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Bently Nevada 990-05-50-01-CN Proximity Transducer System Product Introduction, Technical Parameters, Applications and Advantages
1. Product Overview
Model: 990-05-50-01-CN
The Bently Nevada 990-05-50-01-CN is a compact 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, which is designed for machinery condition monitoring, rotating equipment protection, and predictive maintenance applications.
The 990-05-50-01-CN adopts eddy current non-contact measurement technology. The probe detects changes in the electromagnetic field between the probe tip and the rotating shaft surface. This allows accurate measurement of shaft movement without physical contact.
The compact 5 mm probe design makes this model suitable for applications where installation space is limited while accurate shaft monitoring performance is still required.
The product is widely used in:
- Small and medium rotating machinery
- Compact turbines
- Pumps
- Motors
- Compressors
- Industrial rotating assemblies
The system provides reliable operating condition information and helps users identify abnormal mechanical conditions before serious equipment problems occur.
2. Brand Information
Brand: Bently Nevada
Bently Nevada is an industrial machinery monitoring brand specializing in vibration measurement, rotating equipment protection, and condition monitoring solutions.
The product family focuses on improving the reliability and operational safety of critical rotating machinery.
Main product categories include:
- Proximity transducer systems
- Shaft vibration monitoring sensors
- Machinery protection modules
- Condition monitoring equipment
Typical industrial applications include:
- Power generation equipment
- Petrochemical machinery
- Oil and gas systems
- Manufacturing equipment
- Industrial rotating machinery
The products are designed for continuous monitoring environments where accurate measurement and reliable operation 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 monitoring of rotating shaft movement.
The series uses eddy current sensing technology to measure the distance between the probe and the rotating shaft without physical contact.
Main functions include:
- Shaft vibration measurement
- Radial displacement monitoring
- Rotor movement detection
- Mechanical condition analysis
The 990 Series provides:
- Accurate measurement capability
- Stable signal output
- Long operating life
- Low maintenance requirements
- Reliable industrial performance
The series is commonly used in machinery protection systems where early detection of mechanical problems is important.
4. Product Description
The 990-05-50-01-CN is a compact proximity transducer system designed for precise shaft monitoring applications.
Compared with larger probe configurations, the 5 mm sensing design provides advantages in installations where equipment structure or mounting space is limited.
The system measures the relative distance between the probe and the rotating shaft surface.
It provides information about:
- Shaft vibration level
- Rotor position
- Mechanical stability
- Equipment operating condition
The product consists mainly of:
- Proximity probe
- Extension cable assembly
- Connection components
The compact design allows easier installation while maintaining reliable measurement performance.
It is suitable for applications requiring accurate monitoring of smaller rotating equipment.
5. Working Principle
The 990-05-50-01-CN operates based on eddy current sensing technology.
The probe generates a high-frequency electromagnetic field around the sensing tip.
When the shaft moves closer or farther from the probe, the electromagnetic field changes.
The system converts these changes into electrical signals representing shaft displacement.
The monitoring system analyzes these signals to determine:
- Shaft vibration amplitude
- Rotor movement
- Mechanical stability
- Possible equipment abnormalities
The non-contact measurement principle provides:
- No mechanical contact wear
- High repeatability
- Stable signal performance
- Long service life
6. Product Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 990-05-50-01-CN |
| 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 | 990-05-50-01-CN |
| 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 | Industrial rotating machinery |
| Maintenance Requirement | Low maintenance |
| Dimensions | Approx. 5 mm probe diameter; length depends on configuration |
| Weight | Approx. 0.28 kg（kg） |
8. Product Applications
8.1 Compact Turbine Monitoring
The 990-05-50-01-CN is suitable for smaller turbine systems where accurate shaft monitoring is required.
The system helps detect:
- Rotor imbalance
- Shaft vibration increase
- Mechanical instability
- Shaft position changes
Continuous monitoring improves equipment reliability and helps prevent unexpected failures.
8.2 Compressor Monitoring
Compact compressors require accurate condition monitoring.
The product helps identify:
- Shaft movement changes
- Excessive vibration
- Rotor instability
- Mechanical problems
It provides valuable information for preventive maintenance.
8.3 Pump Condition Monitoring
Industrial pumps operate under changing loads and conditions.
The system helps monitor:
- Shaft vibration
- Mechanical wear
- Rotating component condition
- Abnormal movement
8.4 Motor Monitoring
Small and medium motors can benefit from compact vibration monitoring solutions.
The product supports:
- Equipment protection
- Maintenance planning
- Operating condition analysis
8.5 General Rotating Machinery Applications
The compact sensor configuration makes it suitable for:
- Small turbines
- High-speed motors
- Compact compressors
- Precision rotating equipment
9. Product Advantages
Compact Size Design
The 5 mm probe configuration provides installation flexibility.
Advantages include:
- Suitable for limited installation space
- Easier mechanical integration
- Flexible mounting options
Accurate Measurement Capability
The product provides direct shaft measurement instead of indirect casing vibration measurement.
This improves monitoring accuracy and equipment analysis.
Non-Contact Operation
The sensor operates without physical contact with rotating parts.
Benefits include:
- Reduced wear
- Longer service life
- Stable operation
- Lower maintenance requirements
Reliable Signal Output
The system provides stable measurement signals for machinery condition monitoring.
This supports accurate fault analysis.
Strong Industrial Adaptability
The product can operate in demanding industrial environments involving:
- Mechanical vibration
- Temperature variation
- Continuous operation
Supports Predictive Maintenance
The system helps users detect developing problems before equipment failure.
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） |
| 990-05-50-01-00 | Proximity Transducer System | 5 mm probe, compact displacement measurement | Industrial equipment | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-70-01-01 | Proximity Transducer System | 5 mm probe, vibration monitoring configuration | Compact machinery | Approx. 5 mm probe diameter | Approx. 0.28 kg（kg） |
| 990-05-70-02-05 | Proximity Transducer System | 5 mm probe, shaft 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, general machinery 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 | 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 | 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-CN | 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 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-CN proximity transducer system is a compact and reliable solution 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 measurement
- Non-contact operation
- Stable signal performance
- 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 required.
By continuously monitoring shaft movement and vibration conditions, the 990-05-50-01-CN helps improve equipment reliability, reduce unexpected failures, optimize maintenance planning, and support stable industrial operation.