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- Bently Nevada
- 330171-00-28-05-02-05
- 3300 5mm Proximity Probes
- USA
- 5000 × 8 × 8 mm
- 0.38kg
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Bently Nevada 330171-00-28-05-02-05
Detailed Product Introduction, Technical Specifications, Applications, Advantages, Product Series, and Recommended Models
Product Introduction
The Bently Nevada 330171-00-28-05-02-05 is a high-precision 8 mm eddy current proximity probe assembly designed for continuous monitoring of rotating machinery operating conditions. It belongs to the 3300 XL 8 mm Proximity Transducer Series, which is widely used for shaft vibration measurement, rotor displacement monitoring, and critical machinery protection applications.
This model is designed to provide accurate non-contact measurement between the probe sensing tip and the rotating shaft surface. Using eddy current sensing technology, the probe can detect extremely small changes in shaft displacement, vibration movement, and rotor position without physical contact, ensuring stable and reliable measurement performance.
The 330171-00-28-05-02-05 configuration is designed with an extended probe structure and specific cable arrangement, providing additional installation flexibility for complex industrial machinery. The extended mechanical design allows the probe to be installed in locations where standard proximity probes cannot reach the required measurement point.
The product combines a durable stainless-steel probe body, high-performance sensing tip, stable electrical characteristics, and strong environmental resistance. It is suitable for high-value rotating equipment where accurate monitoring, long service life, and reliable operation are required.
The probe is commonly integrated with compatible signal conditioning units and monitoring systems to form a complete machinery condition monitoring solution.
During operation, the probe continuously measures the distance between the probe tip and the rotating shaft. The output signal provides important information for analyzing:
- Shaft vibration
- Rotor displacement
- Axial movement
- Mechanical instability
- Rotor position changes
- Equipment operating condition
By providing continuous condition information, the product helps maintenance personnel identify developing mechanical issues before they lead to major equipment failures.
The extended design of this model makes it especially suitable for large industrial equipment where probe installation depth, mounting position, and cable routing requirements are more demanding.
Brand
Bently Nevada is a professional industrial brand specializing in rotating machinery monitoring, vibration measurement, and machinery protection technology.
The product range includes:
- Proximity probes
- Eddy current sensors
- Signal conditioning devices
- Monitoring modules
- Machinery protection systems
The products are widely used in industries requiring continuous equipment monitoring and high operational reliability, including:
- Power generation
- Oil and gas
- Petrochemical
- Chemical processing
- Marine applications
- Heavy manufacturing
- Industrial production systems
The brand is recognized for accurate measurement technology, durable industrial design, and reliable operation in harsh environments.
Product Series
3300 XL 8 mm Proximity Transducer Series
The 3300 XL 8 mm Proximity Transducer Series is a high-accuracy non-contact displacement measurement system designed for monitoring rotating machinery.
The series uses eddy current technology to measure the distance between the probe tip and the rotating shaft surface. Since the sensor does not physically contact the shaft, it provides excellent durability and stable measurement performance during continuous operation.
