EPRO CON021+PR6425/005-010 Eddy Current Sensor System

Product Description

EPRO PR6425/005-010 Sensor Probe and CON021 Converter Module form an advanced non-contact measurement system for monitoring critical rotating machinery. Designed for precision shaft vibration, axial displacement, eccentricity, and rotational speed detection, this system is optimized for larger shafts and high-demand industrial applications.

Key Features

• Sensor Type: Eddy current displacement and vibration probe, PR6425 series, 10 mm tip

• Measurement Capabilities: Shaft radial vibration, axial displacement, eccentricity, rotational speed

• Target Materials: Standard ferromagnetic steels (42CrMo4 / AISI 4140)

• Optimal Shaft Diameter: ≥35 mm for heavy-duty rotors and large machinery

• Linear Range: 2 mm (80 mils)

• Initial Air Gap: 1.0 mm (39 mils)

• Scale Factor (ISF): 8 V/mm ±5% (0–45 °C)

• Linearity (DSL): ±0.025 mm within 0–45 °C

• Operating Temperature: –40 °C to +150 °C (sensor body)

• Protection Class: IP66 (IEC 60529)

CON021 Converter Module Specifications

• Function: Signal conditioning for PR6425 sensors, ensuring stable, linear output

• Frequency Response: 0–20,000 Hz (–3 dB)

• Rise Time: <15 μs

• Supply Voltage: –23 V to –32 V DC

• Output Voltage: –4 V to –20 V depending on configuration

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

• Protection Class: IP20

Applications

• Power generation: Steam and gas turbine shaft vibration monitoring

• Petrochemical compressors and pumps: Axial displacement tracking

• Industrial gearboxes and fans: Vibration and eccentricity detection

• Heavy machinery: Large shaft monitoring where PR6425 outperforms PR6423/PR6424

FAQ / Application Notes

Q: How does PR6425 differ from PR6424 for shaft monitoring?
A: PR6425 offers a larger linear range and supports larger shaft diameters, ideal for heavy-duty rotors.

Q: What types of materials can the sensor measure?
A: The probe is optimized for ferromagnetic steels, especially 42CrMo4/AISI 4140, commonly used in industrial shafts.

Q: Can this system monitor rotational speed?
A: Yes, the PR6425 probe detects rotational speed alongside radial vibration and axial displacement.