EPRO PR6423/000-001-CN+CON031 Eddy Current Proximity Measurement System

Product Description

The EPRO PR6423/000‑001‑CN + CON031 is a precision eddy current proximity measurement system, designed for reliable non-contact monitoring of shaft displacement, vibration, eccentricity, and rotational speed in turbomachinery. This sensor-converter pair delivers API 670-compliant performance suitable for steam and gas turbines, compressors, pumps, and fans.

Technical Specifications – PR6423/000‑001‑CN Sensor

• Sensor Head Diameter: 8 mm

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

• Sensitivity: 8 V/mm (203.2 mV/mil)

• Frequency Range: 0–10 kHz (–3 dB)

• Nominal Air Gap: ~1.0 mm

• Static Accuracy: ≤ ±1.5%

• Dynamic Accuracy: High precision

• Target Material: Ferromagnetic steel (42CrMo4 standard)

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

• Short-Term 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: 4–10 m

• Output Signal: Raw eddy current output

• Certification: ATEX Approved

Technical Specifications – CON031 Converter

• Input: PR6423 sensor signal

• Output Signal: Configurable ±10 V or 4–20 mA

• Scaling: Configurable output scaling to match sensor range

• Frequency Response: Matches sensor bandwidth (0–10 kHz)

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

• Certification: CE, API 670 Compliant

Key Features

• Complete Measurement System: Sensor and converter ensure standardized output for DCS, PLC, or monitoring systems.

• Extended Measurement Range: 8 mm sensor head allows precise monitoring up to 2–3 mm.

• Non-Contact Sensing: Eliminates mechanical wear, providing long-term reliability.

• High Accuracy: Excellent static and dynamic performance for critical shaft monitoring.

• Rugged Industrial Design: Stainless steel sensor and armored cable for high-temperature, high-vibration environments.

• Flexible Integration: Converter outputs industry-standard signals compatible with MMS 6000, AMS 3000, or similar systems.

Applications

• Turbomachinery shaft displacement and vibration monitoring

• API 670-compliant machine protection systems

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

• Power generation, petrochemical, and heavy industry installations

FAQ

Q: Can the PR6423 sensor operate independently?
A: Yes, but it provides raw eddy current signals. The CON031 converter is required for standardized output suitable for integration.

Q: What is the maximum operating temperature?
A: The sensor supports continuous operation up to 180 °C, with short-term excursions up to 200 °C.

Q: What outputs does the CON031 converter provide?
A: The converter offers configurable ±10 V or 4–20 mA outputs compatible with most monitoring and control systems.

Q: Is this system suitable for API 670 applications?
A: Yes, this sensor-converter combination is widely used in API 670-compliant machine protection setups.