
Product Overview
The Bently Nevada 330173-00-02-20-02-05 3300 5 mm Proximity Probe is a precision non-contact displacement sensor designed for continuous monitoring of rotating machinery shaft vibration, displacement changes, and mechanical operating conditions.
This proximity probe belongs to the Bently Nevada 3300 5 mm Proximity Probe series and is widely used in industrial machinery protection, predictive maintenance, and condition monitoring applications. It provides accurate measurement of shaft movement by detecting variations in the distance between the probe tip and the rotating shaft surface.
The Bently Nevada 330173-00-02-20-02-05 model features a 5 mm sensing tip, a total length of 2 meters, and a weight of approximately 0.646 kg. The extended cable length design provides additional installation flexibility for machinery systems where the sensor position is located away from monitoring equipment.
Using advanced eddy current sensing technology, this proximity probe enables accurate non-contact measurement without physical contact with rotating components. It supports reliable machinery health monitoring and helps reduce unexpected equipment failures through early condition detection.
Technical Specifications
| Parameter |
Details |
| Manufacturer |
Bently Nevada |
| Model |
330173-00-02-20-02-05 |
| Product Type |
3300 5 mm Proximity Probe |
| Sensor Technology |
Eddy Current Displacement Measurement |
| Probe Diameter |
5 mm |
| Total Length |
2 meters |
| Weight |
0.646 kg |
| Measurement Method |
Non-contact Shaft Displacement Detection |
| Application |
Vibration Monitoring and Machinery Protection |
| Installation Type |
Industrial Machinery Mounting |
| System Application |
Rotating Equipment Condition Monitoring |
| Suitable Equipment |
Turbines, Compressors, Pumps, Motors, Generators |
Working Principle
The Bently Nevada 330173-00-02-20-02-05 Proximity Probe operates using eddy current sensing technology to measure shaft displacement and vibration without direct contact.
The probe generates an electromagnetic field near the rotating shaft surface. When the shaft moves due to vibration, imbalance, thermal expansion, or mechanical changes, the distance between the shaft and probe changes.
The sensor detects these variations and converts them into electrical signals representing shaft position and vibration conditions.
The operating process includes:
- Generating an electromagnetic sensing field
- Detecting shaft displacement changes
- Converting mechanical movement into electrical signals
- Transmitting condition information to monitoring systems
This sensing method provides:
- Accurate shaft displacement measurement
- Continuous vibration monitoring
- Stable signal performance
- Reliable operation in industrial environments
Main Features and Functions
High Precision Shaft Displacement Measurement
The Bently Nevada 330173-00-02-20-02-05 provides accurate monitoring of rotating shaft movement.
The non-contact measurement design eliminates mechanical wear and allows continuous operation in demanding industrial applications.
Key advantages:
- High measurement accuracy
- Stable signal output
- Long service life
- Reduced maintenance requirements
Extended Length Installation Flexibility
With a total length of 2 meters, this proximity probe provides flexible installation options for equipment layouts where the monitoring system and measurement point are separated.
Advantages include:
- Flexible sensor positioning
- Easier installation in large machinery systems
- Suitable for complex equipment arrangements
- Reliable signal transmission
Reliable Machinery Condition Monitoring
This proximity probe supports industrial predictive maintenance strategies by continuously monitoring equipment conditions.
It helps detect:
- Shaft vibration changes
- Rotor displacement
- Mechanical imbalance
- Misalignment conditions
- Abnormal operating trends
Continuous monitoring allows maintenance teams to identify developing problems before serious equipment damage occurs.
Non-Contact Measurement Technology
The proximity probe uses electromagnetic sensing instead of physical contact.
Benefits include:
- No mechanical wear
- Suitable for high-speed rotating equipment
- Stable performance under harsh conditions
- Long operational reliability
Industrial Applications
Turbine Monitoring Systems
The proximity probe provides accurate shaft monitoring for turbine equipment.
Typical applications:
- Shaft displacement measurement
- Rotor vibration monitoring
- Turbine protection systems
- Condition analysis
Benefits:
- Improved equipment safety
- Early detection of abnormal conditions
- Reduced maintenance risks
Compressor Condition Monitoring
Industrial compressors require reliable vibration measurement for stable operation.
