1. Product Introduction
The Bently Nevada 330500-04-00 is a high-precision proximity transducer system designed for continuous monitoring of rotating machinery conditions. It is part of the 3300 XL Proximity Transducer System series and is mainly used for measuring shaft vibration, radial displacement, and axial position movement in critical industrial equipment.
The product uses advanced eddy current sensing technology to achieve non-contact measurement between the probe tip and the rotating shaft. This technology provides accurate displacement detection while eliminating mechanical contact between the sensor and the machine shaft, which significantly improves reliability and service life.
The 330500-04-00 model is designed for industrial applications that require stable and accurate shaft monitoring. It is commonly installed on large rotating equipment such as turbines, compressors, generators, motors, and pumps.
The system provides important operating information for machinery protection, fault diagnosis, and preventive maintenance. By continuously monitoring shaft movement, operators can identify abnormal mechanical conditions before serious equipment damage occurs.
The complete proximity transducer system normally includes a proximity probe, extension cable, and signal processing electronics. These components work together to convert shaft displacement into a proportional electrical output signal for monitoring and analysis.
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2. Product Basic Information
| Item |
Description |
| Model |
Bently Nevada 330500-04-00 |
| Brand |
Bently Nevada |
| Product Series |
3300 XL Proximity Transducer System |
| Product Type |
Eddy Current Proximity Transducer System |
| Sensor Type |
8 mm Proximity Probe |
| Measurement Principle |
Non-contact eddy current sensing technology |
| Main Function |
Shaft vibration and displacement monitoring |
| Cable Configuration |
4-meter system configuration |
| Application Field |
Rotating machinery condition monitoring |
| Installation Type |
Industrial fixed installation |
| Measurement Target |
Rotating shaft position and vibration |
| Output Signal |
Proportional voltage output |
| Product Purpose |
Machinery protection and predictive maintenance |
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3. Detailed Technical Parameters
| Parameter |
Specification |
| Model |
330500-04-00 |
| Product Series |
3300 XL Proximity Transducer System |
| Sensor Technology |
Eddy Current Measurement Technology |
| Probe Diameter |
8 mm |
| Cable Length |
0 meters extension cable configuration |
| Probe Type |
Standard proximity sensing probe |
| Measurement Method |
Non-contact electromagnetic displacement measurement |
| Measurement Object |
Shaft vibration, radial movement, axial position |
| Sensitivity |
Approximately 7.87 V/mm |
| Operating Voltage |
-24 VDC nominal |
| Output Type |
Analog voltage proportional to shaft displacement |
| Frequency Response |
Suitable for high-speed rotating machinery |
| Operating Temperature |
Approximately -40°C to +177°C depending on system configuration |
| Probe Material |
Stainless steel alloy |
| Connector Type |
Industrial standard connection interface |
| Mounting Method |
Threaded mechanical installation |
| Environmental Resistance |
Resistant to industrial vibration and temperature variation |
| Signal Stability |
High stability for continuous monitoring |
| Recommended Equipment |
Turbines, compressors, generators, motors, pumps |
| Dimensions |
Probe diameter approximately 8 mm × probe length approximately 80 mm |
| Weight |
Approximately 0.25 kg |
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4. Product Structure Description
Proximity Probe
The proximity probe is the main sensing element of the system. It is installed near the rotating shaft surface and measures the distance between the probe tip and shaft.
The probe generates an electromagnetic field and detects changes caused by shaft movement. These changes are converted into accurate displacement information.
Main features include:
- Non-contact measurement
- High sensitivity
- Excellent repeatability
- Low maintenance requirement
- Long service life
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Signal Transmission Structure
The 330500-04-00 configuration is designed for applications where the probe can be installed close to the monitoring electronics.
This configuration provides a compact installation solution while maintaining measurement accuracy and signal stability.
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Signal Processing Unit
The signal processing electronics receive the probe signal and convert it into a standardized output signal.
The processed signal can be used for:
- Vibration monitoring
- Alarm systems
- Machine protection
- Condition analysis
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5. Product Applications
Steam Turbine Monitoring
The product is widely used in steam turbine monitoring systems.
It provides continuous measurement of rotor movement and helps detect:
- Excessive shaft vibration
- Rotor imbalance
- Bearing problems
- Mechanical instability
This allows maintenance personnel to take corrective action before major failures occur.
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Gas Turbine Monitoring
Gas turbines operate under demanding conditions with high speed and temperature.
The proximity transducer system provides accurate shaft position measurement and supports reliable turbine protection.
Typical applications include:
- Rotor vibration monitoring
- Shaft displacement detection
- Operating condition evaluation
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Compressor Monitoring
Industrial compressors require reliable monitoring because rotor problems can affect production efficiency and equipment safety.
The product helps monitor:
- Shaft vibration trends
- Rotor movement
- Mechanical alignment
- Machine operating stability
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Generator Condition Monitoring
Generators require continuous monitoring to ensure stable operation.
The product provides important information about rotor condition and helps support maintenance planning.
