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The Bently Nevada 330535-25-01 is a precision proximity transducer component designed for monitoring the operating condition of critical rotating machinery. It is part of the 3300 XL Proximity Transducer System series and is mainly used for accurate shaft displacement, vibration, and position measurement applications.
The product adopts eddy current sensing technology, which enables non-contact measurement between the sensor probe and the rotating shaft. By measuring changes in the electromagnetic field caused by shaft movement, the sensor can provide accurate and stable information about rotor position and vibration behavior.
The 330535-25-01 is designed for industrial machinery applications where high measurement accuracy, long-term stability, and reliable operation are required. It is commonly installed on large rotating equipment such as turbines, compressors, generators, pumps, and industrial motors.
The sensor operates as an important measurement element within a complete machinery monitoring system. It continuously detects shaft movement and provides proportional electrical signals that can be analyzed for equipment condition evaluation, vibration monitoring, and predictive maintenance.
Compared with traditional contact measurement methods, the non-contact sensing design reduces mechanical wear and improves measurement reliability during continuous operation. This makes the product suitable for high-speed rotating machinery operating under demanding industrial conditions.
The 330535-25-01 configuration includes an extended cable arrangement, providing additional installation flexibility for equipment where the monitoring electronics are installed away from the measurement point.
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| Item | Description |
|---|---|
| Model | Bently Nevada 330535-25-01 |
| Brand | Bently Nevada |
| Product Series | 3300 XL Proximity Transducer System |
| Product Type | Proximity Sensor Component |
| Sensor Technology | Eddy Current Non-contact Measurement Technology |
| Main Function | Shaft displacement and vibration monitoring |
| Measurement Method | Electromagnetic gap measurement |
| Installation Type | Industrial fixed installation |
| Application Field | Rotating machinery condition monitoring |
| Signal Type | Analog proportional displacement signal |
| Main Purpose | Machinery protection and predictive maintenance |
| Typical Equipment | Turbines, compressors, generators, pumps, motors |
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| Parameter | Specification |
|---|---|
| Model | 330535-25-01 |
| Product Series | 3300 XL Proximity Transducer System |
| Sensor Type | Eddy Current Proximity Probe |
| Probe Diameter | Approximately 8 mm |
| Measurement Principle | Eddy current electromagnetic sensing |
| 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 shaft gap distance |
| Frequency Response | Suitable for high-speed rotating machinery |
| Measurement Accuracy | High precision displacement measurement |
| Probe Material | Stainless steel alloy construction |
| Housing Material | Industrial corrosion-resistant material |
| Operating Temperature | Approximately -40°C to +177°C depending on application conditions |
| Mounting Method | Threaded mechanical installation |
| Environmental Capability | Resistant to vibration, temperature changes, and industrial environments |
| Signal Stability | Stable continuous measurement output |
| Cable Configuration | Extended cable configuration for flexible installation |
| Cable Length | Approximately 2.5 meters |
| Application Equipment | Turbines, compressors, generators, pumps, motors |
| Dimensions | Approx. 8 mm probe diameter × 80 mm probe length with 2.5 m cable |
| Weight | Approximately 0.42 kg |
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The proximity probe is the core measurement component responsible for detecting shaft movement.
The probe creates an electromagnetic field around the rotating shaft surface. When the shaft moves relative to the probe, the electromagnetic field changes. These changes are measured and converted into accurate displacement values.
The sensing element provides:
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The 330535-25-01 includes a cable configuration designed to provide installation flexibility.
The extended cable allows the sensing probe to be installed near the rotating shaft while allowing the monitoring electronics to be positioned at a suitable location.
Main functions:
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The product is designed to operate together with compatible monitoring equipment.
It provides important machine condition information including:
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Steam turbines require accurate shaft monitoring because rotor movement directly affects equipment reliability.
The product helps measure:
Continuous monitoring helps improve turbine operation stability and supports maintenance planning.
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Gas turbines operate under high-speed and high-temperature conditions.
The product supports:
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Compressors require reliable monitoring to avoid unexpected mechanical failures.
The product helps identify:
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Generators require accurate rotor condition monitoring.
The product provides measurement information for:
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Large pumps and motors often experience vibration caused by mechanical wear or imbalance.
The product supports monitoring of:
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The product provides precise shaft displacement measurement using advanced eddy current sensing technology.
It can detect very small movement changes, making it suitable for critical rotating equipment.
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The sensor measures shaft movement without physical contact.
Advantages include:
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The extended cable configuration allows easier installation in different machinery layouts.
Benefits include:
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The product is designed for continuous industrial operation.
It maintains stable output signals during extended monitoring periods.
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The product can operate in demanding industrial environments.
It provides reliable performance under:
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The product helps detect abnormal shaft movement before serious equipment problems occur.
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 precision, stable performance, industrial durability |
<br>
The 3300 XL Proximity Transducer System series is designed for monitoring critical rotating equipment that requires accurate shaft displacement and vibration measurement.
The series provides reliable sensing solutions for machinery protection and condition monitoring applications.
Main features:
The 330535-25-01 belongs to the 3300 XL proximity sensor family. It is designed for applications requiring accurate shaft monitoring with an extended cable configuration.
The product provides reliable measurement performance for large industrial rotating equipment where sensor installation distance and flexibility are important factors.
<br>
| Model | Series | Main Parameters | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330535-15-01 | 3300 XL Proximity Sensor Series | 8 mm proximity probe with 1.5 m cable configuration | Approx. 8 mm diameter × 80 mm probe + 1.5 m cable | 0.35 kg |
| 330535-25-00 | 3300 XL Proximity Sensor Series | Extended cable proximity sensor configuration | Approx. 8 mm diameter × 80 mm probe + 2.5 m cable | 0.42 kg |
| 330525-02 | 3300 XL Proximity Sensor Series | Shaft displacement monitoring sensor | Approx. 8 mm diameter × 80 mm length | 0.25 kg |
| 330505-02 | 3300 XL Proximity Sensor Series | Industrial vibration monitoring proximity sensor | Approx. 8 mm diameter × 80 mm length | 0.25 kg |
| 330180-50-00 | 3300 XL Probe Series | Precision 8 mm proximity probe for rotating equipment | Approx. 8 mm diameter × 1000 mm length | 0.27 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 sensor inputs | Approx. 241 mm × 24 mm × 119 mm | 0.60 kg |
| 3500/22M 138607-01 | 3500 Monitoring System | Machinery interface and communication module | Approx. 241 mm × 24 mm × 119 mm | 0.55 kg |
| 330180-50-00 | 3300 XL Series | High precision 8 mm proximity probe for shaft monitoring | Approx. 8 mm diameter × 1000 mm length | 0.27 kg |
| 330130-040-00-00 | 3300 XL Cable Series | Extension cable for proximity monitoring applications | Approx. 4000 mm cable length | 0.20 kg |
| 3300 XL 8 mm Proximity Probe | 3300 XL Series | Standard proximity sensing element for industrial machinery | Approx. 8 mm diameter × different length options | 0.25 kg |
<br>
The Bently Nevada 330535-25-01 is a precision proximity transducer component designed for accurate monitoring of rotating machinery operating conditions.
It uses eddy current non-contact sensing technology to provide reliable shaft displacement and vibration measurement. The extended cable design improves installation flexibility while maintaining stable measurement performance.
The product is suitable for turbines, compressors, generators, pumps, and motors where continuous shaft condition monitoring is required.
The main advantages include:
As part of the 3300 XL Proximity Transducer System series, the 330535-25-01 provides a dependable sensing solution for machinery condition monitoring, predictive maintenance, and rotating equipment protection applications.