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Bently Nevada 990-05-50-02-01 Proximity Transducer System Product Introduction, Technical Parameters, Applications and Advantages
1. Product Overview
Model: 990-05-50-02-01
The Bently Nevada 990-05-50-02-01 is a compact industrial proximity transducer system designed for accurate monitoring of rotating machinery operating conditions. It is mainly used for measuring shaft vibration, radial displacement, and relative shaft movement in applications where installation space is limited but reliable monitoring performance is required.
This model belongs to the 990 Series Proximity Transducer System, a product family designed for machinery condition monitoring and rotating equipment protection.
The 990-05-50-02-01 uses eddy current non-contact sensing technology. The system detects the distance between the probe tip and the rotating shaft by measuring changes in electromagnetic fields. Because the probe does not physically contact the rotating shaft, the system provides stable measurement performance and long operating life.
The compact 5 mm probe configuration makes this model suitable for smaller rotating equipment and applications requiring flexible installation.
Typical applications include:
- Small and medium turbines
- Compact compressors
- Pumps
- Motors
- Generators
- High-speed rotating machinery
The product provides continuous shaft condition information and supports early detection of mechanical problems.
2. Brand Information
Brand: Bently Nevada
Bently Nevada is an industrial machinery monitoring brand specializing in rotating equipment protection, vibration measurement, and condition monitoring solutions.
The product range focuses on improving machinery reliability and reducing unexpected equipment downtime.
Main product categories include:
- Proximity transducer systems
- Shaft vibration monitoring sensors
- Machinery protection modules
- Condition monitoring devices
Typical industries include:
- Power generation
- Petrochemical processing
- Oil and gas equipment
- Industrial manufacturing
- Heavy rotating machinery
The products are designed for applications where accurate measurement, stable operation, and long-term reliability are required.
3. Product Series Information
Product Series: 990 Series Proximity Transducer System
The 990 Series is an industrial proximity measurement product family designed for direct measurement of rotating shaft movement.
The series uses eddy current technology to measure shaft displacement without physical contact.
Main functions include:
- Shaft vibration measurement
- Radial position monitoring
- Rotor movement analysis
- Machinery condition evaluation
The 990 Series provides:
- High measurement accuracy
- Stable output signals
- Non-contact sensing capability
- Long service life
- Low maintenance requirements
The series is widely used for monitoring critical rotating equipment where accurate shaft information is required.
4. Product Description
The 990-05-50-02-01 is a compact proximity transducer system designed for monitoring shaft movement in rotating machinery.
The product uses a 5 mm sensing probe design, providing a smaller physical size compared with standard 8 mm proximity probe configurations.
This compact structure allows easier installation in equipment where available mounting space is restricted.
The system measures the relative distance between the probe and the rotating shaft surface.
It provides important information including:
- Shaft vibration level
- Shaft position changes
- Rotor operating stability
- Mechanical condition
The product is suitable for applications requiring accurate shaft measurement while maintaining compact installation characteristics.
5. Working Principle
The 990-05-50-02-01 operates using eddy current proximity sensing technology.
The probe generates an electromagnetic field near the rotating shaft surface.
When the shaft position changes, the distance between the shaft and the probe changes the electromagnetic field.
The system converts these changes into electrical signals representing shaft movement.
The monitoring equipment uses these signals to analyze:
- Shaft vibration
- Rotor displacement
- Mechanical stability
- Equipment operating condition
The non-contact sensing method provides:
- No physical contact wear
- Improved measurement stability
- High repeatability
- Long operating service life
6. Product Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 990-05-50-02-01 |
| Product Type | Proximity Transducer System |
| Product Series | 990 Series |
| Brand | Bently Nevada |
| Sensor Technology | Eddy Current Non-Contact Measurement |
| Probe Type | Compact Proximity Probe |
| Measurement Function | Shaft vibration and displacement monitoring |
| Probe Diameter | Approximately 5 mm |
| Configuration Type | Compact industrial configuration |
| Installation Method | Threaded mounting installation |
| Detection Principle | Electromagnetic displacement measurement |
| Measurement Target | Rotating shaft surface |
| Signal Output | Dynamic displacement signal |
| Application Type | Rotating machinery condition monitoring |
| Suitable Equipment | Small and medium rotating machinery |
| Cable Configuration | Extension cable assembly |
| Housing Material | Industrial metal construction |
| Operating Temperature | Approximately -35°C to +177°C depending on installation conditions |
| Accuracy | High precision shaft movement measurement |
| Environmental Capability | Suitable for industrial environments |
| Dimensions | Approximate probe diameter 5 mm; overall length depends on cable configuration |
| Weight | Approximately 0.28 kg（kg） |
7. Detailed Product Specification
| Technical Item | Specification |
|---|---|
| Model Number | 990-05-50-02-01 |
| Product Series | 990 Series |
| Product Category | Machinery Condition Monitoring Sensor |
| Measurement Technology | Eddy Current Proximity Sensing |
| Probe Type | Compact non-contact displacement probe |
| Probe Diameter | Approx. 5 mm |
| Measurement Object | Rotating shaft surface |
| Main Function | Shaft vibration and displacement monitoring |
| Installation Style | Industrial threaded mounting |
| Cable Type | Flexible extension cable |
| Signal Type | Dynamic vibration displacement output |
| Operating Temperature Range | Approx. -35°C to +177°C |
| Housing Structure | Industrial metal housing |
| Application Environment | Rotating machinery monitoring |
| Maintenance Requirement | Low maintenance |
| Dimensions | Approx. 5 mm probe diameter; length varies according to configuration |
| Weight | Approx. 0.28 kg（kg） |
8. Product Applications
8.1 Compact Turbine Monitoring
The 990-05-50-02-01 is suitable for smaller turbine systems where accurate shaft condition monitoring is required.
