
Product Overview
Reliable condition monitoring of rotating machinery is essential in industries where equipment availability, operational safety, and maintenance efficiency are critical. The Bently Nevada 330195-02-12-05-05 3300 XL 8 mm ETR Reverse Mount Probe is a precision proximity measurement device designed for non-contact monitoring of shaft vibration, displacement, and position in industrial machinery protection systems.
The Bently Nevada 330195-02-12-05-05 belongs to the 3300 XL 8 mm Extended Temperature Range (ETR) Reverse Mount Probe series. It is engineered for applications requiring flexible installation, stable measurement performance, and reliable operation under demanding industrial conditions.
Using eddy current sensing technology, the probe detects changes in the distance between the probe tip and the rotating shaft surface. These changes are converted into electrical signals that can be analyzed by machinery monitoring systems for vibration protection and predictive maintenance.
The reverse mount design provides installation flexibility in machines where conventional probe mounting is difficult due to mechanical structure limitations or restricted access areas.
The Bently Nevada 330195-02-12-05-05 configuration includes:
The probe is commonly used in turbines, compressors, generators, pumps, motors, and other critical rotating equipment requiring continuous condition monitoring.
With a total length of 0.5 meters and a weight of 0.162 kg, the Bently Nevada 330195-02-12-05-05 provides a compact and dependable solution for industrial machinery protection applications.
Technical Specifications
| Parameter |
Details |
| Manufacturer |
Bently Nevada |
| Model |
330195-02-12-05-05 |
| 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 |
0.5 meters |
| Application |
Shaft Vibration and Position Monitoring |
| Weight |
0.162 kg |
Function and Working Principle
The Bently Nevada 330195-02-12-05-05 operates based on eddy current proximity sensing technology, allowing accurate measurement without physical contact between the probe and rotating shaft.
During operation, the probe generates an electromagnetic field around the sensing tip. When the shaft moves closer or farther away from the probe, the electromagnetic field changes. The system converts these changes into electrical signals representing shaft displacement and vibration characteristics.
The working process includes:
- Generating an electromagnetic sensing field
- Detecting shaft-to-probe distance changes
- Measuring mechanical displacement
- Converting movement into electrical signals
- Sending monitoring data to protection systems
The probe can monitor:
- Radial shaft vibration
- Axial shaft position
- Rotor displacement
- Mechanical clearance changes
- Rotating equipment operating conditions
This enables early detection of abnormal machine behavior and supports preventive maintenance strategies.
Role in Industrial Machinery Protection Systems
The Bently Nevada 330195-02-12-05-05 is an important sensing component in rotating equipment monitoring systems.
It is commonly integrated with:
| System Component |
Function |
| Proximity Monitoring System |
Processes probe measurement signals |
| Machinery Protection System |
Evaluates equipment condition |
| PLC System |
Integrates operational data |
| DCS System |
Provides process supervision |
| Alarm System |
Generates equipment warnings |
| Maintenance Platform |
Supports fault analysis |
The probe provides continuous machine condition information, helping operators improve equipment reliability and reduce unexpected shutdowns.
Industrial Applications
The Bently Nevada 330195-02-12-05-05 3300 XL 8 mm ETR Reverse Mount Probe is widely used in industries involving critical rotating machinery.
| Industry |
Application |
| Power Generation |
Turbine shaft monitoring |
| Oil and Gas |
Compressor protection |
| Petrochemical |
Rotating equipment monitoring |
| Chemical Industry |
Process machinery protection |
| Manufacturing |
Motor vibration analysis |
| Marine Industry |
Engine and shaft monitoring |
| Energy Systems |
Generator condition monitoring |
| Industrial Facilities |
Pump and blower protection |
The reverse mount configuration makes it suitable for equipment designs requiring special probe installation arrangements.
Installation and System Integration
Proper installation ensures accurate measurement performance and long-term reliability.
