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Bently Nevada 990-05-XX-01-00 Proximity Transducer System Product Introduction, Technical Specifications, Applications, Advantages, Brand and Series
Product Overview
Model: 990-05-XX-01-00
The Bently Nevada 990-05-XX-01-00 is a configurable proximity transducer system designed for continuous monitoring of rotating machinery operating conditions. It is mainly used for measuring shaft vibration, shaft displacement, rotor position, and relative movement between a sensing probe and a rotating shaft.
The product belongs to the 990 Series Proximity Transducer System, a compact industrial monitoring product family developed for machinery protection and condition monitoring applications.
The 990-05-XX-01-00 configuration represents a flexible model structure within the 990 Series, where different probe sizes, cable lengths, and configuration options can be selected according to specific machinery requirements.
The system uses eddy current non-contact measurement technology. This technology allows the sensor to detect changes in the distance between the probe tip and the rotating shaft without physical contact. As a result, the system provides accurate measurement while avoiding mechanical wear caused by direct contact.
The product is designed for applications requiring reliable shaft monitoring, especially in critical rotating equipment where early detection of abnormal conditions is important.
The system continuously collects shaft movement information and supports machinery condition analysis, helping operators identify potential problems such as:
- Excessive shaft vibration
- Rotor instability
- Shaft displacement changes
- Mechanical imbalance
- Alignment problems
- Abnormal operating conditions
Typical application equipment includes:
- Steam turbines
- Gas turbines
- Compressors
- Pumps
- Motors
- Generators
- Gearboxes
- Blowers
- High-speed rotating machinery
Brand Information
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Product Category | Proximity Transducer System |
| Product Series | 990 Series |
| Measurement Technology | Eddy Current Non-Contact Sensing |
| Main Function | Shaft Vibration and Displacement Monitoring |
| Application Field | Rotating Machinery Protection |
| Installation Method | Industrial Fixed Installation |
The brand specializes in industrial machinery monitoring equipment, providing technologies for vibration measurement, machine protection, condition evaluation, and reliability improvement.
The products are widely applied in industries where equipment availability and operational safety are important.
Product Series Information
990 Series Proximity Transducer System
The 990 Series is a compact and reliable proximity measurement system designed for direct shaft monitoring.
Unlike traditional vibration sensors that mainly measure casing vibration, the 990 Series directly measures shaft movement. This provides more detailed information about rotor behavior and internal machine operating conditions.
The series is designed for continuous operation in industrial environments and is suitable for both new equipment installations and replacement applications.
Main Features of the 990 Series
- Direct shaft displacement measurement
- Non-contact eddy current sensing
- Compact sensor structure
- High measurement stability
- Fast dynamic response
- Excellent repeatability
- Long service life
- Low maintenance requirements
- Suitable for continuous online monitoring
The series is commonly used for critical rotating machinery requiring accurate and dependable condition monitoring.
Product Description
The 990-05-XX-01-00 is a proximity transducer system designed to provide accurate measurement of shaft movement.
The system normally consists of:
- Proximity sensing probe
- Extension cable assembly
- Signal conditioning electronics
During operation, the probe generates an electromagnetic field near the shaft surface.
When the rotating shaft moves closer or farther away from the probe tip, the electromagnetic field changes. The electronics detect these variations and convert them into proportional electrical signals.
These signals represent actual shaft movement and can be used for:
- Vibration monitoring
- Rotor position analysis
- Machine protection
- Predictive maintenance
- Equipment condition evaluation
The non-contact operating principle ensures that the probe does not experience mechanical wear, making it suitable for long-term continuous operation.
Working Principle
The 990-05-XX-01-00 operates using eddy current displacement measurement technology.
Measurement Process
- The probe generates a high-frequency electromagnetic field.
- The rotating conductive shaft interacts with the sensing field.
- Eddy currents are created on the shaft surface.
- Shaft movement changes the electromagnetic characteristics.
- The electronic circuit measures the variation.
- The output signal represents shaft displacement and vibration information.
