
Product Overview
In industrial facilities with critical rotating machinery, reliable vibration and displacement monitoring is essential for maintaining equipment safety, improving operational efficiency, and supporting predictive maintenance strategies. The Bently Nevada 330195-02-12-50-00 3300 XL 8 mm ETR Reverse Mount Probe is a high-performance proximity probe designed for non-contact measurement of shaft vibration, position, and movement in demanding industrial applications.
The Bently Nevada 330195-02-12-50-00 belongs to the 3300 XL 8 mm Extended Temperature Range (ETR) Reverse Mount Probe series. It is designed for machinery applications requiring flexible installation, accurate shaft measurement, and dependable performance under harsh operating conditions.
The probe uses advanced eddy current sensing technology to measure the distance between the probe tip and the rotating shaft surface. Changes in shaft position and vibration are converted into electrical signals, allowing monitoring systems to evaluate machine health and detect abnormal operating conditions.
The reverse mount design provides additional installation flexibility for equipment where conventional probe installation is restricted by mechanical structure, limited access, or special mounting requirements.
The Bently Nevada 330195-02-12-50-00 configuration includes:
This proximity probe is commonly applied in turbines, compressors, generators, pumps, motors, and other large rotating equipment requiring continuous condition monitoring.
With a total length of 5 meters and a weight of 1.615 kg, the Bently Nevada 330195-02-12-50-00 provides a long-distance sensing solution for industrial machinery protection and monitoring systems.
Technical Specifications
| Parameter |
Details |
| Manufacturer |
Bently Nevada |
| Model |
330195-02-12-50-00 |
| Product Type |
3300 XL 8 mm ETR Reverse Mount Probe |
| Series |
3300 XL |
| Probe Diameter |
8 mm |
| Measurement Technology |
Eddy Current Proximity Measurement |
| Probe Design |
Extended Temperature Range Reverse Mount |
| Installation Type |
Reverse Mount Configuration |
| Unthreaded Length |
12 mm |
| Total Length |
5 meters |
| Application |
Shaft Vibration and Position Monitoring |
| Weight |
1.615 kg |
Function and Working Principle
The Bently Nevada 330195-02-12-50-00 operates using eddy current proximity measurement technology to provide accurate non-contact shaft monitoring.
During operation, the probe generates an electromagnetic field near the rotating shaft. When the shaft moves relative to the probe, the electromagnetic field changes according to the distance variation. These changes are converted into electrical signals that represent shaft displacement and vibration levels.
The working process includes:
- Generating an electromagnetic sensing field
- Detecting shaft movement changes
- Measuring shaft-to-probe clearance
- Converting mechanical displacement into electrical signals
- Transmitting monitoring information to machinery protection systems
The probe can monitor:
- Radial shaft vibration
- Axial shaft displacement
- Rotor position changes
- Mechanical clearance variations
- Rotating equipment operating conditions
This enables maintenance teams to identify potential equipment problems early and reduce the risk of unexpected machinery failure.
Role in Industrial Machinery Protection Systems
The Bently Nevada 330195-02-12-50-00 serves as a key sensing component in industrial machinery monitoring and protection systems.
It is commonly integrated with:
| System Component |
Function |
| Proximity Monitoring System |
Receives and processes probe signals |
| Machinery Protection System |
Evaluates equipment condition |
| PLC System |
Integrates operational data |
| DCS System |
Provides process monitoring |
| Alarm System |
Generates protection alerts |
| Maintenance Analysis Platform |
Supports fault diagnosis |
The probe provides continuous shaft condition information, helping operators improve equipment reliability and optimize maintenance schedules.
Industrial Applications
The Bently Nevada 330195-02-12-50-00 3300 XL 8 mm ETR Reverse Mount Probe is widely used in industries where long-distance installation and reliable machinery monitoring are required.
| Industry |
Application |
| Power Generation |
Turbine shaft vibration monitoring |
| Oil and Gas |
Compressor and rotating equipment protection |
| Petrochemical |
Process machinery monitoring |
| Chemical Industry |
Critical equipment protection |
| Manufacturing |
Large motor monitoring |
| Marine Industry |
Engine and shaft condition monitoring |
| Energy Systems |
Generator protection |
| Industrial Plants |
Pump and blower monitoring |
The 5-meter total length configuration provides additional installation flexibility for large equipment layouts.
