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- Bently Nevada
- 330904-00-18-10-01-05
- 3300 XL NSv Proximity Probe
- USA
- 8 mm
- 0.17kg
- Xiamen, China
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Bently Nevada 330904-00-18-10-01-05 Proximity Probe Product Introduction, Technical Parameters and Application Guide
1. Product Introduction
The Bently Nevada 330904-00-18-10-01-05 is a 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 measurement, displacement monitoring, and machinery 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 detecting changes in the gap distance between the probe and the conductive shaft surface, the sensor converts mechanical movement into a proportional electrical signal.
The 330904-00-18-10-01-05 is designed for industrial applications that require stable measurement accuracy, long-term reliability, and excellent environmental adaptability. It is commonly installed on critical rotating machinery including steam turbines, gas turbines, compressors, generators, motors, and pumps.
The probe provides continuous monitoring of shaft vibration, radial displacement, and axial movement. Through real-time condition monitoring, it helps identify abnormal mechanical conditions, improve equipment reliability, reduce maintenance risks, and support predictive maintenance programs.
The 8 mm sensing element offers a combination of compact size and accurate measurement capability. The probe design allows installation in areas with limited space while maintaining excellent signal stability and measurement performance.
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 installation |
| Application Field | Rotating machinery condition monitoring |
| Typical Equipment | Turbines, compressors, generators, motors, pumps |
3. Model Number Explanation
The model number 330904-00-18-10-01-05 represents a specific configuration within the 3300 XL 8 mm proximity probe family.
| Model Code | Description |
|---|---|
| 330904 | 3300 XL 8 mm proximity probe series identifier |
| 00 | Standard configuration code |
| 18 | Mechanical configuration identifier |
| 10 | Probe length configuration |
| 01 | Cable and connector configuration |
| 05 | Special configuration option |
The model code defines the mechanical structure, mounting method, probe arrangement, cable configuration, and application characteristics.
This configuration is suitable for machinery requiring reliable shaft displacement monitoring and continuous vibration measurement.
4. Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330904-00-18-10-01-05 |
| 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 |
| 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 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 structure; extended configuration design |
| Weight | Approximately 0.17 kg ( ) |
5. Product Structure and Working Principle
The 330904-00-18-10-01-05 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 electrical power is supplied, the probe generates a high-frequency electromagnetic field around the sensing tip. When the rotating shaft moves relative to the probe, the gap between the shaft surface and the sensing element changes.
This gap variation changes the electromagnetic field intensity. The probe converts this change into an electrical output signal proportional to the shaft displacement.
The monitoring system processes this signal to determine machine operating conditions and identify possible mechanical problems.
The non-contact design provides:
- No direct contact with rotating parts.
- Minimal mechanical wear.
- Accurate measurement at high rotational speeds.
- Stable signal transmission.
- Long service life.
6. Product Applications
6.1 Steam Turbine Applications
Steam turbines require accurate shaft monitoring to maintain safe operation and improve efficiency.
The proximity probe is used for:
- Shaft vibration measurement.
- Rotor displacement monitoring.
- Turbine protection.
- Condition trend analysis.
It helps detect:
- Rotor imbalance.
- Shaft misalignment.
- Bearing wear.
- Excessive vibration.
6.2 Gas Turbine Applications
Gas turbines operate under demanding conditions with high speed and temperature.
Typical applications include:
- Rotor position measurement.
- Vibration monitoring.
- Mechanical condition analysis.
- Fault prediction.
6.3 Compressor Monitoring
Compressors require continuous monitoring to avoid unexpected shutdowns.
The probe supports:
- Shaft displacement measurement.
- Rotor movement detection.
- Mechanical performance evaluation.
- Maintenance planning.
6.4 Generator Monitoring
Generators use proximity measurement systems to maintain stable operation.
Applications include:
- Shaft vibration measurement.
- Rotor position monitoring.
- Mechanical stability evaluation.
- Protection system input.
6.5 Motor and Pump Monitoring
Industrial motors and pumps benefit from continuous shaft monitoring.
Applications include:
- Shaft movement detection.
- Vibration analysis.
- Alignment monitoring.
- Equipment protection.
7. Product Advantages
7.1 High Measurement Precision
The probe provides accurate measurement of shaft movement.
Advantages:
- Detects small displacement changes.
- Improves fault diagnosis.
- Provides reliable condition information.
- Supports maintenance decisions.
7.2 Non-Contact Sensing Design
The probe operates without touching the rotating shaft.
Benefits:
- No mechanical friction.
- Reduced component wear.
- Suitable for high-speed operation.
- Extended operating lifetime.
7.3 Excellent Signal Stability
The probe provides reliable signal output during continuous operation.
Advantages:
- Stable monitoring data.
- Accurate vibration analysis.
- Reliable performance under industrial conditions.
- Reduced measurement errors.
7.4 Compact Installation Structure
The 8 mm probe design provides installation flexibility.
Benefits:
- Small mounting space requirement.
- Easy system integration.
- Flexible installation options.
- Suitable for various equipment designs.
7.5 Improved Equipment Reliability
The probe supports condition-based maintenance.
Benefits:
- Reduces unexpected equipment failures.
- Improves machine availability.
- Optimizes maintenance schedules.
- Enhances operational safety.
8. Recommended Same Series or Related Models
| Model | Product Series | Main Parameters | Dimensions | Weight kg ( ) | Application |
|---|---|---|---|---|---|
| 330904-00-18-10-01-00 | 3300 XL 8 mm Series | Similar 8 mm proximity probe standard configuration | Diameter 8 mm | 0.17 kg ( ) | General machinery monitoring |
| 330904-00-12-10-01-CN | 3300 XL 8 mm Series | Extended configuration proximity probe | Diameter 8 mm | 0.17 kg ( ) | Industrial rotating equipment |
| 330904-00-10-10-01-05 | 3300 XL 8 mm Series | Precision shaft displacement probe | Diameter 8 mm | 0.16 kg ( ) | Turbine monitoring |
| 330904-00-09-10-02-RU | 3300 XL 8 mm Series | Industrial application probe | Diameter 8 mm | 0.17 kg ( ) | Compressor monitoring |
| 330904-00-07-10-02-05 | 3300 XL 8 mm Series | Standard vibration monitoring probe | Diameter 8 mm | 0.17 kg ( ) | Motor and pump 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 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 machinery 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 ( ) | Sensor connection systems |
| 3500/42M Proximity Monitor | 3500 Machinery Protection System Series | Multi-channel vibration and displacement monitoring module | Standard rack module | 1.20 kg ( ) | Machinery protection systems |
| 3500/25 Enhanced Keyphasor Module | 3500 Machinery Protection System Series | Rotor speed and phase reference measurement module | Standard rack size | 0.90 kg ( ) | Rotating speed monitoring |
10. Product Selection Guide
| Application Requirement | Recommended Model |
|---|---|
| Standard shaft vibration monitoring | 330904-00-18-10-01-05 |
| Turbine and compressor monitoring | 3300 XL 8 mm Proximity Probe Series |
| General rotating equipment monitoring | 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 330904-00-18-10-01-05 is a high-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 proven eddy current sensing technology.
The product combines precise measurement capability, non-contact operation, compact mechanical design, stable signal output, and strong industrial adaptability.
It is suitable for applications requiring continuous condition monitoring, machinery protection, and predictive maintenance.
The 330904-00-18-10-01-05 helps improve equipment reliability, reduce maintenance costs, prevent unexpected failures, and support safe and efficient operation of industrial rotating machinery.