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- Bently Nevada
- 330704-00-050-10-02-05
- 3300 XL 11mm Proximitor Sensor
- USA
- 8 mm
- 0.28kg
- Xiamen, China
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Bently Nevada 330704-00-050-10-02-05 Proximity Probe Assembly Product Overview
1. Product Introduction
The Bently Nevada 330704-00-050-10-02-05 is a high-precision proximity probe assembly designed for continuous monitoring of rotating machinery shaft displacement, vibration, and position changes. It belongs to the 3300 XL Proximity Transducer System series and is designed for industrial applications requiring reliable measurement accuracy, stable operation, and long service life.
The product uses eddy current sensing technology to provide non-contact measurement between the probe tip and the rotating shaft. This technology allows the system to detect very small changes in shaft position without physical contact, reducing mechanical wear and maintaining consistent measurement performance during long-term operation.
The 330704-00-050-10-02-05 is mainly used as a sensing element in machinery protection and condition monitoring systems. It provides accurate displacement signals that can be analyzed to evaluate machine operating conditions, identify abnormal vibration behavior, and support predictive maintenance programs.
The product is commonly installed on critical rotating equipment such as steam turbines, gas turbines, compressors, generators, pumps, and large industrial motors. These machines require continuous shaft monitoring because abnormal shaft movement may indicate problems such as rotor imbalance, misalignment, bearing deterioration, mechanical looseness, or other developing faults.
The model configuration includes an 8 mm proximity probe with an extension cable arrangement. The cable length and mechanical configuration provide flexibility when installing the sensor in different machinery layouts where the probe location and monitoring electronics are separated.
The non-contact measurement principle provides several benefits, including reduced mechanical stress, improved measurement stability, and longer operating life compared with traditional contact-based measurement methods.
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2. Product Basic Information
| Item | Description |
|---|---|
| Model | Bently Nevada 330704-00-050-10-02-05 |
| Brand | Bently Nevada |
| Product Series | 3300 XL Proximity Transducer System |
| Product Type | 8 mm Proximity Probe Assembly |
| Sensor Technology | Eddy Current Non-contact Measurement |
| Main Function | Shaft displacement and vibration monitoring |
| Measurement Method | Electromagnetic gap measurement |
| Installation Type | Industrial fixed mounting |
| Application Field | Rotating machinery condition 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 | 330704-00-050-10-02-05 |
| Product Series | 3300 XL Proximity Transducer System |
| Sensor Type | 8 mm Eddy Current Proximity Probe |
| Probe Diameter | Approximately 8 mm |
| Measurement Principle | Eddy current electromagnetic sensing |
| Measurement Method | Non-contact shaft displacement detection |
| Measurement Target | Shaft vibration, radial displacement, axial 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 |
| Accuracy | High precision displacement measurement |
| Probe Material | Stainless steel alloy construction |
| Extension Cable Type | Compatible 3300 XL extension cable |
| Cable Length | Approximately 0.5 meter |
| Connector Type | Industrial proximity system connector |
| Operating Temperature | Approximately -40°C to +177°C depending on installation conditions |
| Mounting Method | Threaded mechanical installation |
| Environmental Capability | Resistant to vibration, temperature variation, and industrial environments |
| Signal Stability | Stable continuous measurement output |
| Application Equipment | Turbines, compressors, generators, pumps, motors |
| Dimensions | Approx. 8 mm probe diameter × 80 mm probe length + 0.5 m cable |
| Weight | Approximately 0.28 kg |
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4. Product Structure Description
Proximity Probe Sensor 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 and the shaft changes, causing variations in the electromagnetic field.
These variations are converted into accurate electrical measurement signals.
Main characteristics:
- High precision shaft measurement
- Non-contact sensing operation
- Stable output performance
- Excellent repeatability
- Long operating lifetime
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Extension Cable Assembly
The extension cable connects the proximity probe with the monitoring system.
The cable assembly provides installation flexibility by allowing the sensor to be mounted close to the shaft while keeping monitoring equipment in a suitable location.
Main functions:
- Reliable signal transmission
- Flexible installation arrangement
- Stable electrical connection
- Reduced installation restrictions
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Mechanical Connection Structure
The probe assembly includes a mechanical mounting structure designed for industrial installation.
The mounting design provides:
- Secure installation
- Good vibration resistance
- Stable positioning
- Long-term operating reliability
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Monitoring System Integration
The product works together with compatible monitoring equipment to provide complete machinery condition information.
It supports monitoring of:
- Shaft vibration trends
- Rotor position changes
- Mechanical operating conditions
- Equipment health status
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5. Product Applications
Steam Turbine Monitoring
Steam turbines require accurate shaft monitoring to maintain safe and efficient operation.
