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- Epro
- PR9376/010-021
- Speed/Proximity Sensor
- Germany
- 14 mm
- 0.21 kg
- Xiamen, China
- New & In Stock
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- 1-3 Working Days
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Overview
The Epro PR9376/010-021 is a Speed/Proximity Sensor designed for non-contact detection of rotational speed, position, and proximity conditions in industrial rotating machinery.
The sensor uses Hall effect technology to detect changes from ferromagnetic targets such as gear teeth or rotating components. It provides reliable speed measurement signals for machinery monitoring and protection systems, making it suitable for applications where accurate rotational monitoring and fast response are required.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | Epro |
| Model | PR9376/010-021 |
| Product Type | Speed/Proximity Sensor |
| Sensor Type | Hall Effect Sensor |
| Diameter | 14 mm |
| Weight | 0.21 kg |
| Measurement Principle | Hall Effect Detection |
| Main Function | Rotational Speed and Proximity Measurement |
| Detection Method | Non-contact Magnetic Detection |
| Application | Rotating Machinery Monitoring |
| Typical Equipment | Turbines, Compressors, Pumps, Fans |
Applications
Turbine Speed Monitoring
The Epro PR9376/010-021 is used for monitoring rotational speed in steam turbines, gas turbines, and other high-speed rotating equipment.
Overspeed Protection Systems
The sensor provides accurate speed signals for protection systems that monitor abnormal rotational conditions and prevent equipment damage.
Compressor Monitoring
It helps detect compressor shaft speed changes and provides reliable feedback for machinery control and protection applications.
Pump and Fan Speed Detection
The sensor is suitable for industrial pumps and fans where stable speed measurement is required.
Rotating Machinery Position Detection
It can be used for detecting gear teeth, rotational position, and machine movement status in industrial equipment.
How It Works
The Epro PR9376/010-021 operates using Hall effect sensing technology.
When a rotating magnetic target, such as a gear tooth or ferromagnetic component, passes near the sensor head, it changes the magnetic field detected by the internal Hall element. The sensor converts these changes into electrical pulse signals representing rotational speed or position.
The typical signal process is:
Rotating Target → PR9376 Sensor → Pulse Signal Output → Monitoring System
Because the sensor works without direct mechanical contact, it provides reliable operation with reduced wear and stable performance in continuous industrial applications.
Key Advantages
| Feature | Benefit |
|---|---|
| Non-contact Detection | Eliminates mechanical contact and improves service life. |
| Fast Response Performance | Suitable for high-speed rotating equipment monitoring. |
| Accurate Speed Measurement | Provides reliable rotational speed feedback. |
| Compact Sensor Design | Allows installation in limited mounting spaces. |
| Stable Signal Output | Supports machinery control and protection systems. |
| Industrial Reliability | Designed for continuous operation in demanding environments. |
Related Components
| Component | Function |
|---|---|
| PR9376/010-021 Sensor | Detects rotational speed and proximity signals. |
| Speed Monitoring Module | Processes speed signals and provides alarms. |
| Machinery Protection System | Monitors operating conditions and equipment safety. |
| Gear Wheel / Target Component | Provides the magnetic detection target. |
| Signal Processing Unit | Converts and analyzes sensor output signals. |
| Control System | Uses speed feedback for monitoring and control. |
Installation
The Epro PR9376/010-021 should be installed near the rotating target component according to the requirements of the speed monitoring system.
Before installation, check:
- Correct sensor mounting position
- Target material compatibility
- Sensor alignment
- Detection gap
- Cable connection condition
- Monitoring system compatibility
The sensor should maintain the correct distance from the rotating target to ensure stable pulse signal generation. Incorrect installation position or excessive gap may result in unreliable speed detection.
After installation, verify the output signal and confirm that the monitoring system receives accurate speed information.
Troubleshooting
| Problem | Possible Cause | Recommended Check |
|---|---|---|
| No Speed Signal | Wiring problem or sensor failure | Check cable connection and sensor power supply. |
| Incorrect Speed Reading | Improper detection gap | Verify sensor position and target distance. |
| Signal Instability | Target condition or interference issue | Check target surface and installation environment. |
| Missing Pulse Signal | Incorrect target alignment | Inspect gear teeth or magnetic detection area. |
| Abnormal Monitoring Alarm | Sensor or system configuration issue | Check sensor output and monitoring parameters. |
Recommended Models
| Model | Product Type | Application |
|---|---|---|
| PR9376/010-021 | Speed/Proximity Sensor | Rotational speed monitoring |
| PR9376/000-021 | Hall Effect Speed Sensor | Industrial speed detection |
| PR9376/010-001 | Hall Effect Speed/Proximity Sensor | Turbomachinery monitoring |
| PR9268/605-000 | Electric Speed Sensor | Vibration and machine monitoring |
| PR6423 Series | Eddy Current Sensor | Shaft displacement measurement |
| MMS Series | Machinery Monitoring System | Equipment protection applications |
Related Products
| Product / Series | Product Type | Main Use |
|---|---|---|
| Epro PR9376 Series | Speed/Proximity Sensor | Rotational speed detection |
| Epro PR9268 Series | Velocity Sensor | Vibration monitoring |
| Epro PR6423 Series | Eddy Current Sensor | Shaft displacement monitoring |
| Epro PR6424 Series | Eddy Current Sensor | Large shaft measurement |
| Epro MMS Series | Machinery Monitoring System | Rotating equipment protection |
| Speed Monitoring Modules | Protection Equipment | Overspeed and speed control |
Technical FAQs
1. What is the main function of the Epro PR9376/010-021?
It is used for non-contact measurement of rotational speed and proximity conditions in industrial rotating machinery.
2. What sensing technology does the PR9376/010-021 use?
It uses Hall effect technology to detect magnetic field changes from rotating ferromagnetic targets.
3. What equipment can use this sensor?
It is commonly used in turbines, compressors, pumps, fans, and other rotating machinery.
4. Why is non-contact detection important for speed sensors?
Non-contact operation reduces mechanical wear and provides stable performance during continuous machine operation.
5. What should be checked if the speed signal is unstable?
Check the sensor gap, target condition, wiring connection, power supply, and monitoring system configuration.