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- 990-05-50-02-05
- Vibration Transmitter
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Bently Nevada 990-05-50-02-05 Proximity Transducer System Product Introduction, Technical Parameters, Applications and Advantages
1. Product Overview
Model: 990-05-50-02-05
The Bently Nevada 990-05-50-02-05 is a compact proximity transducer system designed for continuous monitoring of rotating machinery operating conditions. It is mainly used to measure shaft vibration, radial displacement, and relative shaft movement in industrial rotating equipment.
This model belongs to the 990 Series Proximity Transducer System, which is designed for machinery condition monitoring applications requiring accurate shaft measurement, reliable signal transmission, and long-term operational stability.
The 990-05-50-02-05 adopts eddy current non-contact sensing technology. The proximity probe detects changes in the electromagnetic field between the probe tip and the rotating shaft surface. These changes are converted into electrical signals that represent shaft displacement and vibration movement.
The 5 mm compact probe design provides installation flexibility, especially for equipment where mounting space is restricted.
The product is suitable for monitoring:
- Small and medium turbines
- Compressors
- Pumps
- Motors
- Generators
- High-speed rotating equipment
- Industrial machinery with limited installation space
The system provides important operating information for equipment protection, condition analysis, and predictive maintenance.
2. Brand Information
Brand: Bently Nevada
Bently Nevada is an industrial machinery monitoring brand specializing in rotating equipment condition monitoring, vibration measurement, and machinery protection technologies.
The product family focuses on improving equipment reliability by providing accurate information about rotating machinery operating conditions.
Main product categories include:
- Proximity transducer systems
- Shaft vibration monitoring sensors
- Machinery protection modules
- Condition monitoring instruments
Typical industrial applications include:
- Power generation equipment
- Petrochemical machinery
- Oil and gas systems
- Industrial production equipment
- Heavy rotating machinery
The products are designed for continuous industrial operation where measurement accuracy and reliability are important.
3. Product Series Information
Product Series: 990 Series Proximity Transducer System
The 990 Series is an industrial proximity measurement product family designed for direct shaft vibration and displacement monitoring.
Unlike traditional vibration sensors that measure only machine housing movement, proximity transducer systems directly measure shaft movement relative to the sensor.
Main functions include:
- Shaft vibration measurement
- Radial displacement monitoring
- Rotor position analysis
- Machinery condition evaluation
The 990 Series provides:
- Accurate shaft measurement
- Non-contact sensing
- Stable signal output
- Long service life
- Low maintenance operation
The series is commonly used in applications requiring continuous monitoring of critical rotating equipment.
4. Product Description
The 990-05-50-02-05 is a compact proximity transducer system designed for precise measurement of rotating shaft movement.
The system uses a 5 mm sensing probe configuration, providing a smaller physical footprint compared with standard larger proximity probe systems.
The product measures the distance between the probe tip and the rotating shaft surface.
The measured information can be used for:
- Shaft vibration analysis
- Rotor stability monitoring
- Mechanical condition evaluation
- Equipment protection
The product is designed for applications where accurate shaft measurement is required but available installation space is limited.
Its compact structure allows easier integration into smaller rotating machinery systems.
5. Working Principle
The 990-05-50-02-05 operates using eddy current sensing technology.
The proximity probe generates an electromagnetic field around the sensing area.
When the rotating shaft moves relative to the probe, the distance change affects the electromagnetic field.
The system converts these changes into electrical output signals proportional to shaft movement.
The monitoring equipment analyzes the signal to determine:
- Shaft vibration level
- Rotor displacement
- Mechanical stability
- Abnormal operating conditions
The non-contact measurement method provides several benefits:
- No physical wear between sensor and shaft
- Stable measurement performance
- High repeatability
- Long operating life
6. Product Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 990-05-50-02-05 |
| 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 | Machinery condition monitoring |
| Suitable Equipment | Compact 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 | Industrial environment operation |
| Dimensions | Approximate probe diameter 5 mm; overall length depends on configuration |
| Weight | Approximately 0.28 kg（kg） |
7. Detailed Product Specification
| Technical Item | Specification |
|---|---|
| Model Number | 990-05-50-02-05 |
| 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 position 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 Turbine Monitoring
The 990-05-50-02-05 is suitable for compact turbine systems requiring reliable shaft condition monitoring.