A complete monitoring system normally includes:
- 3300 XL 8 mm Proximity Probe
- Extension Cable
- Proximitor Sensor
- Monitoring Module
- Machinery Protection System
The series is commonly used to monitor:
- Radial shaft vibration
- Axial shaft position
- Rotor displacement
- Thrust movement
- Shaft eccentricity
- Differential expansion
- Rotating equipment condition
The 3300 XL 8 mm series is designed for critical machinery applications where accurate measurement and reliable protection are essential.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330171-00-28-05-02-05 |
| Product Type | Eddy Current Proximity Probe Assembly |
| Sensor Technology | Non-contact Eddy Current Measurement |
| Compatible System | 3300 XL 8 mm Proximity Transducer Series |
| Probe Diameter | 8 mm |
| Probe Type | Extended Straight Proximity Probe |
| Probe Length | Approximately 280 mm |
| Cable Length | Approximately 5 meters |
| Thread Size | 3/8-24 UNF |
| Connector Type | Standard Industrial Probe Connector |
| Measurement Range | Approximately 2 mm Linear Range |
| Frequency Response | DC to approximately 10 kHz |
| Output Signal | Analog Dynamic Displacement Signal |
| Calibration Method | Factory Calibrated |
| Housing Material | Stainless Steel |
| Probe Tip Material | High Durability Conductive Material |
| Operating Temperature | -52°C to +177°C |
| Storage Temperature | -55°C to +200°C |
| Environmental Resistance | Resistant to Oil, Moisture, Vibration and Industrial Chemicals |
| Electromagnetic Protection | High EMI/RFI Immunity |
| Installation Method | Threaded Mounting |
| Application Type | Rotating Machinery Condition Monitoring |
| Cable Construction | Shielded Industrial Cable |
| Protection Design | Heavy-duty Industrial Construction |
| Dimensions | Approximately 5000 × 8 × 8 mm |
| Weight | Approximately 0.38 kg |
Product Structure and Working Principle
The 330171-00-28-05-02-05 operates using advanced eddy current displacement measurement technology.
The probe sensing tip generates a high-frequency electromagnetic field when connected to the signal conditioning unit. When positioned near a conductive rotating shaft, eddy currents are generated inside the shaft material.
The distance between the probe tip and the shaft affects the electromagnetic field strength. These changes are converted into an electrical signal proportional to the shaft displacement.
The measurement process includes:
- The probe generates an electromagnetic field.
- The rotating shaft changes the field according to its movement.
- The signal conditioning system converts the variation into an electrical output.
- The monitoring system analyzes vibration and displacement information.
This measurement principle provides:
- High measurement accuracy
- Fast response capability
- No mechanical wear
- Long operating life
- Stable performance during continuous operation
The non-contact design allows the probe to operate reliably even on high-speed rotating equipment.
Product Applications
1. Steam Turbine Monitoring
The product is widely used in steam turbine protection and monitoring systems.
Typical applications include:
- Rotor vibration monitoring
- Shaft displacement measurement
- Turbine protection
- Bearing condition analysis
Steam turbines require accurate shaft monitoring because small mechanical changes may indicate serious equipment problems.
2. Gas Turbine Applications
Gas turbines operate under extreme speed and temperature conditions.
The probe can be used for:
- Rotor position monitoring
- Shaft vibration measurement
- Mechanical stability analysis
- Early fault detection
The robust construction allows reliable operation in demanding environments.
3. Compressor Monitoring
The product is suitable for centrifugal compressors and industrial compressor systems.
It can monitor:
- Rotor instability
- Shaft vibration
- Mechanical imbalance
- Alignment problems
- Operating condition changes
Accurate monitoring helps reduce unexpected compressor failures and improves equipment availability.
4. Large Motor and Pump Systems
Industrial motors and pumps require continuous shaft monitoring.
Applications include:
- Rotor vibration analysis
- Shaft movement measurement
- Mechanical fault detection
- Equipment protection
5. Heavy Industrial Machinery
The probe is suitable for:
- Gearboxes
- Fans
- Blowers
- Marine propulsion equipment
- Industrial rotating machinery
- Process equipment
It provides important operating data for predictive maintenance programs.
Product Advantages
1. High Measurement Accuracy
The 330171-00-28-05-02-05 provides precise shaft displacement measurement with excellent repeatability.
It can detect small changes in shaft movement, helping maintenance teams identify abnormal conditions at an early stage.
2. Non-contact Measurement Technology
The probe operates without physical contact with rotating components.
Advantages include:
- No mechanical wear
- Reduced maintenance requirements
- Longer operating life
- Continuous monitoring capability
3. Extended Probe Design
The extended 280 mm probe length provides additional installation flexibility.
It is suitable for machinery where the measurement point is located deeper inside the equipment structure.
4. Flexible Cable Configuration
The 5-meter cable arrangement provides greater installation flexibility.
