Epro PR6424/000-140+CON021 Eddy Current Displacement Sensor

Overview

The Epro PR6424/000-140+CON021 is a non-contact eddy current displacement sensor system designed for accurate and reliable monitoring in critical turbomachinery applications. It includes the PR6424 Eddy Current Sensor and the CON021 Signal Converter, both engineered for high precision in measuring shaft displacement, position, eccentricity, and speed. This sensor system is ideal for applications in turbomachinery, automotive, aerospace, and industrial automation.

Technical Specifications

PR6424 Eddy Current Sensor

• Measurement Principle: Non-contact eddy current measurement.
• Sensitivity/Linearity: 4 V/mm (±1.5%).
• Measuring Range:
  • Static: ±2.0 mm (±0.08 in).
  • Dynamic: 0 to 1000 µm (0 to 0.039 in).
• Target Material: Ferromagnetic steel (42CrMo4, other materials on request).
• Operating Temperature Range: -35°C to 180°C (-31°F to 356°F).
• Shaft Diameter: ≥80 mm.
• Maximum Surface Speed: 2,500 m/s (98,425 ips).
• Shock and Vibration: 5g at 60 Hz, 25°C (77°F).
• Material: Stainless steel sleeve, PTFE cable.
• Weight: ~200 grams (7.05 oz) including 1m cable.

CON021 Eddy Current Signal Converter

• Measurement Principle: Converts eddy current signals.
• Frequency Range: 0 to 20,000 Hz.
• Rise Time: <15 µs.
• Operating Temperature Range: -30°C to 100°C (-22°F to 212°F).
• Supply Voltage Range: -23V to -32V (output range -4V to -20V).
• Protection Class: IP20.
• Housing Material: ALMgSi 0.5 F22.
• Mounting: 4 screws (M5x20) included.
• Connections: Screw terminal type (max. 1.5mm²).