EPRO CON021+PR6424/001-010 Eddy Current Shaft Sensor System

Overview

The EPRO PR6424/001-010 paired with the CON021 module is a high-precision, non-contact eddy current system designed for advanced monitoring of critical rotating machinery. Optimized for large-diameter shafts, it accurately measures radial vibration, axial displacement, eccentricity, and rotational speed of conductive ferromagnetic materials. The system ensures compliance with API 670 standards and supports predictive maintenance and machine protection.

Key Components

PR6424/001-010 Sensor Probe

• Type: 10 mm tip eddy current displacement and vibration sensor (PR6424 series)

• Linear Measurement Range: 2 mm (80 mils)

• Initial Air Gap: 1.0 mm (39 mils)

• Sensitivity (ISF): 8 V/mm (±5%)

• Linearity: ±0.025 mm within 0–45 °C

• Minimum Shaft Diameter: 35 mm, optimized for heavy-duty rotors

• Target Material: Ferromagnetic steel (42CrMo4 / AISI 4140 standard)

• Operating Temperature: –40 °C to +150 °C

• Protection Class: IP66 (IEC 60529)

CON021 Converter Module

• Function: Signal conditioning and linear output conversion for PR6424 probes

• Frequency Response: 0–20 kHz (–3 dB)

• Rise Time: <15 μs

• Supply Voltage: –23 V to –32 V DC

• Output Range: –4 V to –20 V, configurable

• Operating Temperature: –30 °C to +100 °C

• Protection Class: IP20

• Housing: LMgSi alloy, panel-mount with M5 screws

Applications

• Power Generation: Steam and gas turbine shaft vibration monitoring

• Petrochemical: Compressors and pump axial displacement detection

• Industrial Machinery: Gearbox vibration and fan rotor eccentricity measurement

• Heavy Rotating Equipment: Large-diameter shafts requiring extended measurement range

Technical Comparison

• Compared to PR6423 series, PR6424 probes support larger shaft diameters, extended linear range, and higher mechanical robustness for industrial heavy-duty applications.

FAQ

Q: What materials can the PR6424/001-010 probe measure?
A: It is designed for conductive ferromagnetic materials such as 42CrMo4 or AISI 4140 steel.

Q: Can the system measure both radial vibration and axial displacement?
A: Yes, the PR6424/001-010 can capture radial vibration, axial displacement, eccentricity, and rotational speed simultaneously.

Q: What environments can this system operate in?
A: The sensor operates from –40 °C to +150 °C with IP66 protection; the converter functions from –30 °C to +100 °C.

Technical Specifications Table