Installation and System Integration
Proper installation is important to achieve reliable measurement accuracy.
Recommended installation procedures:
- Install the probe using the reverse mounting configuration
- Confirm correct mechanical positioning
- Verify probe clearance with the rotating shaft
- Ensure cable routing is protected
- Connect with compatible monitoring equipment
- Perform system calibration and testing
During commissioning, engineers should verify:
- Probe mounting direction
- Shaft clearance adjustment
- Signal stability
- Monitoring system communication
- Alarm configuration
- Equipment operating status
Correct installation ensures stable performance and reliable machinery protection.
Monitoring Functions
The Bently Nevada 330195-02-12-50-00 provides multiple monitoring capabilities.
| Function |
Description |
| Shaft Vibration Measurement |
Detects vibration changes |
| Position Monitoring |
Measures shaft displacement |
| Non-Contact Detection |
Prevents mechanical sensor wear |
| Continuous Monitoring |
Provides real-time equipment information |
| Predictive Maintenance Support |
Helps identify early faults |
These functions make the probe suitable for critical rotating equipment applications.
Maintenance and Troubleshooting
Regular inspection helps maintain accurate measurement performance.
| Problem |
Possible Cause |
Recommended Solution |
| No Signal Output |
Connection problem |
Check wiring and connections |
| Signal Instability |
Incorrect probe clearance |
Adjust probe position |
| Measurement Error |
Installation issue |
Verify mounting condition |
| Signal Loss |
Cable damage |
Inspect cable condition |
| Abnormal Reading |
Machinery problem |
Check equipment operation |
Proper maintenance improves system reliability and extends equipment service life.
Compatible Systems
| System |
Application |
| Bently Nevada 3300 XL Monitoring System |
Machinery protection |
| Industrial Vibration Monitoring Systems |
Condition monitoring |
| PLC Automation Systems |
Equipment data integration |
| DCS Control Systems |
Process supervision |
| Turbine Protection Systems |
Rotating equipment safety |
Recommended Related Models
| Model |
Type |
Application |
| Bently Nevada 330195-02-12-10-00 |
3300 XL ETR Reverse Mount Probe |
1-meter configuration |
| Bently Nevada 330195-02-12-10-05 |
3300 XL ETR Reverse Mount Probe |
Industrial monitoring |
| Bently Nevada 330195-02-12-05-00 |
3300 XL ETR Reverse Mount Probe |
0.5-meter configuration |
| Bently Nevada 330194 Series |
3300 XL 8 mm Probe |
Standard shaft monitoring |
Key Advantages
- Extended temperature range capability
- Reverse mount installation flexibility
- Accurate shaft displacement measurement
- Advanced eddy current sensing technology
- Long 5-meter total length configuration
- Reliable operation in critical machinery
- Supports predictive maintenance programs
- Improves equipment protection performance
- Suitable for demanding industrial environments
Technical FAQs
What is the Bently Nevada 330195-02-12-50-00 used for?
The Bently Nevada 330195-02-12-50-00 is a 3300 XL 8 mm ETR Reverse Mount Probe used for shaft vibration, displacement, and position monitoring.
What technology does this proximity probe use?
The probe uses eddy current proximity sensing technology for non-contact measurement.
What is the total length of the Bently Nevada 330195-02-12-50-00?
The total length is 5 meters.
What is the weight of the Bently Nevada 330195-02-12-50-00?
The weight is 1.615 kg.
What is the advantage of the reverse mount design?
The reverse mount design provides installation flexibility for machinery with limited mounting space or special mechanical structures.
What equipment can use this probe?
It is commonly used in turbines, compressors, generators, pumps, motors, and other rotating machinery.
Conclusion
The Bently Nevada 330195-02-12-50-00 3300 XL 8 mm ETR Reverse Mount Probe is a reliable proximity measurement solution designed for industrial rotating machinery monitoring and protection systems.
With extended temperature range capability, reverse mounting flexibility, accurate eddy current sensing technology, and a 5-meter total length configuration, this probe provides stable and precise measurement performance for large-scale industrial equipment.
For automation engineers, maintenance professionals, and industrial equipment specialists, the Bently Nevada 330195-02-12-50-00 provides an effective solution for shaft vibration monitoring, displacement measurement, predictive maintenance, and machinery protection applications.