Recommended installation procedures:
- Install the probe using the reverse mount method
- Confirm correct mechanical positioning
- Check probe mounting stability
- Adjust probe clearance according to application requirements
- Connect with compatible monitoring equipment
- Verify signal output
During commissioning, engineers should check:
- Probe installation direction
- Shaft clearance
- Signal quality
- Monitoring system communication
- Alarm parameters
- Equipment operating condition
Correct installation helps maintain accurate monitoring results and reliable machinery protection.
Monitoring Functions
The Bently Nevada 330195-02-12-05-05 provides several important monitoring capabilities.
| Function |
Description |
| Shaft Vibration Measurement |
Detects mechanical vibration changes |
| Position Monitoring |
Measures shaft displacement |
| Non-Contact Measurement |
Prevents sensor wear |
| Continuous Monitoring |
Provides real-time equipment information |
| Predictive Maintenance Support |
Helps identify early faults |
These capabilities make the probe suitable for high-value industrial equipment protection.
Maintenance and Troubleshooting
Regular maintenance helps maintain stable measurement performance.
| Problem |
Possible Cause |
Recommended Solution |
| No Output Signal |
Wiring connection issue |
Check cable connections |
| Signal Instability |
Incorrect probe gap |
Adjust installation position |
| Incorrect Measurement |
Probe alignment problem |
Verify mounting condition |
| Signal Interruption |
Cable damage |
Inspect connection system |
| Abnormal Reading |
Machine condition change |
Check rotating equipment |
Proper inspection improves system reliability and reduces maintenance risks.
Compatible Systems
| System |
Application |
| Bently Nevada 3300 XL Monitoring System |
Machinery protection |
| Industrial Vibration Monitoring Systems |
Condition monitoring |
| PLC Control Systems |
Equipment data integration |
| DCS Systems |
Process equipment monitoring |
| Turbine Protection Systems |
Rotating machinery safety |
Recommended Related Models
| Model |
Type |
Application |
| Bently Nevada 330195-02-12-05-00 |
3300 XL ETR Reverse Mount Probe |
Reverse installation applications |
| Bently Nevada 330194 Series |
3300 XL 8 mm Probe |
Standard shaft monitoring |
| Bently Nevada 330193 Series |
3300 XL 8 mm Probe |
Vibration measurement |
| Bently Nevada Proximitor Sensor |
Signal Processing Unit |
Machinery monitoring |
Key Advantages
- Extended temperature range design
- Reverse mount installation flexibility
- Accurate shaft vibration measurement
- Non-contact eddy current technology
- Compact 0.5-meter length configuration
- Reliable operation in industrial environments
- Supports predictive maintenance applications
- Improves rotating equipment protection
- Reduces unexpected equipment failures
Technical FAQs
What is the Bently Nevada 330195-02-12-05-05 used for?
The Bently Nevada 330195-02-12-05-05 is a 3300 XL 8 mm ETR Reverse Mount Probe used for shaft vibration, displacement, and position monitoring.
What technology does this probe use?
The probe uses eddy current proximity sensing technology for non-contact measurement.
What is the total length of the Bently Nevada 330195-02-12-05-05?
The total length is 0.5 meters.
What is the weight of the Bently Nevada 330195-02-12-05-05?
The weight is 0.162 kg.
What is the main advantage of the reverse mount design?
The reverse mount design allows installation in machinery where traditional probe mounting methods are difficult.
What equipment can use this probe?
It is commonly used for turbines, compressors, generators, pumps, motors, and other rotating machinery.
Conclusion
The Bently Nevada 330195-02-12-05-05 3300 XL 8 mm ETR Reverse Mount Probe is a reliable proximity sensing solution designed for industrial rotating machinery monitoring and protection systems.
With extended temperature range capability, reverse mounting flexibility, accurate eddy current measurement technology, and a compact 0.5-meter configuration, this probe delivers stable performance for critical equipment monitoring.
For automation engineers, maintenance teams, and industrial equipment specialists, the Bently Nevada 330195-02-12-05-05 provides an effective solution for shaft vibration monitoring, displacement measurement, predictive maintenance, and machinery protection applications.