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Motor and Pump Applications
Large industrial motors and pumps can develop vibration problems due to wear, imbalance, or misalignment.
The system helps detect abnormal shaft movement and improves equipment reliability.
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6. Product Advantages
High Measurement Accuracy
The product provides precise shaft displacement measurement through eddy current sensing technology.
The non-contact measurement method reduces mechanical influence and maintains high accuracy during continuous operation.
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Reliable Non-Contact Design
Because the probe does not physically contact the rotating shaft, the system avoids mechanical wear.
Benefits include:
- Reduced maintenance frequency
- Longer sensor life
- Stable measurement performance
- Improved reliability
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Excellent Long-Term Stability
The product is designed for industrial environments where continuous operation is required.
It maintains consistent output performance during long operating periods.
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Compact Installation Configuration
The 330500-04-00 configuration is suitable for installations where the sensor electronics are positioned close to the measurement point.
This provides a simple and efficient installation method.
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Strong Industrial Durability
The product is designed to withstand:
- Continuous vibration
- Temperature changes
- Industrial operating environments
- Long-term machinery operation
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Improved Equipment Protection
By continuously monitoring shaft movement, the system helps identify early warning signs of mechanical problems.
This reduces unexpected equipment shutdowns and improves maintenance efficiency.
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7. Brand Information
| Item |
Description |
| Brand |
Bently Nevada |
| Industry Field |
Industrial Machinery Monitoring |
| Main Product Categories |
Vibration Sensors, Proximity Systems, Machinery Protection Equipment |
| Application Areas |
Power Generation, Industrial Manufacturing, Process Equipment |
| Product Characteristics |
High accuracy, stable operation, industrial reliability |
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8. Product Series Information
3300 XL Proximity Transducer System Series
The 3300 XL Proximity Transducer System series is designed for monitoring the operating condition of critical rotating equipment.
The series provides different probe configurations, cable lengths, and installation options to meet different industrial requirements.
Main characteristics:
- High precision shaft displacement measurement
- Eddy current non-contact technology
- Stable signal transmission
- Long operating life
- Suitable for continuous machinery protection
The 330500-04-00 belongs to the 3300 XL proximity probe family and is designed for compact installation requirements where extended cable length is not required.
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9. Recommended Same Series or Related Models
| Model |
Series |
Main Parameters |
Dimensions |
Weight (kg) |
| 330500-03-04 |
3300 XL Proximity Transducer System |
8 mm probe, 4-meter cable configuration, shaft vibration measurement |
Approx. 8 mm diameter × 4000 mm cable length |
0.38 kg |
| 330500-03-03 |
3300 XL Proximity Transducer System |
8 mm probe, 3-meter cable system |
Approx. 8 mm diameter × 3000 mm cable length |
0.35 kg |
| 330500-03-05 |
3300 XL Proximity Transducer System |
8 mm probe, 5-meter cable configuration |
Approx. 8 mm diameter × 5000 mm cable length |
0.42 kg |
| 330101-00-08-10-02-00 |
3300 XL Series |
Standard 8 mm proximity probe system |
Approx. 8 mm diameter × 1000 mm length |
0.28 kg |
| 330180-50-00 |
3300 XL Probe Series |
High precision proximity sensing probe |
Approx. 8 mm diameter × 1000 mm length |
0.27 kg |
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10. Recommended Popular Models From The Same Brand
| Model |
Series |
Main Parameters |
Dimensions |
Weight (kg) |
| 3500/42M 140734-01 |
3500 Monitoring System |
Four-channel vibration monitoring module with proximity input support |
Approx. 241 mm × 24 mm × 119 mm |
0.60 kg |
| 3500/22M 138607-01 |
3500 Monitoring System |
Data interface module for machinery monitoring applications |
Approx. 241 mm × 24 mm × 119 mm |
0.55 kg |
| 330180-50-00 |
3300 XL Series |
8 mm proximity probe for shaft vibration measurement |
Approx. 8 mm diameter × 1000 mm length |
0.27 kg |
| 330130-040-00-00 |
3300 XL Extension Cable Series |
Extension cable for proximity sensor systems |
Approx. 4000 mm cable length |
0.20 kg |
| 3300 XL 8 mm Proximity Probe |
3300 XL Series |
Standard industrial proximity measurement probe |
Approx. 8 mm diameter × multiple length options |
0.25 kg |
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11. Product Selection Summary
The Bently Nevada 330500-04-00 is a reliable proximity transducer solution designed for industrial rotating machinery monitoring.
The product provides accurate shaft vibration and displacement measurement through eddy current sensing technology. Its compact configuration makes it suitable for installations where the sensor position is close to the monitoring equipment.
With advantages including high accuracy, non-contact measurement, stable operation, and strong environmental adaptability, the product is widely suitable for turbines, compressors, generators, motors, and other critical rotating machinery.
As a member of the 3300 XL Proximity Transducer System series, the 330500-04-00 provides dependable performance for machinery protection, condition monitoring, and predictive maintenance applications.
