Epro PR9376/010-0113 Speed/ Proximity Sensor

Product Introduction

The Epro PR9376/010-0113 Speed/Proximity Sensor is a high-precision, non-contact transducer designed for monitoring the rotational speed and proximity of moving ferromagnetic components in industrial machinery. Manufactured by Epro, a global leader in condition monitoring and protection systems, this model is engineered for demanding environments where reliability, accuracy, and stability are crucial.

Using the variable reluctance principle, the sensor generates an output voltage signal proportional to the speed of a metallic target, such as a gear or shaft. It provides consistent, noise-resistant signal performance even under extreme vibration, temperature variation, and electromagnetic interference. Its rugged stainless-steel body with a 14 mm diameter allows for compact installation in tight or exposed industrial locations, ensuring long-term durability and dependable performance.

Product Parameters

Product Applications

The Epro PR9376/010-0113 sensor is used in industrial environments that demand accurate, real-time measurement of machine rotational speed and proximity. Its performance and robustness make it ideal for:

• Turbine Speed Monitoring: Used in gas and steam turbines for speed detection and overspeed protection.

• Compressor Control Systems: Provides feedback for monitoring rotor speed to maintain efficiency and safety.

• Gearbox Condition Monitoring: Measures gear tooth passage frequency for detecting faults or slippage.

• Motor and Generator Systems: Tracks shaft rotation for synchronization and performance control.

• Pump Monitoring: Ensures accurate rotational speed feedback for process reliability.

• Industrial Automation Systems: Used for rotational feedback and control loops in automated machinery.

Product Advantages

The Epro PR9376/010-0113 Speed/Proximity Sensor delivers multiple benefits that make it one of the most dependable solutions in industrial speed and proximity measurement:

• Non-contact Operation: Provides precise speed sensing without physical wear or frictional degradation.

• Self-powered Design: Generates its own signal without requiring an external power source.

• High Signal Stability: Maintains accuracy under vibration, temperature shifts, and electromagnetic fields.

• Compact and Robust Construction: Small 14 mm diameter housing ideal for restricted installation environments.

• Wide Frequency Range: Supports broad speed detection across various machinery types.

• Excellent Environmental Resistance: IP67-rated for oil, dust, and water ingress protection.

• Stainless Steel Housing: Corrosion-resistant body suitable for aggressive industrial atmospheres.

• Fast Dynamic Response: Real-time detection of speed variations for system protection.

• Integration Ready: Compatible with Epro, Bently Nevada, and other condition monitoring systems.

• Maintenance-Free Operation: Durable sensor head ensures long operational life with minimal intervention.

FAQ

1. What sensing technology does the PR9376/010-0113 use?
   It utilizes variable reluctance technology, where a voltage is induced as ferromagnetic targets move past the sensing face, generating a speed-dependent output signal.

2. Can the PR9376/010-0113 operate without an external power source?
   Yes, it is a passive, self-generating sensor that produces an AC voltage signal based on target motion, requiring no external excitation voltage.

3. Is the sensor output linear with speed?
   Yes, the output frequency and amplitude are directly proportional to the target’s rotational speed, ensuring accurate linear response.

4. What materials are suitable as targets for this sensor?
   The sensor is designed to detect ferromagnetic materials such as carbon steel, stainless steel, or iron-based alloys.

5. Can it be used in high-vibration environments?
   Yes, it has high vibration resistance (up to 50 g) and maintains stability in severe mechanical conditions.

6. How does temperature affect performance?
   The sensor provides stable signal output across its full temperature range from -35°C to +125°C, with minimal drift.

7. Is the PR9376/010-0113 suitable for turbine overspeed detection?
   Absolutely. It is widely used in turbine and compressor systems for accurate speed measurement and overspeed protection.

8. What is the recommended air gap between the probe and the target?
   The optimal gap is between 0.5 mm and 2.0 mm to achieve accurate and stable signal output.

9. Can this sensor be connected directly to a monitoring system?
   Yes, it can interface directly with Epro MMS systems, Bently Nevada monitoring modules, or other industrial speed input devices.

10. What type of cable should be used for installation?
    Use shielded twisted-pair cables to minimize electrical noise and maintain signal integrity over long cable runs.

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FAQ

1. What sensing technology does the PR9376/010-0113 use?
   It utilizes variable reluctance technology, where a voltage is induced as ferromagnetic targets move past the sensing face, generating a speed-dependent output signal.

2. Can the PR9376/010-0113 operate without an external power source?
   Yes, it is a passive, self-generating sensor that produces an AC voltage signal based on target motion, requiring no external excitation voltage.

3. Is the sensor output linear with speed?
   Yes, the output frequency and amplitude are directly proportional to the target’s rotational speed, ensuring accurate linear response.

4. What materials are suitable as targets for this sensor?
   The sensor is designed to detect ferromagnetic materials such as carbon steel, stainless steel, or iron-based alloys.

5. Can it be used in high-vibration environments?
   Yes, it has high vibration resistance (up to 50 g) and maintains stability in severe mechanical conditions.

6. How does temperature affect performance?
   The sensor provides stable signal output across its full temperature range from -35°C to +125°C, with minimal drift.

7. Is the PR9376/010-0113 suitable for turbine overspeed detection?
   Absolutely. It is widely used in turbine and compressor systems for accurate speed measurement and overspeed protection.

8. What is the recommended air gap between the probe and the target?
   The optimal gap is between 0.5 mm and 2.0 mm to achieve accurate and stable signal output.

9. Can this sensor be connected directly to a monitoring system?
   Yes, it can interface directly with Epro MMS systems, Bently Nevada monitoring modules, or other industrial speed input devices.

10. What type of cable should be used for installation?
    Use shielded twisted-pair cables to minimize electrical noise and maintain signal integrity over long cable runs.

Related Models (Same Series or Similar Type)

Popular Models from the Same Brand

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