It allows easier connection between the machine installation point and monitoring equipment.
5. Strong Environmental Resistance
The probe is designed for industrial environments and provides resistance against:
- High temperature
- Oil contamination
- Moisture
- Mechanical vibration
- Industrial chemicals
6. Stable Signal Performance
The probe maintains consistent electrical characteristics during long-term operation, helping ensure reliable monitoring results.
7. Easy Integration
The product can be integrated into existing machinery monitoring systems using compatible components from the same monitoring platform.
Recommended Models from the Same Series or Related Models
| Model | Product Type | Probe Diameter | Cable Length | Measurement Range | Operating Temperature | Dimensions | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 330171-00-20-90-02-05 | Extended Proximity Probe Assembly | 8 mm | 9 m | 2 mm Linear Range | -52°C to +177°C | 9000 × 8 × 8 mm | 0.55 |
| 330171-00-20-10-02-00 | Long Length Proximity Probe | 8 mm | 1 m | 2 mm Linear Range | -52°C to +177°C | 2000 × 8 × 8 mm | 0.28 |
| 330171-00-28-05-02-00 | Extended Probe Assembly | 8 mm | 5 m | 2 mm Linear Range | -52°C to +177°C | 5000 × 8 × 8 mm | 0.38 |
| 330171-00-16-10-01-05 | Extended Shaft Monitoring Probe | 8 mm | 1 m | 2 mm Linear Range | -52°C to +177°C | 1600 × 8 × 8 mm | 0.24 |
| 330171-00-12-10-02-00 | Shaft Displacement Probe | 8 mm | 1 m | 2 mm Linear Range | -52°C to +177°C | 1200 × 8 × 8 mm | 0.20 |
Recommended Popular Models from the Same Brand
| Model | Product Type | Main Function | Compatible System | Operating Temperature | Dimensions | Weight (kg) |
|---|---|---|---|---|---|---|
| 330103-00-05-10-02-00 | 8 mm Proximity Probe | Shaft Vibration Measurement | 3300 XL Series | -52°C to +177°C | 100 × 8 mm | 0.15 |
| 330130-085-11-05 | Extension Cable | Signal Transmission | 3300 XL 8 mm System | -52°C to +177°C | 8500 × 8 × 8 mm | 0.62 |
| 330180-90-00 | Proximitor Sensor | Signal Conditioning | 3300 XL System | -35°C to +85°C | 120 × 80 × 55 mm | 0.58 |
| 3500/42M | Vibration Monitoring Module | Machinery Protection | 3500 System | 0°C to +65°C | 241 × 24 × 242 mm | 0.82 |
| 3500/22M | Communication Interface Module | System Data Communication | 3500 System | 0°C to +65°C | 241 × 24 × 242 mm | 0.79 |
Installation and Maintenance Recommendations
To achieve reliable measurement performance, the 330171-00-28-05-02-05 should be installed according to correct mechanical and electrical requirements.
Important installation considerations include:
- Maintain correct probe gap adjustment
- Ensure proper mounting alignment
- Avoid excessive cable bending
- Protect connectors from contamination
- Keep cables away from strong electromagnetic interference sources
- Confirm signal stability during commissioning
Regular inspection of the probe assembly, cable condition, and signal performance helps maintain measurement accuracy and improve machinery protection reliability.
Conclusion
The 330171-00-28-05-02-05 is a precision extended-length 8 mm eddy current proximity probe assembly belonging to the 3300 XL 8 mm Proximity Transducer Series.
With accurate non-contact measurement capability, extended installation flexibility, reliable signal transmission, excellent environmental resistance, and long-term operational stability, it is suitable for critical rotating machinery monitoring applications.
The product provides essential information for shaft vibration analysis, rotor displacement monitoring, and machinery protection systems.
Through continuous monitoring of rotating equipment conditions, the 330171-00-28-05-02-05 helps industries improve equipment reliability, reduce unexpected downtime, optimize maintenance planning, and extend the service life of important industrial machinery.