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- 86691-01250-0400-15-06
- Vibration Probe
- USA
- 8 mm × 125 mm × 4000 mm
- 0.35kg
- Xiamen, China
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Bently Nevada 86691-01250-0400-15-06 Proximity Sensor Product Detailed Introduction and Technical Specification
1. Product Introduction
The 86691-01250-0400-15-06 is a precision industrial proximity sensor assembly designed for monitoring the operating condition and mechanical performance of rotating machinery.
The product is mainly used for measuring shaft displacement, radial vibration, axial movement, and rotor position changes in critical rotating equipment. It adopts eddy current non-contact sensing technology, which allows the sensor to accurately detect the distance between the probe tip and the rotating shaft surface without physical contact.
The non-contact measurement design provides excellent stability during continuous operation. Because the sensor does not touch the rotating component, mechanical wear is eliminated, improving measurement consistency and extending operating life.
The 86691-01250-0400-15-06 is designed for machinery protection and condition monitoring applications where accurate displacement measurement and reliable signal transmission are required.
The sensor is suitable for large rotating equipment including steam turbines, gas turbines, compressors, generators, motors, pumps, and other industrial machines requiring continuous condition monitoring.
During equipment operation, the sensor continuously monitors shaft movement and vibration behavior. The collected information can be used to identify abnormal operating conditions such as excessive vibration, rotor imbalance, bearing degradation, shaft misalignment, and mechanical instability.
The product is especially suitable for industries where equipment reliability and production continuity are important. It supports predictive maintenance programs by providing continuous machine condition information.
The 86691-01250-0400-15-06 represents a specific configured version within the product family, including defined probe dimensions, cable length, mechanical configuration, and connection characteristics.
2. Brand Information
| Parameter | Description |
|---|---|
| Brand | Bently Nevada |
| Product Category | Industrial Proximity Sensor Assembly |
| Product Type | Eddy Current Displacement Probe |
| Main Function | Shaft displacement and vibration monitoring |
| Measurement Technology | Non-contact eddy current sensing |
| Application Field | Rotating machinery condition monitoring |
| Typical Equipment | Turbines, compressors, generators, pumps, motors |
| Product Position | High reliability machinery protection component |
3. Product Series Information
The 86691-01250-0400-15-06 belongs to the 86691 Series Proximity Probe Product Family.
The 86691 series is designed for high-accuracy monitoring of rotating machinery. It provides reliable shaft displacement measurement and vibration detection for equipment operating under demanding industrial conditions.
This product family focuses on precision measurement, equipment protection, and predictive maintenance applications.
The series is commonly selected for critical machines where small changes in rotor movement may indicate developing mechanical issues.
Main characteristics of the 86691 series include:
- Eddy current displacement measurement technology
- Non-contact shaft position monitoring
- High sensitivity vibration detection
- Stable measurement signal output
- Excellent resistance to vibration
- Wide industrial temperature capability
- Long operational service life
- Multiple probe and cable configuration options
The series is widely applied in power generation, petrochemical processing, heavy manufacturing, and industrial rotating machinery applications.
4. Product Model Explanation
The model number 86691-01250-0400-15-06 represents a configured proximity sensor assembly.
The model structure identifies specific product characteristics, including:
- Probe mechanical configuration
- Probe length specification
- Cable length
- Sensor arrangement
- Connector configuration
- Installation requirements
The additional suffix -06 indicates a specific configuration option within the sensor family, allowing the product to meet different installation and system integration requirements.
This configuration is designed for applications requiring accurate shaft measurement with a defined mechanical installation arrangement.
5. Product Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 86691-01250-0400-15-06 |
| Product Type | Proximity Sensor Assembly |
| Measurement Principle | Eddy current non-contact displacement measurement |
| Measuring Target | Conductive metal rotating shaft |
| Main Function | Shaft vibration, radial displacement, axial position monitoring |
| Probe Diameter | Approx. 8 mm |
| Probe Length | Approx. 125 mm |
| Cable Length | Approx. 4 meters |
| Configuration Type | Probe and extension cable assembly |
| Connector Configuration | Industrial sensor connection type |
| Operating Temperature Range | Approx. -35°C to +180°C |
| Signal Output | Analog displacement voltage signal |
| Measurement Accuracy | High precision shaft movement measurement |
| Installation Method | Threaded mounting installation |
| Environmental Resistance | Resistant to vibration, temperature variation, and industrial environments |
| Frequency Response | Suitable for high-speed rotating machinery |
| Application Equipment | Turbines, compressors, generators, pumps, motors |
| Sensor Construction | Industrial probe with extension cable |
| Dimensions | Approx. 8 mm diameter × 125 mm probe length × 4000 mm cable length |
| Weight | Approx. 0.35 kg |
6. Product Application
6.1 Steam Turbine Monitoring
The 86691-01250-0400-15-06 is suitable for steam turbine monitoring applications requiring accurate rotor movement measurement.
Steam turbines operate at high rotational speeds and require reliable monitoring to maintain safe operation.
The sensor helps monitor:
- Shaft vibration
- Rotor displacement
- Bearing condition
- Rotor stability
- Mechanical alignment
By continuously monitoring shaft movement, operators can detect abnormal conditions early and arrange maintenance before serious damage occurs.
6.2 Gas Turbine Monitoring
Gas turbines operate under extreme temperature and speed conditions.
The sensor provides accurate shaft position information for turbine protection systems.