It helps detect:
- Rotor imbalance
- Shaft vibration changes
- Mechanical instability
- Abnormal shaft movement
Continuous monitoring helps improve turbine reliability and supports preventive maintenance.
8.2 Compressor Monitoring
Compact compressors require reliable monitoring because vibration problems can affect equipment performance.
The product helps monitor:
- Shaft displacement
- Rotor movement
- Mechanical alignment
- Operating stability
8.3 Pump Applications
Industrial pumps often operate continuously under changing loads.
The system helps detect:
- Excessive shaft vibration
- Mechanical wear
- Rotating component problems
- Operating condition changes
8.4 Motor Monitoring
The compact design makes the product suitable for smaller motors requiring shaft monitoring.
Applications include:
- Equipment protection
- Condition evaluation
- Maintenance planning
8.5 General Rotating Machinery Monitoring
The product is suitable for:
- Compact rotating equipment
- Small industrial machines
- High-speed mechanical systems
- Limited-space installations
9. Product Advantages
Compact Probe Design
The 5 mm probe structure provides installation flexibility.
Advantages include:
- Small installation footprint
- Easier mechanical integration
- Suitable for compact equipment
Accurate Shaft Measurement
The product directly measures shaft movement.
This provides detailed information about rotor operation and improves condition monitoring accuracy.
Non-Contact Measurement
The probe does not touch the rotating shaft.
Benefits include:
- Reduced mechanical wear
- Longer service life
- Stable measurement performance
Stable Signal Output
The system provides reliable measurement signals for machinery analysis.
This supports accurate fault detection and condition evaluation.
Strong Environmental Adaptability
The product can operate in industrial environments with:
- Mechanical vibration
- Temperature variation
- Continuous operation requirements
Supports Predictive Maintenance
The system helps identify developing problems before serious equipment failure occurs.
Benefits include:
- Reduced downtime
- Improved maintenance efficiency
- Increased equipment reliability
10. Recommended Same Series or Related Models
| Model | Product Type | Main Parameters | Application | Dimensions | Weight |
|---|---|---|---|---|---|
| 990-05-50-01-01 | Proximity Transducer System | 5 mm probe, compact shaft vibration monitoring | Small rotating machinery | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-01-CN | Proximity Transducer System | 5 mm compact probe, vibration and displacement monitoring | Industrial equipment | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-01-00 | Proximity Transducer System | 5 mm probe, compact proximity measurement | Rotating machinery | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-70-02-05 | Proximity Transducer System | 5 mm probe, shaft displacement measurement | Compact rotating equipment | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-04-70-01-00 | Proximity Transducer System | 8 mm standard probe, general monitoring | Turbines and compressors | Approx. 8 mm probe diameter | Approx. 0.30 kg（kg） |
11. Recommended Popular Models From The Same Brand
| Model | Product Type | Main Parameters | Application | Dimensions | Weight |
|---|---|---|---|---|---|
| 3300 XL 8 mm 330101 Series | Proximity Probe | 8 mm sensing diameter, high accuracy shaft vibration measurement | Turbines and compressors | Approx. 8 mm probe diameter | Approx. 0.35 kg（kg） |
| 3300 XL 11 mm Proximity Probe System | Large Shaft Proximity Probe | 11 mm sensing diameter, large equipment monitoring | Heavy rotating machinery | Approx. 11 mm probe diameter | Approx. 0.45 kg（kg） |
| 3500/42M Vibration Monitor Module | Machinery Monitoring Module | Multi-channel vibration monitoring and protection | Large rotating equipment | Rack-mounted structure | Approx. 0.80 kg（kg） |
| 3500/22M Interface Module | Communication Interface Module | Monitoring communication and data acquisition | Industrial monitoring systems | Standard rack module size | Approx. 1.00 kg（kg） |
| 1900/65A Machinery Monitoring System | Compact Monitoring Device | Multi-input vibration monitoring system | Small and medium machinery | Compact panel design | Approx. 0.50 kg（kg） |
12. Product Comparison Table
| Model | Series | Technology | Main Feature | Dimensions | Weight |
|---|---|---|---|---|---|
| 990-05-50-02-01 | 990 Series | Eddy Current Technology | Compact shaft monitoring solution | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-01-01 | 990 Series | Eddy Current Technology | Standard compact proximity monitoring | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-01-CN | 990 Series | Eddy Current Technology | Compact vibration monitoring configuration | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-04-70-01-00 | 990 Series | Eddy Current Technology | Standard 8 mm proximity measurement | Approx. 8 mm probe diameter | Approx. 0.30 kg（kg） |
| 3300 XL 8 mm | 3300 XL Series | Eddy Current Technology | High precision shaft measurement | Approx. 8 mm probe diameter | Approx. 0.35 kg（kg） |
13. Product Summary
The 990-05-50-02-01 proximity transducer system is a compact and reliable solution designed for rotating machinery condition monitoring.
As part of the 990 Series, it provides accurate shaft vibration and displacement measurement using eddy current non-contact sensing technology.
The main advantages include:
- Compact 5 mm probe design
- Accurate shaft movement detection
- Non-contact operation
- Stable signal performance
- Long service life
- Low maintenance requirements
The product is particularly suitable for smaller rotating equipment where installation space is limited but reliable shaft monitoring is required.
Through continuous measurement of shaft movement and vibration conditions, the 990-05-50-02-01 helps improve equipment reliability, reduce unexpected failures, optimize maintenance planning, and support stable industrial operation.