The product helps measure:
- Rotor vibration
- Shaft displacement
- Mechanical imbalance
- Position changes
Continuous monitoring improves equipment reliability and helps prevent unexpected failures.
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Gas Turbine Applications
Gas turbines operate under high-speed and high-temperature conditions.
The product supports:
- Shaft position monitoring
- Rotor movement detection
- Vibration analysis
- Mechanical condition evaluation
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Compressor Condition Monitoring
Compressors require reliable vibration measurement because mechanical failures can affect production systems.
The product helps detect:
- Excessive vibration
- Rotor instability
- Shaft movement changes
- Alignment problems
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Generator Monitoring
Generators require continuous monitoring of rotor behavior.
The product provides measurement information for:
- Rotor displacement
- Shaft position
- Mechanical stability
- Operating condition changes
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Pumps and Motors
Industrial pumps and motors benefit from continuous vibration monitoring.
The product supports detection of:
- Shaft imbalance
- Mechanical looseness
- Vibration increases
- Equipment degradation
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6. Product Advantages
High Measurement Accuracy
The product provides accurate shaft displacement measurement using advanced eddy current sensing technology.
It can detect very small shaft movement variations and provide reliable information for machinery analysis.
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Non-Contact Sensing Technology
The sensor operates without physical contact with rotating components.
Advantages include:
- Reduced mechanical wear
- Extended operating life
- Improved measurement reliability
- Lower maintenance requirements
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Compact and Flexible Installation
The 0.5 meter cable configuration provides flexibility for equipment installation.
Benefits include:
- Easier sensor positioning
- Suitable for compact machinery layouts
- Simplified system integration
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Stable Long-Term Performance
The product is designed for continuous industrial operation.
It maintains stable signal output during long periods of machinery operation.
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Strong Environmental Resistance
The sensor is suitable for demanding industrial environments.
It can operate under:
- Mechanical vibration
- Temperature fluctuations
- Heavy machinery conditions
- Continuous operating cycles
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Reliable Machinery Protection
The product helps identify abnormal shaft conditions before serious damage occurs.
It supports:
- Predictive maintenance
- Early fault detection
- Reduced equipment downtime
- Improved operational 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, Process Industry, Heavy Machinery |
| Product Characteristics | High accuracy, stable operation, industrial durability |
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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 equipment.
The series provides accurate shaft displacement measurement and vibration monitoring capabilities for industrial machinery protection.
Main features:
- Eddy current non-contact sensing technology
- High precision measurement
- Stable output signals
- Excellent repeatability
- Strong environmental resistance
- Long operating service life
The 330704-00-050-10-02-05 belongs to the 3300 XL proximity probe assembly family.
This configuration is designed for applications requiring a compact cable arrangement while maintaining accurate shaft measurement capability.
It provides a reliable sensing solution for rotating equipment where installation space, measurement accuracy, and operational stability are important.
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9. Recommended Same Series or Related Models
| Model | Series | Main Parameters | Dimensions | Weight (kg) |
|---|---|---|---|---|
| 330704-00-050-10-02-05 | 3300 XL Proximity Probe Series | 8 mm probe with 0.5 m cable configuration | Approx. 8 mm diameter × 80 mm probe + 0.5 m cable | 0.28 kg |
| 330704-000-100-10-02-00 | 3300 XL Proximity Probe Series | 8 mm probe with 1 m cable assembly | Approx. 8 mm diameter × 80 mm probe + 1 m cable | 0.32 kg |
| 330703-000-060-10-02-00 | 3300 XL Proximity Probe Series | Compact 8 mm shaft monitoring probe | Approx. 8 mm diameter × 60 mm probe + cable | 0.30 kg |
| 330535-15-01 | 3300 XL Proximity Sensor Series | 8 mm proximity sensor with cable configuration | Approx. 8 mm diameter × 80 mm probe + 1.5 m cable | 0.35 kg |
| 330525-02 | 3300 XL Proximity Sensor Series | Standard shaft displacement sensor | Approx. 8 mm diameter × 80 mm length | 0.25 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 330704-00-050-10-02-05 is a precision proximity probe assembly designed for accurate monitoring of rotating machinery conditions.
It combines an 8 mm eddy current proximity probe with a compact cable configuration to provide reliable shaft displacement and vibration measurement.
The product is suitable for critical rotating equipment including turbines, compressors, generators, pumps, and motors.
Its main advantages include:
- High precision shaft displacement measurement
- Non-contact sensing technology
- Compact installation design
- Stable signal performance
- Strong environmental resistance
- Long operating service life
As part of the 3300 XL Proximity Transducer System series, the 330704-00-050-10-02-05 provides a dependable sensing solution for machinery condition monitoring, predictive maintenance, and rotating equipment protection applications.