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- Bently Nevada
- 86691-01780-1300-15
- Vibration Probe
- USA
- 8 mm × 178 mm × 13000 mm
- 0.75kg
- Xiamen, China
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Bently Nevada 86691-01780-1300-15 Proximity Sensor Product Detailed Introduction and Technical Specification
1. Product Introduction
The 86691-01780-1300-15 is a high-precision industrial proximity sensor assembly designed for monitoring the operating condition of large rotating machinery.
The product is mainly used for measuring shaft displacement, radial vibration, axial movement, and rotor position changes in critical equipment. It uses advanced eddy current non-contact sensing technology, which allows accurate measurement of the distance between the sensor probe and the rotating shaft without any physical contact.
The non-contact design provides excellent stability and reliability during continuous machine operation. Because the probe does not directly touch the rotating shaft, there is no mechanical friction or wear, resulting in longer service life and consistent measurement performance.
The 86691-01780-1300-15 is designed for applications requiring accurate shaft position monitoring and reliable vibration detection. It is suitable for large industrial machines including turbines, compressors, generators, motors, pumps, and other high-speed rotating equipment.
During operation, the sensor continuously detects changes in shaft movement and provides important condition information for machinery protection systems. The measurement data helps identify potential mechanical issues such as rotor imbalance, excessive vibration, bearing degradation, shaft misalignment, and abnormal rotor movement.
The product is widely applied in industries where equipment reliability, production continuity, and operational safety are important. It supports predictive maintenance strategies by providing continuous monitoring information and helping reduce unexpected equipment downtime.
The 86691-01780-1300-15 represents a specific configuration within the 86691 series, including defined probe dimensions, cable length, and installation 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 86691-01780-1300-15 belongs to the 86691 Series Proximity Probe Product Family.
The 86691 series is designed for high-accuracy monitoring of rotating machinery where precise shaft displacement measurement and vibration detection are required.
This series provides reliable measurement solutions for critical industrial equipment operating under continuous and demanding conditions.
The product family is commonly used in machinery protection systems because it can detect very small changes in shaft position, allowing early identification of mechanical problems.
Main features of the 86691 series include:
- Eddy current non-contact measurement technology
- Accurate shaft displacement detection
- High sensitivity vibration monitoring
- Stable signal transmission
- Excellent resistance to industrial vibration
- Long operating life
- Wide temperature capability
- Multiple probe and cable configuration options
- Suitable for high-speed rotating equipment
The series is widely used in power generation equipment, industrial processing machinery, compressors, turbines, and other critical rotating systems.
4. Product Model Explanation
The model number 86691-01780-1300-15 represents a specific configured proximity sensor assembly.
The model code identifies different product characteristics, including:
- Probe mechanical structure
- Probe length
- Cable length
- Connection configuration
- Installation requirements
This model uses a 178 mm probe configuration with a 13-meter cable arrangement, providing extended installation capability for large industrial equipment.
The longer cable length allows the sensor to be installed on machines where the measurement point is located far away from the monitoring system cabinet.
The configuration is suitable for large rotating equipment installations requiring flexible mounting and reliable signal transmission.
5. Product Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 86691-01780-1300-15 |
| 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. 178 mm |
| Cable Length | Approx. 13 meters |
| Sensor Configuration | Probe with extension cable assembly |
| Operating Temperature Range | Approx. -35°C to +180°C |
| Signal Output | Analog displacement voltage signal |
| Measurement Accuracy | High precision shaft movement detection |
| Installation Method | Threaded mounting installation |
| Connection Type | Industrial sensor connection configuration |
| Environmental Resistance | Resistant to vibration, temperature changes, and industrial environments |
| Frequency Response | Suitable for high-speed rotating machinery |
| Application Equipment | Turbines, compressors, generators, pumps, motors |
| Sensor Construction | Industrial probe and long extension cable assembly |
| Dimensions | Approx. 8 mm diameter × 178 mm probe length × 13000 mm cable length |
| Weight | Approx. 0.75 kg |
6. Product Application
6.1 Steam Turbine Monitoring
The 86691-01780-1300-15 is suitable for steam turbine monitoring applications requiring reliable shaft position measurement.
Steam turbines operate at high rotational speeds and require continuous monitoring to maintain safe and efficient operation.
The sensor helps measure:
- Shaft vibration
- Rotor displacement
- Bearing operating condition
- Rotor stability
- Mechanical alignment
Continuous monitoring allows operators to identify abnormal conditions early and schedule maintenance before equipment damage occurs.
6.2 Gas Turbine Monitoring
Gas turbines operate under high temperature and high-speed conditions.