This measurement method provides:
- High accuracy
- Fast response
- Stable operation
- Reliable long-term performance
- Continuous monitoring capability
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 990-05-XX-01-00 |
| Product Type | Proximity Transducer System |
| Product Series | 990 Series |
| Brand | Bently Nevada |
| Measurement Principle | Eddy Current Non-Contact Technology |
| Probe Size | Configurable 5 mm Series Probe |
| Measurement Function | Shaft Vibration, Shaft Displacement, Rotor Position |
| Detection Method | Electromagnetic Field Measurement |
| Measurement Object | Conductive Rotating Shaft |
| Sensor Type | Non-Contact Proximity Probe |
| Installation Method | Threaded Mounting |
| Signal Output | Dynamic Analog Signal |
| Cable Configuration | Industrial Extension Cable |
| Housing Material | Stainless Steel / Industrial Alloy |
| Operating Temperature | Approximately -35°C to +177°C |
| Response Characteristics | High-Speed Dynamic Response |
| Measurement Accuracy | High Precision |
| Signal Stability | Excellent Long-Term Stability |
| Application Environment | Industrial Rotating Equipment |
| Maintenance Requirement | Low Maintenance |
| Dimensions | Approx. 5 mm Probe Diameter; Length Depends on Selected Configuration |
| Weight | Approximately 0.28 kg（kg） |
Detailed Product Specifications
| Technical Item | Specification |
|---|---|
| Model Number | 990-05-XX-01-00 |
| Product Category | Shaft Monitoring Sensor |
| Technology | Eddy Current Displacement Measurement |
| Probe Type | Compact Non-Contact Probe |
| Measurement Target | Rotating Metal Shaft |
| Monitoring Mode | Continuous Online Monitoring |
| Output Type | Analog Dynamic Signal |
| Mechanical Design | Compact Industrial Structure |
| Installation Style | Threaded Installation |
| Probe Material | Industrial Metal Alloy |
| Cable Type | Flexible Shielded Cable |
| Application Area | Rotating Machinery Condition Monitoring |
| Dimensions | Approx. 5 mm Probe Diameter |
| Weight | Approx. 0.28 kg（kg） |
Product Applications
Steam Turbine Monitoring
The 990-05-XX-01-00 can be used for monitoring steam turbine rotor conditions.
The system provides information related to:
- Shaft vibration
- Rotor movement
- Shaft displacement
- Mechanical stability
Continuous monitoring helps reduce unexpected failures and improves maintenance planning.
Gas Turbine Applications
Gas turbines require accurate monitoring due to high rotational speed and strict operating requirements.
The system supports:
- Rotor position monitoring
- Shaft displacement measurement
- Vibration trend analysis
- Equipment protection
Compressor Monitoring
Industrial compressors require stable shaft operation.
The system helps identify:
- Shaft movement changes
- Rotor imbalance
- Mechanical instability
- Abnormal vibration conditions
Pump Monitoring
The product is suitable for centrifugal pump applications.
Typical functions include:
- Shaft movement measurement
- Mechanical condition evaluation
- Equipment reliability improvement
- Maintenance optimization
Motor Applications
The compact structure allows installation on various industrial motors.
Applications include:
- Rotor vibration monitoring
- Shaft displacement detection
- Machine condition evaluation
- Fault diagnosis
Generator Applications
Generators require stable rotor operation for reliable performance.
The system supports:
- Shaft position monitoring
- Rotor condition analysis
- Continuous monitoring
- Equipment protection
Product Advantages
Compact Design
The compact structure allows easy installation in machinery with limited available space.
Advantages:
- Flexible installation
- Reduced mounting requirements
- Suitable for retrofit applications
Accurate Shaft Monitoring
The system directly measures shaft movement.
Benefits:
- Improved diagnostic accuracy
- Better understanding of rotor behavior
- More reliable machine analysis
Non-Contact Measurement
The probe does not touch the rotating shaft.
Advantages:
- No mechanical wear
- Longer service life
- Stable measurement performance
High Reliability
The system provides consistent operation under industrial conditions.
Benefits:
- Stable signal output
- Reliable monitoring results
- Long-term measurement accuracy
Predictive Maintenance Capability
Continuous monitoring helps detect problems before major equipment damage occurs.
