shaft movement detection.
- Vibration monitoring.
- Alignment evaluation.
- Failure prevention.
7. Product Advantages
7.1 High Measurement Accuracy
The probe provides accurate shaft movement measurement.
Advantages:
- Detects small displacement changes.
- Improves machine fault diagnosis.
- Provides reliable operating information.
- Supports maintenance decisions.
7.2 Non-Contact Measurement Capability
The probe operates without physical contact with the rotating shaft.
Benefits:
- No friction damage.
- Reduced mechanical wear.
- Longer service life.
- Suitable for high-speed machinery.
7.3 Stable Signal Performance
The probe maintains reliable measurement output during long-term operation.
Advantages:
- Consistent monitoring data.
- Improved equipment analysis.
- Reliable performance under vibration.
- Suitable for continuous operation.
7.4 Flexible Installation Design
The 8 mm probe structure allows installation in various machinery environments.
Benefits:
- Compact size.
- Easy integration.
- Flexible mounting options.
- Suitable for restricted spaces.
7.5 Supports Predictive Maintenance
The probe provides continuous condition information.
Benefits:
- Reduces unexpected downtime.
- Improves equipment availability.
- Optimizes maintenance schedules.
- Enhances operational safety.
8. Recommended Same Series or Related Models
| Model | Product Series | Main Parameters | Dimensions | Weight kg ( ) | Application |
|---|---|---|---|---|---|
| 330904-00-12-10-01-00 | 3300 XL 8 mm Series | Similar 8 mm proximity probe standard configuration | Diameter 8 mm | 0.17 kg ( ) | General rotating equipment |
| 330904-00-10-10-01-05 | 3300 XL 8 mm Series | Extended configuration proximity probe | Diameter 8 mm | 0.16 kg ( ) | Turbine monitoring |
| 330904-00-09-10-02-RU | 3300 XL 8 mm Series | Industrial configuration probe | Diameter 8 mm | 0.17 kg ( ) | Critical machinery |
| 330904-00-07-10-02-05 | 3300 XL 8 mm Series | Shaft vibration monitoring probe | Diameter 8 mm | 0.17 kg ( ) | Compressor applications |
| 330904-00-06-05-01-00 | 3300 XL 8 mm Series | Compact standard probe | Diameter 8 mm | 0.15 kg ( ) | General 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, precision 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 monitoring applications | Diameter approximately 11 mm | 0.20 kg ( ) | Large rotating equipment |
| 3300 XL Extension Cable | 3300 XL Series | Extension cable for signal transmission | Various lengths | 0.25 kg ( ) | Remote sensor installation |
| 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 | 330904-00-12-10-01-CN |
| 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 330904-00-12-10-01-CN 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 advanced eddy current sensing technology.
The product combines high measurement accuracy, non-contact operation, compact mechanical design, stable signal performance, and strong industrial adaptability.
It is suitable for applications requiring continuous monitoring, machinery protection, and predictive maintenance.
The 330904-00-12-10-01-CN helps improve equipment reliability, reduce maintenance costs, prevent unexpected failures, and support safe and efficient operation of industrial rotating machinery.