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Bently Nevada 990-05-50-03-00 Proximity Transducer System Product Introduction, Technical Parameters, Applications and Advantages
1. Product Overview
Model: 990-05-50-03-00
The Bently Nevada 990-05-50-03-00 is a compact industrial proximity transducer system designed for continuous monitoring of rotating machinery operating conditions. It is mainly used for measuring shaft vibration, radial displacement, and relative movement between the sensor probe and rotating shaft.
This model belongs to the 990 Series Proximity Transducer System, which is designed for machinery condition monitoring applications where accurate shaft measurement, reliable signal performance, and long-term operation are required.
The 990-05-50-03-00 uses eddy current non-contact sensing technology. The proximity probe detects the distance variation between the probe tip and the rotating shaft by monitoring changes in the electromagnetic field. The measured displacement information is converted into electrical signals for machinery monitoring systems.
The compact 5 mm probe configuration allows installation in locations where mounting space is limited. It provides reliable shaft monitoring capability while maintaining a small physical footprint.
The product is commonly used in:
- Small rotating machinery
- Compact turbines
- Compressors
- Pumps
- Motors
- Generators
- Industrial rotating equipment
The system helps users monitor equipment health, identify abnormal operating conditions, and improve maintenance planning.
2. Brand Information
Brand: Bently Nevada
Bently Nevada is an industrial machinery monitoring brand specializing in rotating equipment monitoring, vibration measurement, and machinery protection technology.
The product range focuses on providing reliable information about rotating equipment performance and operating condition.
Main product categories include:
- Proximity transducer systems
- Vibration monitoring sensors
- Machinery protection devices
- Condition monitoring instruments
Typical industrial applications include:
- Power generation systems
- Petrochemical equipment
- Oil and gas machinery
- Industrial manufacturing equipment
- Heavy rotating machinery
The products are designed for applications requiring accurate measurement, stable operation, and long-term reliability.
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 movement monitoring.
The series uses eddy current sensing technology to measure the relative distance between the sensor probe and rotating shaft surface without physical contact.
Main functions include:
- Shaft vibration measurement
- Radial displacement monitoring
- Rotor movement analysis
- Machinery condition evaluation
The main characteristics of the 990 Series include:
- High measurement accuracy
- Non-contact sensing technology
- Stable signal output
- Long operating life
- Low maintenance requirements
The series is widely used in rotating equipment where accurate shaft condition information is required.
4. Product Description
The 990-05-50-03-00 is a compact proximity transducer system designed for monitoring shaft movement in industrial rotating machinery.
The system uses a 5 mm sensing probe, which provides a compact solution for applications requiring precise measurement in limited installation spaces.
The product measures the distance between the probe and rotating shaft surface.
The measured information can be used to evaluate:
- Shaft vibration
- Rotor stability
- Mechanical alignment
- Equipment operating condition
The product configuration is suitable for machinery requiring continuous monitoring and reliable shaft measurement.
Its compact structure allows easier integration into smaller equipment systems while maintaining accurate measurement performance.
5. Working Principle
The 990-05-50-03-00 operates based on eddy current proximity measurement technology.
The probe generates a high-frequency electromagnetic field near the rotating shaft.
When the shaft moves closer or farther from the probe, the electromagnetic field changes.
The system converts these changes into electrical signals proportional to the shaft displacement.
The monitoring system processes these signals to determine:
- Shaft vibration amplitude
- Shaft position changes
- Rotor movement
- Mechanical condition
The non-contact measurement method provides:
- No mechanical wear
- Improved measurement stability
- High repeatability
- Long service life
6. Product Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 990-05-50-03-00 |
| 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 configuration |
| Weight | Approximately 0.28 kg（kg） |
7. Detailed Product Specification
| Technical Item | Specification |
|---|---|
| Model Number | 990-05-50-03-00 |
| 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 990-05-50-03-00 is suitable for compact turbine systems requiring accurate shaft monitoring.
