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- Bently Nevada
- 330901-05-55-05-11-05
- 3300 NSv Proximity Probe
- USA
- 8 mm
- 0.65kg
- Xiamen, China
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Bently Nevada 330901-05-55-05-11-05 Proximity Probe Assembly Product Overview
1. Product Introduction
The Bently Nevada 330901-05-55-05-11-05 is a high-performance proximity probe assembly designed for precise monitoring of rotating machinery shaft vibration, displacement, and position. It belongs to the 3300 XL Proximity Transducer System series and is developed for industrial applications where accurate measurement, reliable operation, and long-term stability are required.
The product uses eddy current sensing technology to perform non-contact measurement between the probe tip and the rotating shaft surface. By measuring changes in the electromagnetic field caused by variations in the probe gap, the sensor provides accurate displacement information for machinery monitoring systems.
The 330901-05-55-05-11-05 is mainly used as a sensing component in machinery protection and predictive maintenance systems. It continuously monitors shaft movement and provides important operating data that helps identify abnormal mechanical conditions, including excessive vibration, rotor instability, misalignment, and other potential equipment issues.
The product is suitable for installation on critical rotating equipment such as steam turbines, gas turbines, compressors, generators, pumps, and large industrial motors. These machines require highly reliable monitoring because even small changes in shaft movement may indicate developing mechanical problems.
The probe assembly includes a precision sensing probe, extension cable, and mechanical connection components. The configuration provides installation flexibility for different equipment structures and allows the sensor to be installed in locations where reliable shaft measurement is necessary.
The non-contact operating principle allows the sensor to work without physical contact with the rotating shaft. This design eliminates mechanical wear, improves measurement consistency, and increases service life compared with contact-type measurement devices.
The 330901-05-55-05-11-05 provides accurate shaft displacement monitoring and is widely used in rotating equipment condition monitoring systems requiring stable measurement performance.
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2. Product Basic Information
| Item | Description |
|---|---|
| Model | Bently Nevada 330901-05-55-05-11-05 |
| Brand | Bently Nevada |
| Product Series | 3300 XL Proximity Transducer System |
| Product Type | Proximity Probe Assembly |
| Sensor Technology | Eddy Current Non-contact Measurement |
| Main Function | Shaft vibration and displacement monitoring |
| Measurement Method | Electromagnetic gap measurement |
| Installation Type | Threaded industrial installation |
| Application Field | Rotating machinery monitoring |
| Output Signal | Analog proportional displacement signal |
| Main Purpose | Machinery protection and predictive maintenance |
| Typical Equipment | Turbines, compressors, generators, pumps, motors |
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3. Detailed Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330901-05-55-05-11-05 |
| Product Series | 3300 XL Proximity Transducer System |
| Sensor Type | Eddy Current Proximity Probe Assembly |
| Probe Diameter | Approximately 8 mm |
| Probe Design | Industrial proximity probe with extension cable |
| Measurement Principle | Eddy current electromagnetic sensing technology |
| Measurement Method | Non-contact shaft displacement measurement |
| Measurement Target | Radial vibration, axial displacement, rotor position |
| Sensitivity | Approximately 7.87 V/mm |
| Operating Voltage | -24 VDC nominal |
| Output Signal | Voltage proportional to probe gap distance |
| Frequency Response | Suitable for high-speed rotating machinery |
| Accuracy | High precision displacement measurement |
| Probe Material | Stainless steel industrial alloy |
| Cable Configuration | Probe with extension cable assembly |
| Extension Cable Length | Approximately 5 meters |
| Total Cable Length | Configuration dependent |
| Connector Type | Industrial proximity system connector |
| Mounting Method | Threaded mechanical mounting |
| Operating Temperature | Approximately -40°C to +177°C depending on installation conditions |
| Environmental Capability | Resistant to vibration, temperature variation, and industrial environments |
| Signal Stability | Stable continuous analog output |
| Application Equipment | Turbines, compressors, generators, pumps, motors |
| Dimensions | Approx. 8 mm probe diameter × 80 mm probe body + 5 m cable assembly |
| Weight | Approximately 0.65 kg |
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4. Product Structure Description
Proximity Probe Sensing Element
The proximity probe is the primary sensing component responsible for detecting shaft movement.
The probe generates a high-frequency electromagnetic field near the rotating shaft. When the shaft position changes, the distance between the probe tip and shaft surface changes, causing variations in the electromagnetic field.
These changes are converted into electrical signals representing shaft displacement.
Main characteristics:
- High accuracy measurement
- Non-contact operation
- Stable output signal
- Excellent repeatability
- Long service life
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Extension Cable Assembly
The extension cable connects the proximity probe to the monitoring system.
The extended cable design allows installation flexibility when the sensor location and monitoring equipment are separated by a longer distance.
Main functions:
- Reliable signal transmission
- Flexible installation arrangement
- Stable electrical performance
- Reduced installation limitations
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Mechanical Connection Structure
The mechanical design provides secure installation on industrial machinery.
Main features:
- Strong mechanical stability
- Vibration resistance
- Accurate probe positioning
- Long-term operating reliability
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Monitoring System Integration
The product can be connected with machinery monitoring systems to provide continuous equipment condition information.
It supports:
- Shaft vibration monitoring
- Rotor displacement analysis
- Equipment health evaluation
- Machinery protection applications
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5. Product Applications
Steam Turbine Monitoring
Steam turbines require accurate shaft measurement to ensure safe operation.
The product helps monitor:
- Rotor vibration
- Shaft displacement
- Rotor position
- Mechanical stability
Continuous monitoring helps detect abnormal operating conditions early.
