EPRO PR6423/001-031+CON041 Eddy Current Proximity Sensor System

Overview

The EPRO PR6423/001‑031 + CON041 is a fully integrated eddy current proximity measurement solution designed for precise, non-contact monitoring of shaft vibration, displacement, eccentricity, and rotational speed in high-performance turbomachinery. Combining the robust PR6423 sensor with the CON041 converter, this system delivers standardized outputs suitable for advanced condition monitoring and machine protection platforms.

Applications

• Monitoring radial and axial shaft displacement and vibration

• Steam and gas turbines, compressors, pumps, and fans

• Machine protection and condition monitoring in power generation, petrochemical, and heavy industry

• Integration with MMS 6000, AMS 3000, DCS, or PLC systems

System Configuration

• Sensor: PR6423 with 8 mm diameter sensing head, armored cable, stainless steel construction

• Converter: CON041 provides configurable voltage or current outputs, signal conditioning, and integration compatibility

Technical Specifications – PR6423/001‑031 Sensor

• Sensor Head Diameter: 8 mm

• Measuring Range: 0–2 mm (extendable to ~3 mm)

• Sensitivity: 8 V/mm (~203 mV/mil)

• Frequency Response: 0–10 kHz (–3 dB)

• Nominal Air Gap: ~1.0 mm

• Static Accuracy: ≤ ±1.5%

• Dynamic Accuracy: High precision dynamic response

• Target Material: Ferromagnetic steel (42CrMo4 standard)

• Operating Temperature: –35 °C to +180 °C

• Short-Term Thermal Excursion: Up to 200 °C (<4 hours)

• Maximum Cable Temperature: 200 °C

• Pressure Resistance: 10,000 hPa (145 psi)

• Shock Resistance: 5 g @ 60 Hz

• Cable Length Options: Typically 5–10 m

• Output Signal: Raw sensor output

• Certification: ATEX approved

Technical Specifications – CON041 Converter

• Output Type: Standardized voltage ±10 V or current 4–20 mA

• Configurable Output: Yes, scaling and range adjustable

• Frequency Response: Matches sensor bandwidth

• Operating Temperature: –35 °C to +85 °C

• Integration Compatibility: DCS, PLC, MMS 6000, AMS 3000

• Certification: CE, API 670 compliant

Key Features

• Complete measurement chain for reliable monitoring

• Extended range with 8 mm sensor head

• Non-contact operation reduces mechanical wear

• High static and dynamic accuracy

• Flexible integration with industry-standard systems

• Industrial-grade reliability for continuous operation in harsh environments

FAQ / Additional Notes

Q: Can this system be used on axial shaft monitoring?
A: Yes, the PR6423/001‑031 + CON041 system supports both radial and axial displacement measurements.

Q: Is it compatible with standard PLC/DCS systems?
A: The CON041 converter provides voltage (±10 V) and current (4–20 mA) outputs compatible with DCS, PLC, or dedicated monitoring platforms.

Q: How does it differ from PR6423/001‑030?
A: The 001‑031 variant includes the latest CON041 converter with extended output configuration and improved environmental tolerance.