It helps detect:
- Shaft vibration changes
- Rotor imbalance
- Mechanical instability
- Abnormal shaft movement
Continuous monitoring improves equipment reliability and supports preventive maintenance strategies.
8.2 Compressor Monitoring
Compressors require reliable vibration monitoring to maintain stable operation.
The product helps identify:
- Shaft displacement changes
- Rotor movement problems
- Mechanical alignment issues
- Increasing vibration levels
8.3 Pump Condition Monitoring
Industrial pumps operate under different loads and conditions.
The proximity transducer system helps monitor:
- Shaft movement
- Mechanical wear
- Rotating component condition
- Operating stability
8.4 Motor Monitoring Applications
The compact design makes this model suitable for smaller motors.
Typical monitoring functions include:
- Shaft vibration analysis
- Equipment protection
- Maintenance planning
- Condition evaluation
8.5 General Rotating Machinery
The product can be used in:
- Compact industrial machines
- High-speed rotating systems
- Small mechanical assemblies
- Space-limited equipment installations
9. Product Advantages
Compact Physical Design
The 5 mm probe design provides excellent installation flexibility.
Advantages include:
- Small installation footprint
- Easy integration
- Suitable for restricted mounting areas
Accurate Shaft Measurement
The product directly measures shaft movement, providing detailed information about rotor operating conditions.
This improves machinery analysis accuracy.
Non-Contact Sensing Technology
The probe operates without direct contact with rotating components.
Benefits include:
- No physical wear
- Long service life
- Stable measurement performance
- Reduced maintenance requirements
Reliable Industrial Operation
The product is designed for continuous industrial use.
It can maintain stable performance under:
- Mechanical vibration
- Temperature changes
- Long operating cycles
Predictive Maintenance Support
The system helps identify developing mechanical problems before major failures occur.
Benefits include:
- Reduced unexpected downtime
- Improved maintenance scheduling
- Increased equipment reliability
Flexible Installation Capability
The compact configuration allows application in various types of rotating equipment.
10. Recommended Same Series or Related Models
| Model | Product Type | Main Parameters | Application | Dimensions | Weight |
|---|---|---|---|---|---|
| 990-05-50-01-00 | Proximity Transducer System | 5 mm probe, compact shaft vibration monitoring | Small rotating machinery | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-01-01 | Proximity Transducer System | 5 mm probe, shaft displacement measurement | Compact equipment | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-02-01 | Proximity Transducer System | 5 mm probe, compact monitoring configuration | Rotating machinery | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-02-05 | Proximity Transducer System | 5 mm probe, displacement monitoring | Industrial machinery | 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, precision 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, heavy machinery monitoring | Large rotating equipment | 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 design | 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 | Small and medium machinery | Compact panel structure | Approx. 0.50 kg（kg） |
12. Product Comparison Table
| Model | Series | Technology | Main Feature | Dimensions | Weight |
|---|---|---|---|---|---|
| 990-05-50-03-00 | 990 Series | Eddy Current Technology | Compact shaft monitoring solution | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-02-05 | 990 Series | Eddy Current Technology | Compact displacement monitoring | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-02-01 | 990 Series | Eddy Current Technology | Compact vibration monitoring | 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 990-05-50-03-00 proximity transducer system is a compact and reliable monitoring solution designed for rotating machinery condition analysis.
As part of the 990 Series, it provides accurate shaft vibration and displacement measurement through eddy current non-contact sensing technology.
Main advantages include:
- Compact 5 mm probe design
- Accurate shaft movement detection
- Non-contact measurement operation
- Stable signal output
- Long operating life
- Low maintenance requirements
The product is especially suitable for small and medium rotating machinery where space limitations require a compact but reliable monitoring solution.
By continuously measuring shaft movement and vibration conditions, the 990-05-50-03-00 helps improve equipment reliability, reduce unexpected failures, optimize maintenance planning, and support stable industrial operation.