The system helps identify:
- Shaft vibration increase
- Rotor imbalance
- Shaft movement changes
- Mechanical instability
Continuous monitoring helps improve equipment reliability and reduce unexpected shutdown risks.
8.2 Compressor Condition Monitoring
Compressors require accurate vibration monitoring because mechanical problems can affect production efficiency.
The product helps detect:
- Shaft displacement changes
- Rotor instability
- Mechanical alignment problems
- Abnormal vibration conditions
8.3 Pump Applications
Industrial pumps operate under different loads and speeds.
The system provides information about:
- Shaft movement
- Mechanical wear
- Rotating component condition
- Operating stability
8.4 Motor Monitoring
The compact probe design makes it suitable for motor applications.
Typical monitoring functions include:
- Shaft vibration measurement
- Equipment protection
- Maintenance planning
- Operating condition analysis
8.5 General Industrial Rotating Machinery
The product can be used in:
- Compact rotating machines
- High-speed mechanical systems
- Small industrial equipment
- Space-limited installations
9. Product Advantages
Compact 5 mm Probe Design
The compact probe structure allows installation in locations where standard sensors may not fit.
Advantages include:
- Reduced installation space requirement
- Flexible mounting options
- Easier equipment integration
Direct Shaft Measurement
The product measures shaft movement directly.
This provides more accurate information about rotor behavior compared with indirect measurement methods.
Non-Contact Measurement Technology
The sensor operates without touching the rotating shaft.
Benefits include:
- No mechanical wear
- Longer service life
- Stable measurement accuracy
- Reduced maintenance requirements
Reliable Industrial Performance
The product is designed for continuous operation in industrial environments.
It provides stable performance under:
- Mechanical vibration
- Temperature variation
- Long operating periods
Supports Predictive Maintenance
The system helps detect equipment problems before serious damage occurs.
Benefits include:
- Reduced downtime
- Improved maintenance scheduling
- Increased equipment availability
Flexible Application Capability
The compact design allows use across different types of rotating machinery.
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 proximity measurement | Industrial equipment monitoring | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-01-00 | Proximity Transducer System | 5 mm probe, displacement measurement | Compact machinery | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-70-02-05 | Proximity Transducer System | 5 mm probe, shaft movement monitoring | Rotating equipment | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-04-70-01-00 | Proximity Transducer System | 8 mm probe, standard shaft 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 for large rotating equipment | Heavy machinery monitoring | Approx. 11 mm probe diameter | Approx. 0.45 kg（kg） |
| 3500/42M Vibration Monitor Module | Machinery Monitoring Module | Multi-channel vibration monitoring and protection | Critical rotating equipment | Rack-mounted module structure | Approx. 0.80 kg（kg） |
| 3500/22M Interface Module | Communication Interface Module | Data acquisition and monitoring communication | 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 |
|---|---|---|---|---|---|
| 990-05-50-02-05 | 990 Series | Eddy Current Technology | Compact shaft monitoring system | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-02-01 | 990 Series | Eddy Current Technology | Compact displacement monitoring | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-01-CN | 990 Series | Eddy Current Technology | Compact vibration measurement | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-04-70-01-00 | 990 Series | Eddy Current Technology | Standard 8 mm proximity system | Approx. 8 mm probe diameter | Approx. 0.30 kg（kg） |
| 3300 XL 8 mm | 3300 XL Series | Eddy Current Technology | High precision shaft monitoring | Approx. 8 mm probe diameter | Approx. 0.35 kg（kg） |
13. Product Summary
The 990-05-50-02-05 proximity transducer system is a compact and reliable monitoring solution designed for rotating machinery applications.
As part of the 990 Series, it provides accurate shaft vibration and displacement measurement through eddy current non-contact sensing technology.
The main advantages include:
- Compact 5 mm probe structure
- Accurate shaft movement detection
- Non-contact operation
- Stable signal output
- Long service life
- Low maintenance requirements
The product is especially suitable for compact rotating equipment where installation space is limited but reliable shaft monitoring performance is required.
By continuously monitoring shaft movement and vibration conditions, the 990-05-50-02-05 helps improve equipment reliability, reduce unexpected failures, optimize maintenance planning, and support safe industrial operation.