EPRO CON041+PR6423/00R-111 Eddy Current Sensor System

Overview

The Emerson EPRO CON041 with PR6423/00R‑111 probe provides precise shaft vibration and displacement monitoring in critical rotating machinery. This modular system ensures accurate measurement of radial and axial shaft positions, eccentricity, and dynamic Keyphasor® signals. Designed for turbines, compressors, pumps, and heavy industrial equipment, it offers fast response, durability, and reliable operation in harsh environments. Moreover, its flexible installation and maintenance design allows seamless integration into existing monitoring frameworks.

Key Features & Functional Highlights

• High-Precision Measurement: Detects subtle shaft vibration and displacement variations accurately.
• Fast Dynamic Response: Rise time below 15 μs ensures reliable monitoring under rapid mechanical changes.
• Durable Industrial Design: Wide operating temperature range from –30 °C to +100 °C with shock resistance.
• Modular System: Eddy current probe and signal converter allow flexible installation and maintenance.
• Compatibility: Works with PR642x series probes for extended measurement ranges and applications.
• Predictive Maintenance Support: Enables early detection of bearing wear, misalignment, or eccentricity.

Technical Specifications

CON041 Signal Converter

• Frequency Range: 0–20,000 Hz (–3 dB)
• Rise Time: <15 μs
• Supply Voltage: –23 V to –32 V (output –4 V to –20 V) or –21 V to –32 V (output –2 V to –18 V)
• Operating Temperature: –30 °C to +100 °C
• Shock/Vibration Resistance: 5 g @ 60 Hz
• Protection Class: IP20
• Housing Material: PA 6.6, ~60 g
• Mounting: DIN rail, screw terminal connections

PR6423/00R‑111 Probe

• Probe Diameter: 8 mm
• Material: Stainless steel housing / PPS probe tip
• Weight: 0.16 kg
• Measurement Principle: Eddy current displacement sensing
• Nominal Sensitivity: ~8.0 V/mm (200 mV/mil)
• Linear Range: ~0.2 mm to 2.2 mm
• Frequency Response: DC (0 Hz) to 10 kHz (or higher)
• Converter Output: Current (4–20 mA) or Voltage (–2 V to –18 V)
• Power Supply: 24 VDC (±10%)
• Hazardous Area Certification: Often intrinsically safe (verify part number)
• Operating Temperature: –35 °C to +100 °C

Typical Applications

• Monitoring radial and axial shaft vibration in turbines, compressors, and pumps.
• Detecting misalignment, bearing wear, and rotor eccentricity in heavy industrial machinery.
• Providing Keyphasor® signals for rotor dynamics analysis and predictive maintenance programs.
• Integration into power generation, oil & gas, chemical plants, and other industrial environments requiring precise monitoring.

FAQ

Q: What industries use this sensor system? A: It is widely used in power generation, chemical plants, oil & gas, and heavy industrial applications.

Q: Can the probe measure both radial and axial displacement? A: Yes, the PR6423/00R‑111 probe provides accurate radial and axial shaft displacement measurements.

Q: Is this system suitable for harsh environments? A: Absolutely. It operates between –30 °C and +100 °C with shock and vibration resistance.

Q: Can I extend the system with other probes? A: Yes, the CON041 converter is compatible with other PR642x series probes for flexible measurement ranges.

Q: What output signals are available? A: The system supports 4–20 mA current output or voltage output (–2 V to –18 V).