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Overview
The EPRO PR6423/108-110 is a highly precise 8mm eddy current sensor, designed for critical turbomachinery applications. It measures radial and axial displacement, position, eccentricity, and speed of rotating shafts. This sensor is ideal for use in steam turbines, gas turbines, compressors, gearboxes, pumps, and fans. It ensures reliable and non-contact measurement, even in harsh industrial environments.
Key Features
- Non-Contact Measurement: The sensor uses eddy current technology for contactless measurement, reducing wear and extending the sensor’s lifespan.
- High Sensitivity: Offers a sensitivity of 8 V/mm (203.2 mV/mil) with an accuracy of ±5% at temperatures ranging from 32°F to 113°F (0°C to 45°C).
- Wide Operating Temperature Range: The sensor operates in extreme temperatures from -31°F to 356°F (-35°C to 180°C), making it suitable for demanding environments.
- Durable and Robust: Constructed with stainless steel and PTFE, the sensor withstands tough conditions such as vibration, moisture, and temperature fluctuations.
- Easy Setup: The sensor and signal converter come fully adjusted, requiring only minimal setup for optimal performance.
Technical Specifications
| Specification | Details |
|---|---|
| Model | EPRO PR6423/108-110 |
| Measurement Range | Linear: 2 mm (80 mils) |
| Initial Air Gap | 0.5 mm (20 mils) |
| Incremental Scale Factor (ISF) | ISO: 8 V/mm (203.2 mV/mil), ±5% @ 0°C to 45°C (32°F to 113°F) |
| Deviation from Best Fit Straight Line (DSL) | ± 0.025 mm (± 1 mil) @ 0°C to 45°C (32°F to 113°F) |
| Target Material | Ferromagnetic Steel (42CrMo4, AISI/SAE 4140) |
| Minimum Shaft Diameter | 25 mm (0.79″) |
| Protection Class | IP66, IEC 60529 |
| Operating Temperature Range | Sensor: -35°C to 180°C (-31°F to 356°F), Cable: -35°C to 150°C (-31°F to 302°F) |
| Material | Sensor Tip: PEEK Polyether Ether Ketone, Case: Stainless Steel, Cable: PTFE Polytetrafluoroethylene, Connector: Brass (nickel-plated) |
| Weight (Sensor + 1m Cable) | Approx. 100 grams (3.53 oz) |
Detailed Description
The EPRO PR6423/108-110 eddy current sensor is engineered for precise displacement measurements in high-speed rotating machinery. Its contactless design ensures zero mechanical wear, extending both the sensor’s life and its accuracy. This makes it particularly useful for turbomachinery applications, where it measures key parameters such as eccentricity, position, and shaft displacement.
With a sensitivity of 8 V/mm (203.2 mV/mil), the sensor delivers reliable performance within a temperature range of 0°C to 45°C (32°F to 113°F). It provides minimal deviation of just ± 0.025 mm (±1 mil) across its linear range of 2 mm (80 mils), ensuring high accuracy even in dynamic applications.
The sensor’s rugged construction, using stainless steel and PTFE, ensures long-lasting durability. It can endure extreme temperatures up to 180°C (356°F) in the sensor and 150°C (302°F) in the cable. This allows it to operate efficiently in challenging environments found in industries like power generation, chemical processing, and oil and gas.
Applications
- Turbomachinery Monitoring: Ideal for monitoring steam turbines, gas turbines, compressors, and fans.
- Industrial Automation: Suitable for use in critical monitoring and control systems for industrial machinery.
- Vibration and Displacement Measurement: Accurately measures dynamic shaft displacement and vibration in high-speed rotating machinery.
- Process Control: Used in applications requiring precision measurement of machine performance and operational status.
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