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Gas Turbine Applications
Gas turbines operate under high-speed and demanding environments.
The product supports:
- Shaft movement monitoring
- Rotor position measurement
- Vibration analysis
- Mechanical condition evaluation
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Compressor Monitoring
Compressors require reliable condition monitoring for stable operation.
The product helps identify:
- Excessive vibration
- Rotor instability
- Mechanical imbalance
- Shaft movement changes
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Generator Monitoring
Generators require accurate rotor condition measurement.
The product provides information for:
- Rotor displacement
- Shaft position
- Mechanical performance
- Operating condition evaluation
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Pumps and Motors
Industrial pumps and motors require continuous monitoring to avoid unexpected failures.
The product helps detect:
- Shaft imbalance
- Mechanical looseness
- Increasing vibration
- Equipment degradation
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6. Product Advantages
High Precision Shaft Measurement
The product provides accurate displacement measurement using eddy current sensing technology.
It can detect very small shaft movement changes and provide reliable data for machinery analysis.
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Non-Contact Measurement Technology
The sensor operates without physical contact with rotating components.
Advantages:
- No mechanical wear
- Extended operating life
- Improved measurement stability
- Reduced maintenance requirements
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Long Cable Configuration Flexibility
The extended cable design allows installation on large equipment where monitoring electronics are positioned away from the sensing point.
Benefits:
- Suitable for large machinery layouts
- Flexible installation distance
- Easier system arrangement
- Improved application adaptability
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Reliable Continuous Monitoring
The product is designed for long-term industrial operation.
It provides stable output performance during continuous machinery operation.
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Strong Industrial Durability
The sensor is suitable for harsh industrial environments.
It provides reliable performance under:
- Mechanical vibration
- Temperature changes
- Heavy equipment operation
- Long working cycles
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Improved Machinery Protection
The product provides early warning capability by monitoring shaft condition.
It supports:
- Predictive maintenance
- Fault identification
- Reduced downtime
- Improved equipment reliability
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7. Brand Information
| Item | Description |
|---|---|
| Brand | Bently Nevada |
| Industry Field | Industrial Machinery Monitoring |
| Main Product Categories | Proximity Sensors, Vibration Monitoring Equipment, Machinery Protection Systems |
| Application Industries | Energy, Manufacturing, Heavy Industry, Process Equipment |
| Product Characteristics | High accuracy, stable performance, 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 continuous monitoring of critical rotating machinery.
The series provides accurate shaft displacement and vibration measurement for machinery protection and predictive maintenance applications.
Main features:
- Eddy current non-contact sensing technology
- High measurement accuracy
- Stable analog output
- Excellent repeatability
- Strong resistance to industrial environments
- Long operating service life
The 330901-05-55-05-11-05 belongs to the 3300 XL proximity probe assembly family.
This model is designed for applications requiring extended cable distance, reliable signal transmission, and accurate shaft monitoring.
It provides a dependable sensing solution for large rotating equipment operating in demanding industrial conditions.
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9. Recommended Same Series or Related Models
| Model | Series | Main Parameters | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330901-05-55-05-11-05 | 3300 XL Proximity Probe Series | 8 mm proximity probe with approximately 5 m cable assembly | Approx. 8 mm diameter × 80 mm probe + 5 m cable | 0.65 kg |
| 330901-00-40-10-02-05 | 3300 XL Proximity Probe Series | Industrial proximity probe with extension cable | Approx. 8 mm diameter × 80 mm probe + 4 m cable | 0.55 kg |
| 330881-28-04-180-06-02 | 3300 XL Proximity Probe Series | 8 mm probe with 1.8 m cable configuration | Approx. 8 mm diameter × 80 mm probe + 1.8 m cable | 0.40 kg |
| 330881-28-00-050-03-02 | 3300 XL Proximity Probe Series | Compact proximity probe assembly | Approx. 8 mm diameter × 80 mm probe + 0.5 m cable | 0.30 kg |
| 330780-X1-00 | 3300 XL Proximity Transducer Series | Precision proximity transducer sensor | Approx. 8 mm diameter × 80 mm probe with cable assembly | 0.35 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 supporting proximity inputs | Approx. 241 mm × 24 mm × 119 mm | 0.60 kg |
| 3500/22M 138607-01 | 3500 Monitoring System | Machinery communication interface module | Approx. 241 mm × 24 mm × 119 mm | 0.55 kg |
| 330180-50-00 | 3300 XL Series | High precision 8 mm proximity probe | Approx. 8 mm diameter × 1000 mm length | 0.27 kg |
| 330130-040-00-00 | 3300 XL Cable Series | Extension cable for proximity monitoring systems | Approx. 4000 mm cable length | 0.20 kg |
| 3300 XL 8 mm Proximity Probe | 3300 XL Series | Standard industrial proximity sensing component | Approx. 8 mm diameter × different length options | 0.25 kg |
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11. Product Selection Summary
The Bently Nevada 330901-05-55-05-11-05 is a precision proximity probe assembly designed for monitoring critical rotating machinery.
It combines accurate eddy current sensing technology with an extended cable configuration to provide reliable shaft displacement measurement and flexible installation capability.
The product is suitable for turbines, compressors, generators, pumps, and large industrial motors where continuous condition monitoring is required.
Main advantages:
- High precision shaft displacement monitoring
- Non-contact measurement technology
- Extended installation distance capability
- Stable signal transmission
- Strong industrial durability
- Long operating service life
As part of the 3300 XL Proximity Transducer System series, the 330901-05-55-05-11-05 provides a reliable sensing solution for machinery condition monitoring, predictive maintenance, and rotating equipment protection applications.