Typical applications include:
- Rotor displacement measurement
- Vibration monitoring
- Mechanical condition evaluation
- Equipment protection
The product improves operating reliability and supports efficient maintenance planning.
6.3 Compressor Monitoring
Compressors are critical rotating machines used in many industrial processes.
The 86691-01250-0400-15-06 provides continuous monitoring of shaft movement and helps identify mechanical abnormalities.
It is suitable for:
- Centrifugal compressors
- Process compressors
- High-speed compressors
The sensor helps detect:
- Rotor imbalance
- Shaft misalignment
- Bearing problems
- Excessive vibration
6.4 Generator Monitoring
Generators require stable and reliable operation over long periods.
The sensor provides rotor displacement information and supports condition evaluation.
Typical applications include:
- Industrial generators
- Power generation equipment
- Large rotating electrical machines
6.5 Pump and Motor Monitoring
Industrial pumps and motors often operate continuously under heavy loads.
The sensor provides early warning information by monitoring shaft movement.
It helps identify:
- Bearing wear
- Coupling problems
- Mechanical looseness
- Shaft deformation
This improves equipment reliability and reduces unexpected downtime.
7. Product Advantages
7.1 High Precision Measurement
The 86691-01250-0400-15-06 provides accurate shaft displacement measurement.
Its high sensitivity allows detection of small mechanical changes, making it suitable for critical equipment monitoring.
7.2 Non-contact Operation
The sensor operates without physical contact with the rotating shaft.
Advantages include:
- No mechanical friction
- Reduced wear
- Longer service life
- Stable measurement accuracy
7.3 Strong Industrial Reliability
The product is designed for demanding industrial environments.
It can operate reliably under:
- Continuous vibration
- Temperature fluctuations
- Long operating cycles
- Industrial working conditions
7.4 Flexible Installation Design
The 4-meter cable configuration provides installation flexibility.
It allows the sensor to be installed in machinery layouts where the monitoring equipment is located at a different position.
7.5 Predictive Maintenance Capability
The sensor provides continuous equipment condition information.
It helps users:
- Detect faults earlier
- Improve maintenance scheduling
- Reduce unexpected shutdowns
- Increase machine availability
8. Recommended Same Series or Related Models
| Model | Product Type | Main Parameters | Dimensions | Weight (kg) | Application |
|---|---|---|---|---|---|
| 86691-01250-0400-15-06 | Proximity Sensor Assembly | 8 mm probe, 125 mm probe length, 4 m cable, configured connection | Approx. 8 mm diameter × 125 mm probe × 4000 mm cable | 0.35 kg | Critical rotating machinery monitoring |
| 86691-01250-0400-15 | Proximity Sensor Assembly | 8 mm probe, 125 mm probe length, 4 m cable | Approx. 8 mm diameter × 125 mm probe × 4000 mm cable | 0.33 kg | Turbine and compressor monitoring |
| 86691-00680-0350-90 | Proximity Sensor Assembly | 8 mm probe, 68 mm probe length, 3.5 m cable | Approx. 8 mm diameter × 68 mm probe × 3500 mm cable | 0.28 kg | Industrial machinery monitoring |
| 86691-00680-0500-90 | Proximity Sensor Assembly | 8 mm probe, 68 mm probe length, 5 m cable | Approx. 8 mm diameter × 68 mm probe × 5000 mm cable | 0.32 kg | Large rotating equipment |
| 3300 XL 8mm Probe | Eddy Current Probe | High accuracy shaft displacement measurement | Approx. 8 mm diameter × 85 mm length | 0.23 kg | Turbine and compressor systems |
9. Recommended Popular Models from the Same Brand
| Model | Product Type | Main Parameters | Dimensions | Weight (kg) | Application |
|---|---|---|---|---|---|
| 3500/42M | Vibration Monitoring Module | Four-channel vibration and displacement monitoring | Approx. 120 mm × 50 mm × 120 mm | 0.45 kg | Machinery protection systems |
| 3300 XL 8mm Probe | Proximity Probe | Eddy current sensing, precision shaft displacement measurement | Approx. 8 mm diameter × 85 mm length | 0.23 kg | Turbine and compressor monitoring |
| 3300 XL Proximitor Sensor | Signal Conditioning Module | Probe signal conversion and monitoring output processing | Approx. 25 mm × 80 mm × 100 mm | 0.30 kg | Industrial monitoring systems |
| 3500/22M | Data Interface Module | Machinery monitoring communication interface | Approx. 120 mm × 50 mm × 120 mm | 0.40 kg | Plant monitoring networks |
| 3500/25 | Keyphasor Module | Rotor phase reference and speed measurement | Approx. 120 mm × 50 mm × 120 mm | 0.42 kg | Rotating equipment synchronization |
10. Product Selection Summary
The 86691-01250-0400-15-06 is a high-precision proximity sensor assembly designed for advanced rotating machinery monitoring.
Its eddy current non-contact sensing technology provides accurate shaft displacement measurement while maintaining excellent stability during continuous operation.
The product is especially suitable for:
- Steam turbine monitoring
- Gas turbine protection
- Compressor condition monitoring
- Generator vibration analysis
- Industrial pump and motor monitoring
Main advantages include:
- High measurement accuracy
- Non-contact sensing technology
- Strong industrial durability
- Flexible installation configuration
- Stable signal transmission
- Long operational service life
The 86691-01250-0400-15-06 provides a reliable monitoring solution for critical rotating equipment and helps improve machine safety, reduce maintenance costs, and increase overall operational efficiency.