Emerson Eddy Current Sensor PR6423/002-030

Emerson PR6423/002-030 8mm Eddy Current Sensor Technical Specifications

Product Overview

• The Emerson PR6423/002-030 provides precise non-contact displacement measurement for critical turbomachinery. This 8mm eddy current sensor monitors radial and axial shaft dynamics in demanding industrial environments. It delivers reliable performance for turbines, compressors, and rotating equipment.

Performance Specifications

• Linear Measurement Range: 2mm (80 mils) full scale
• Initial Air Gap: 0.5mm (20 mils) recommended setup
• Scale Factor: 8 V/mm (203.2 mV/mil) ±5% accuracy
• Temperature Stability: 0 to 45°C (+32 to +113°F) range
• Linearity Deviation: ±0.025mm (±1 mil) maximum error

Measuring Target Requirements

• Minimum Shaft Diameter: 25mm (0.79 inches) requirement
• Standard Target Material: 42CrMo4 (AISI/SAE 4140) steel
• Material Compatibility: Ferromagnetic steel targets required
• Custom Options: Other materials available upon request

Environmental Specifications

• Protection Class: IP66 rated per IEC 60529 standard
• Sensor Temperature Range: -35 to +180°C with 1m cable
• Cable & Connector Range: -35 to +150°C operating limit
• Construction Materials: PEEK tip, stainless steel case
• Cable Specifications: PTFE insulation with brass connector

Physical Specifications

• Total Weight: Approximately 100 grams with 1m cable
• Sensor Tip: 8mm diameter PEEK material construction
• Case Threads: M10x1 standard mounting thread
• Cable Type: Standard non-armored configuration

Safety Certifications

• CE Compliance: 2014/30/EU, 2014/34/EU, 2011/65/EU
• ATEX Certified: EN 60079-0, EN 60079-11 standards
• IEC-Ex Certified: IEC 60079-0, 60079-11, 60079-26
• CSA Approved: Multiple CAN/CSA standards compliance
• UL Listed: ANSI/UL 913, 1604, and 60079-15

Hazardous Area Approvals

• Intrinsic Safety: (ia) protection for explosive atmospheres
• Temperature Classes: T6 (≤64°C), T4 (≤114°C), T3 (≤160°C)
• Non-Sparking: (nA) protection classification available
• Area Classification: Dependent on converter specifications

Ordering Information

• Base Model: PR6423/002-030 core sensor unit
• Case Thread: 2=45mm length option available
• Adapter Plug: Standard with connector included
• Cable Length: 3=8.0 meter cable option
• Cable End: 0=Lemo connector configuration

Frequently Asked Questions

• What is the measurement range of this sensor?
  The sensor provides 2mm linear measurement range with 0.5mm initial air gap.
• What temperature range can it withstand?
  It operates from -35 to +180°C for the sensor and -35 to +150°C for cable/connector.
• What safety certifications does it have?
  It carries ATEX, IEC-Ex, CSA, and UL certifications for hazardous areas.
• What is the minimum shaft diameter required?
  The minimum recommended shaft diameter is 25mm for accurate measurements.
• What materials is the sensor constructed from?
  It features PEEK tip, stainless steel case, and PTFE cable materials.

Application Benefits

• The Emerson PR6423/002-030 ensures precise dynamic displacement monitoring in extreme conditions. Its eddy current technology provides non-contact measurement without mechanical wear. The comprehensive safety certifications make it suitable for hazardous industrial environments worldwide.