EPRO PR6423/002-030+CON021 Eddy Current Sensor with Converter

PR6423/002-030 Overview

The Epro PR6423/002-030 is an 8mm Eddy Current Sensor specifically designed for critical turbomachinery applications. This sensor provides precise measurements of radial and axial shaft displacement, position, eccentricity, and speed, ensuring accurate monitoring in demanding industrial environments.

PR6423/002-030 Technical Specifications

• Linear Measurement Range: 2 mm (80 mils)
• Initial Air Gap: 0.5 mm (20 mils)
• Incremental Scale Factor (ISF): 8 V/mm (203.2 mV/mil) ± 5% @ temperature range 0 to 45°C (32 to 113°F)
• Deviation from Best Fit Straight Line (DSL): ± 0.025 mm (± 1 mil) @ temperature range 0 to 45°C (32 to 113°F)
• Measuring Target:
  • Minimum Shaft Diameter: 25 mm (0.79")
  • Target Material: Ferromagnetic Steel 42CrMo4 (AISI/SAE 4140)
  • Other Materials: Available on request

Environmental Specifications

• Protection Class: IP66, IEC 60529
• Operating Temperature Range:
  • Sensor (incl. 1m Cable): -35 to +200°C (-31 to 392°F)
  • Cable & Connector: -35 to +150°C (-31 to 302°F)

Material Specifications

• Sensor Tip: PEEK Polyether Ether Ketone
• Case: Stainless Steel
• Cable: PTFE Polytetrafluoroethylene
• Connector: Brass, nickel-plated
• Weight (Sensor with 1m Cable): Approx. 100 grams (3.53 oz)

CON021 Overview

The Epro CON021 is an Eddy Current Signal Converter designed for use with various Epro eddy current sensors. It ensures accurate signal conversion for effective monitoring and control applications across different settings.

CON021 Technical Specifications

• Dynamic Performance:
  • Frequency Range (-3 dB): 0 to 20,000 Hz
  • Rise Time: < 15 µs
  • Compatibility: Designed for PR6422, PR6423, PR6424, PR6425, PR6426, PR 6453
  • Extended Range Use: CON021/91x-xxx
  • Specific Requirement: PR6425 always requires an extended range converter

Environmental Specifications

• Operating Temperature Range: -30 to 100°C (-22 to 212°F)
• Shock and Vibration: 5g @ 60 Hz @ 25°C (77°F)
• Protection Class: IP20

Power & Electrical Specifications

• Supply Voltage Range:
  • -23V to -32V (Output Range -4V to -20V)
  • Alternative: -21V to -32V (Output Range -2V to -18V)

Physical Specifications

• Housing Material: LMgSi 0.5 F22
• Weight: ~120 grams (4.24 oz)
• Mounting: 4 Screws M5x20 (Included in Delivery)
• Connections:
  • Transducer: Self-Locking Lemo-Plug
  • Supply/Output: Screw Terminal Type (max. 1.5mm², wire)