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- Vibration Transmitter
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Bently Nevada 990-05-50-01-01 Proximity Transducer System Product Introduction, Technical Parameters, Applications and Advantages
1. Product Overview
Model: 990-05-50-01-01
The Bently Nevada 990-05-50-01-01 is an industrial proximity transducer system designed for monitoring the operating condition of rotating machinery. 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 and is designed for applications requiring accurate shaft position measurement, stable vibration monitoring, and reliable machinery protection.
The 990-05-50-01-01 uses eddy current non-contact sensing technology. The probe detects changes in the electromagnetic field generated between the probe tip and the rotating shaft surface. This allows the system to measure shaft movement without physical contact.
Compared with contact measurement methods, this design reduces mechanical wear and provides long-term measurement stability.
The product is commonly installed on:
- Steam turbines
- Gas turbines
- Compressors
- Pumps
- Motors
- Generators
- Industrial rotating equipment
The 990-05-50-01-01 is suitable for machinery condition monitoring applications where early detection of abnormal vibration and shaft movement is important.
2. Brand Information
Brand: Bently Nevada
Bently Nevada is an industrial machinery monitoring brand specializing in vibration measurement, rotating equipment protection, and condition monitoring technology.
The product family focuses on providing solutions for monitoring critical rotating machinery and improving equipment reliability.
Main product categories include:
- Proximity transducer systems
- Vibration monitoring sensors
- Machinery protection modules
- Condition monitoring instruments
Typical application industries include:
- Power generation
- Petrochemical plants
- Oil and gas facilities
- Industrial manufacturing
- Heavy machinery operations
The products are designed for continuous operation environments where equipment reliability and safe operation are essential.
3. Product Series Information
Product Series: 990 Series Proximity Transducer System
The 990 Series is an industrial proximity measurement product family developed for direct shaft movement monitoring.
The series uses eddy current sensing technology to provide accurate and reliable measurement of rotating shaft conditions.
Main measurement functions include:
- Shaft vibration monitoring
- Radial displacement measurement
- Rotor movement detection
- Machinery condition evaluation
The 990 Series provides:
- High measurement accuracy
- Stable signal output
- Non-contact operation
- Long service life
- Low maintenance requirements
The series is widely used in industrial machinery protection systems where accurate shaft information is required.
4. Product Description
The 990-05-50-01-01 is a compact proximity transducer system designed for precise monitoring of rotating equipment.
The system uses a smaller probe configuration compared with standard large diameter proximity systems, making it suitable for applications where installation space is limited.
The product measures the distance between the probe tip and rotating shaft surface.
It provides important operating information including:
- Shaft vibration amplitude
- Shaft position changes
- Rotor stability
- Mechanical condition
The product design allows reliable operation in industrial environments with continuous vibration and changing operating conditions.
It is suitable for equipment requiring accurate measurement while maintaining compact installation characteristics.
5. Working Principle
The 990-05-50-01-01 operates using eddy current proximity sensing technology.
The probe creates an electromagnetic field around the sensing tip.
When the rotating shaft moves relative to the probe, the distance change affects the electromagnetic field.
The system converts these changes into electrical signals proportional to shaft movement.
The monitoring equipment uses these signals to analyze:
- Rotor vibration
- Shaft displacement
- Mechanical stability
- Equipment operating condition
The non-contact measurement method provides:
- No direct mechanical contact
- Reduced wear
- Improved measurement reliability
- Long operating life
6. Product Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 990-05-50-01-01 |
| 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 |
| 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 |
| Compatible 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 | 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 | 990-05-50-01-01 |
| 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 | Threaded industrial 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 Small and Medium Turbine Monitoring
The 990-05-50-01-01 is suitable for turbine applications where installation space is limited.
It helps monitor:
- Shaft vibration
- Rotor movement
- Mechanical stability
- Operating condition changes
The system provides important information for preventing unexpected equipment problems.
8.2 Compressor Applications
Compressors require accurate monitoring to maintain stable operation.
The product helps detect:
- Shaft displacement changes
- Excessive vibration
- Rotor instability
- Mechanical wear
8.3 Pump Condition Monitoring
Industrial pumps often operate continuously under different loads.
The proximity system helps monitor:
- Shaft movement
- Vibration changes
- Rotating component condition
8.4 Motor Applications
Small and medium motors require reliable condition monitoring.
The product provides information for:
- Maintenance planning
- Equipment protection
- Operating analysis
8.5 General Rotating Machinery Monitoring
The compact design makes it suitable for applications where a smaller sensor configuration is preferred.
Typical equipment includes:
- Small turbines
- High-speed motors
- Compact compressors
- Industrial rotating assemblies
9. Product Advantages
Compact Installation Design
The 5 mm probe configuration provides advantages where installation space is limited.
Benefits include:
- Easier installation
- Flexible mounting options
- Suitable for compact machinery
Accurate Shaft Measurement
The product directly measures shaft movement and provides detailed rotor condition information.
This improves machinery monitoring accuracy.
Non-Contact Operation
The sensor does not touch the rotating shaft.
Advantages include:
- Reduced mechanical wear
- Longer operating life
- Stable measurement performance
Reliable Signal Performance
The product provides consistent output signals for machinery analysis.
This supports accurate condition monitoring.
Low Maintenance Requirement
Because the sensor operates without physical contact, maintenance requirements are reduced.
Supports Predictive Maintenance
The product helps users identify abnormal conditions before major equipment damage occurs.
Benefits include:
- Reduced downtime
- Better maintenance scheduling
- Improved equipment reliability
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 monitoring | Small rotating machinery | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-70-01-01 | Proximity Transducer System | 5 mm probe, vibration measurement | Compact industrial equipment | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-70-02-05 | Proximity Transducer System | 5 mm probe, displacement monitoring | Rotating machinery | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-04-70-01-00 | Proximity Transducer System | 8 mm standard probe system | Turbines and compressors | Approx. 8 mm probe diameter | Approx. 0.30 kg（kg） |
| 3300 XL 8 mm Proximity Probe System | Proximity Sensor System | 8 mm high accuracy measurement | Critical machinery monitoring | Approx. 8 mm probe diameter | Approx. 0.35 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 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 equipment | 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 module design | Approx. 0.80 kg（kg） |
| 3500/22M Interface Module | Communication Interface Module | Monitoring communication and data processing | 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 design | Approx. 0.50 kg（kg） |
12. Product Comparison Table
| Model | Series | Technology | Main Feature | Dimensions | Weight |
|---|---|---|---|---|---|
| 990-05-50-01-01 | 990 Series | Eddy Current Technology | Compact shaft monitoring solution | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-50-01-00 | 990 Series | Eddy Current Technology | Compact proximity measurement | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-70-01-01 | 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 shaft monitoring | Approx. 8 mm probe diameter | Approx. 0.30 kg（kg） |
| 3300 XL 8 mm | 3300 XL Series | Eddy Current Technology | High precision proximity measurement | Approx. 8 mm probe diameter | Approx. 0.35 kg（kg） |
13. Product Summary
The 990-05-50-01-01 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 probe design
- Accurate shaft movement measurement
- Non-contact operation
- Stable signal output
- Long operating life
- Low maintenance requirements
The product is especially suitable for small and medium rotating equipment where installation space is limited but reliable shaft monitoring is still required.
Through continuous monitoring of shaft movement and vibration conditions, the 990-05-50-01-01 helps improve equipment reliability, reduce unexpected failures, and support efficient maintenance planning.