The sensor provides accurate rotor movement measurement for turbine protection systems.
Typical applications include:
- Rotor displacement monitoring
- Vibration analysis
- Mechanical condition evaluation
- Fault detection
The product improves turbine reliability and supports safer operation.
6.3 Compressor Monitoring
Large compressors require accurate shaft monitoring because mechanical instability can affect production and equipment safety.
The 86691-01780-1300-15 provides continuous shaft displacement measurement.
It helps detect:
- Rotor imbalance
- Shaft misalignment
- Bearing wear
- Excessive vibration
Applications include:
- Centrifugal compressors
- Process compressors
- High-speed industrial compressors
6.4 Generator Monitoring
Generators require reliable condition monitoring systems to ensure stable operation.
The sensor provides important rotor position information for equipment evaluation.
Applications include:
- Industrial generators
- Large electrical machines
- Power generation equipment
6.5 Pump and Motor Monitoring
Industrial pumps and motors often operate continuously under heavy loads.
The sensor helps monitor shaft movement and detect abnormal conditions.
It can identify:
- Bearing deterioration
- Coupling problems
- Mechanical looseness
- Rotor displacement changes
This improves equipment reliability and reduces unexpected downtime.
7. Product Advantages
7.1 High Accuracy Shaft Measurement
The product provides precise shaft displacement measurement.
Its high sensitivity allows detection of small rotor movement changes, making it suitable for critical machinery monitoring.
7.2 Non-contact Sensing Technology
The sensor operates without physical contact with the rotating shaft.
Advantages include:
- No mechanical wear
- Reduced maintenance requirements
- Long service life
- Stable measurement performance
7.3 Extended Installation Flexibility
The 13-meter cable configuration provides excellent installation flexibility.
It allows installation on large machines where the sensor location is far from the monitoring equipment.
This makes the product suitable for large turbines, compressors, and industrial machines with complex layouts.
7.4 Strong Industrial Reliability
The product is designed for continuous industrial operation.
It provides stable performance under:
- Mechanical vibration
- Temperature fluctuations
- Long operating periods
- Industrial environments
7.5 Supports Predictive Maintenance
The sensor provides continuous equipment condition information.
It helps users:
- Detect developing faults
- Improve maintenance planning
- Reduce unexpected shutdowns
- Increase machine availability
8. Recommended Same Series or Related Models
| Model | Product Type | Main Parameters | Dimensions | Weight (kg) | Application |
|---|---|---|---|---|---|
| 86691-01780-1300-15 | Proximity Sensor Assembly | 8 mm probe, 178 mm probe length, 13 m cable | Approx. 8 mm diameter × 178 mm probe × 13000 mm cable | 0.75 kg | Large rotating machinery monitoring |
| 86691-01250-0435-15 | Proximity Sensor Assembly | 8 mm probe, 125 mm probe length, 4.35 m cable | Approx. 8 mm diameter × 125 mm probe × 4350 mm cable | 0.36 kg | Turbine and compressor systems |
| 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 | Industrial machinery 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 | General rotating equipment |
| 3300 XL 8mm Probe | Eddy Current Probe | High accuracy shaft displacement measurement | Approx. 8 mm diameter × 85 mm length | 0.23 kg | Critical rotating equipment |
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 measurement | Approx. 8 mm diameter × 85 mm length | 0.23 kg | Turbine and compressor monitoring |
| 3300 XL Proximitor Sensor | Signal Conditioning Module | Probe signal processing and output conversion | 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 condition monitoring |
| 3500/25 | Keyphasor Module | Rotor speed and phase reference measurement | Approx. 120 mm × 50 mm × 120 mm | 0.42 kg | Rotating machinery synchronization |
10. Product Selection Summary
The 86691-01780-1300-15 is a high-performance proximity sensor assembly designed for monitoring large rotating machinery requiring extended installation distance.
The product uses non-contact eddy current sensing technology to provide accurate shaft displacement measurement and reliable vibration monitoring.
The long cable configuration makes it especially suitable for large industrial equipment where sensor installation points are located far from monitoring systems.
The product is especially suitable for:
- Steam turbine rotor monitoring
- Gas turbine protection
- Large compressor condition monitoring
- Generator vibration analysis
- Industrial rotating equipment protection
Main advantages include:
- High measurement accuracy
- Long-distance installation capability
- Non-contact sensing operation
- Strong industrial durability
- Stable signal transmission
- Long service life
The 86691-01780-1300-15 provides a reliable solution for critical rotating machinery monitoring and helps improve equipment safety, reduce maintenance costs, and increase operational efficiency.