Applications include:
- Process compressors
- Gas compressors
- Centrifugal compressor units
Advantages:
- Detects shaft movement changes
- Supports predictive maintenance
- Improves equipment availability
Pump Monitoring Applications
The sensor is suitable for industrial pump condition monitoring.
Typical applications:
- Process pumps
- Cooling pumps
- Circulation systems
- Fluid handling equipment
Benefits:
- Detects mechanical problems
- Improves maintenance scheduling
- Helps reduce unexpected downtime
Motor and Generator Monitoring
The proximity probe provides important condition information for rotating electrical equipment.
Applications:
- Industrial motors
- Generators
- Drive systems
Advantages:
- Continuous condition monitoring
- Improved equipment reliability
- Enhanced fault diagnosis
Installation Guide
Proper installation is essential for accurate measurement performance.
Recommended installation procedures:
- Install the probe according to machinery requirements
- Maintain correct sensor positioning
- Ensure secure cable connections
- Protect cables from mechanical stress
- Verify signal performance after installation
Installation inspection:
| Inspection Item |
Purpose |
| Probe Mounting |
Confirm correct installation position |
| Cable Connection |
Ensure stable signal transmission |
| Sensor Alignment |
Maintain measurement accuracy |
| Signal Testing |
Verify normal operation |
| System Commissioning |
Confirm monitoring performance |
Fault Diagnosis and Troubleshooting
No Signal Output
Possible causes:
- Incorrect wiring connection
- Cable damage
- Probe malfunction
- Monitoring system failure
Solutions:
- Check electrical connections
- Inspect cable condition
- Verify sensor installation
- Test monitoring equipment
Unstable Signal Performance
Possible causes:
- Incorrect probe position
- Excessive machinery vibration
- Electrical interference
- Shaft surface condition changes
Solutions:
- Adjust sensor position
- Inspect equipment condition
- Check cable routing
- Verify system settings
Incorrect Shaft Displacement Measurement
Possible causes:
- Improper installation
- Incorrect monitoring configuration
- Sensor damage
Solutions:
- Check probe mounting position
- Verify system parameters
- Replace damaged components when required
Compatible System Components
| Component |
Function |
| Proximity Probe |
Detects shaft displacement |
| Extension Cable |
Transfers sensor signals |
| Proximitor Sensor |
Converts measurement output |
| Monitoring Module |
Processes vibration data |
| Machinery Protection System |
Provides alarms and protection |
Recommended Related Models
| Model |
Product Type |
Application |
| 330173 Series |
3300 5 mm Proximity Probe |
Industrial machinery monitoring |
| 330172 Series |
3300 5 mm Proximity Probe |
Shaft vibration measurement |
| 330171 Series |
3300 5 mm Proximity Probe |
Rotating equipment monitoring |
| 3300 XL Series |
Advanced Proximity System |
Critical machinery protection |
Key Advantages
Accurate Vibration Monitoring
Provides reliable shaft displacement and vibration measurement for critical rotating equipment.
Flexible Installation Capability
The 2-meter length design supports installation in larger machinery systems.
Reliable Industrial Performance
Designed for continuous operation in demanding industrial environments.
Predictive Maintenance Support
Helps identify abnormal equipment conditions before major failures occur.
Wide Application Compatibility
Suitable for turbines, compressors, pumps, motors, and generators.
Technical FAQs
What is Bently Nevada 330173-00-02-20-02-05 used for?
It is a 3300 5 mm proximity probe designed for shaft displacement measurement and rotating machinery vibration monitoring.
What sensing technology does this proximity probe use?
It uses eddy current non-contact displacement sensing technology.
What is the total length of this model?
The total length is 2 meters.
What is the weight of this proximity probe?
The weight is approximately 0.646 kg.
What equipment can use this sensor?
It is suitable for turbines, compressors, pumps, motors, generators, and other critical rotating machinery.
Conclusion
The Bently Nevada 330173-00-02-20-02-05 3300 5 mm Proximity Probe is a reliable industrial sensor designed for accurate shaft displacement measurement and continuous vibration monitoring.
With its extended 2-meter length, non-contact sensing technology, and stable measurement performance, this proximity probe provides flexible installation and dependable monitoring for critical rotating equipment.
For industrial automation engineers, maintenance professionals, and plant operators, the 330173-00-02-20-02-05 helps improve machinery reliability, support predictive maintenance programs, and enhance the safety and efficiency of industrial operations.