Benefits:
- Reduced downtime
- Improved maintenance scheduling
- Lower repair costs
- Increased equipment availability
Wide Industrial Application Range
The product can be applied to many types of rotating machinery.
Suitable equipment includes:
- Turbines
- Compressors
- Pumps
- Motors
- Generators
- Gearboxes
Recommended Same Series or Related Models
| Model | Product Type | Main Parameters | Dimensions | Weight |
|---|---|---|---|---|
| 990-05-70-01-00 | Proximity Transducer System | 5 mm Probe, Standard Shaft Monitoring | Approx. 5 mm Probe Diameter | Approx. 0.28 kg（kg） |
| 990-05-70-01-01 | Proximity Transducer System | Shaft Vibration Monitoring Configuration | Approx. 5 mm Probe Diameter | Approx. 0.28 kg（kg） |
| 990-05-70-02-01 | Proximity Transducer System | Shaft Displacement Measurement | Approx. 5 mm Probe Diameter | Approx. 0.28 kg（kg） |
| 990-05-70-02-05 | Proximity Transducer System | Continuous Monitoring Application | Approx. 5 mm Probe Diameter | Approx. 0.28 kg（kg） |
| 990-05-70-03-00 | Proximity Transducer System | Rotor Position Monitoring | Approx. 5 mm Probe Diameter | Approx. 0.28 kg（kg） |
Recommended Popular Models from the Same Brand
| Model | Product Type | Main Parameters | Dimensions | Weight |
|---|---|---|---|---|
| 3300 XL 8 mm 330101 Series | Proximity Probe System | 8 mm Eddy Current Probe, Precision Shaft Measurement | Approx. 8 mm Probe Diameter | Approx. 0.35 kg（kg） |
| 3300 XL 11 mm System | Large Proximity Probe System | 11 mm Probe, Large Shaft Monitoring | Approx. 11 mm Probe Diameter | Approx. 0.45 kg（kg） |
| 3500/42M Monitor Module | Machinery Monitoring Module | Multi-Channel Vibration Monitoring | Rack Module Structure | Approx. 0.80 kg（kg） |
| 3500/22M Interface Module | Communication Module | Data Communication and System Interface | Rack Mount Structure | Approx. 1.00 kg（kg） |
| 1900/65A Machinery Monitoring System | Compact Monitoring Device | Multi-Input Condition Monitoring | Compact Panel Design | Approx. 0.50 kg（kg） |
Product Comparison Table
| Model | Series | Probe Diameter | Main Function | Dimensions | Weight |
|---|---|---|---|---|---|
| 990-05-XX-01-00 | 990 Series | 5 mm Configurable | Shaft Vibration and Displacement Monitoring | Approx. 5 mm Probe Diameter | Approx. 0.28 kg（kg） |
| 990-05-70-01-00 | 990 Series | 5 mm | Standard Shaft Monitoring | Approx. 5 mm Probe Diameter | Approx. 0.28 kg（kg） |
| 990-05-70-02-01 | 990 Series | 5 mm | Shaft Displacement Measurement | Approx. 5 mm Probe Diameter | Approx. 0.28 kg（kg） |
| 990-05-70-03-00 | 990 Series | 5 mm | Rotor Position Monitoring | Approx. 5 mm Probe Diameter | Approx. 0.28 kg（kg） |
| 3300 XL 8 mm | 3300 XL Series | 8 mm | High Precision Shaft Monitoring | Approx. 8 mm Probe Diameter | Approx. 0.35 kg（kg） |
Product Summary
The 990-05-XX-01-00 is a flexible and reliable proximity transducer system designed for continuous monitoring of rotating machinery shaft conditions.
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 configuration
- Direct shaft movement measurement
- Non-contact operation
- High measurement stability
- Reliable signal output
- Long operating life
- Low maintenance requirements
- Excellent industrial adaptability
The product is suitable for turbines, compressors, pumps, motors, generators, gearboxes, and other critical rotating equipment where continuous shaft monitoring is required to improve equipment reliability, reduce downtime, and support efficient predictive maintenance strategies.