EPRO CON021+PR6424/000-130 Shaft Vibration & Displacement Sensor System

Overview

The EPRO PR6424/000-130 sensor, paired with the CON021 converter module, is a non-contact eddy current measurement solution designed for critical rotating machinery such as turbines, compressors, pumps, and gearboxes. It provides high-precision monitoring of shaft radial vibration, axial displacement, eccentricity, and rotational speed, enabling predictive maintenance and complying with API 670 standards.

The PR6424/000-130 probe belongs to the PR6424 series, optimized for larger shaft diameters and installations requiring extended measurement range compared to the PR6423 series.

Key Features

• Non-contact measurement of radial vibration and axial displacement

• Eccentricity and rotational speed detection

• High-temperature and harsh environment operation

• Compatible with industrial monitoring systems via CON021 converter

• High linearity and stable output for accurate diagnostics

Technical Specifications

PR6424/000-130 Sensor Probe

• Measurement Types: Radial vibration, axial displacement, shaft eccentricity, rotational speed

• Probe Diameter: 10 mm

• Linear Measurement Range: 2 mm

• Initial Air Gap: 1.3 mm

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

• Linearity: ±0.025 mm (0–45°C)

• Minimum Shaft Diameter: 35 mm

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

• Protection Rating: IP66 (IEC 60529)

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

CON021 Converter Module

• Function: Signal conditioning and conversion

• Frequency Range: 0–20 kHz (–3 dB)

• Rise Time: <15 μs

• Supply Voltage: –23 V to –32 V DC

• Output Range: –4 V to –20 V

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

• Protection Rating: IP20

• Housing Material: LMgSi alloy

Applications

• Power Generation: Steam and gas turbine shaft vibration monitoring

• Petrochemical & Process Industry: Pump and compressor axial displacement monitoring

• Industrial Machinery: Gearbox vibration detection, fan rotor eccentricity measurement

• Heavy Rotating Equipment: Larger shaft diameters requiring PR6424 series over PR6423

Series Comparison

Compared to the PR6423 series, PR6424/000-130 offers:

• Extended measurement range and air gap

• Higher temperature resistance

• Supports larger minimum shaft diameters

• Ideal for high-load, large-diameter rotating equipment

FAQ

Q: Which shaft materials can PR6424/000-130 measure?
A: Primarily ferromagnetic steels like 42CrMo4 / AISI 4140. Other conductive ferromagnetic materials are compatible but may require calibration.

Q: What advantages does PR6424 have over PR6423?
A: PR6424 offers a larger measurement range, higher temperature tolerance, and support for larger shaft diameters, suitable for heavier and larger equipment.

Q: Can the CON021 module output connect directly to monitoring systems?
A: Yes, it provides linear, stable outputs compatible with most industrial vibration and displacement monitoring systems.