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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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| 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 |
<br>
| 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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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:
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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:
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The mechanical design provides secure installation on industrial machinery.
Main features:
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The product can be connected with machinery monitoring systems to provide continuous equipment condition information.
It supports:
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Steam turbines require accurate shaft measurement to ensure safe operation.
The product helps monitor:
Continuous monitoring helps detect abnormal operating conditions early.
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Gas turbines operate under high-speed and demanding environments.
The product supports:
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Compressors require reliable condition monitoring for stable operation.
The product helps identify:
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Generators require accurate rotor condition measurement.
The product provides information for:
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Industrial pumps and motors require continuous monitoring to avoid unexpected failures.
The product helps detect:
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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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The sensor operates without physical contact with rotating components.
Advantages:
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The extended cable design allows installation on large equipment where monitoring electronics are positioned away from the sensing point.
Benefits:
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The product is designed for long-term industrial operation.
It provides stable output performance during continuous machinery operation.
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The sensor is suitable for harsh industrial environments.
It provides reliable performance under:
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The product provides early warning capability by monitoring shaft condition.
It supports:
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| 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 |
<br>
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:
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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| 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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| 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 |
<br>
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:
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.