General Description
The EPRO PR6423/005-031 is an eddy current displacement sensor designed for high-precision vibration and position monitoring in industrial rotating machinery (turbines, compressors, generators).

Key Parameters
Electrical Specifications
Sensitivity: 3.1 mV/µm (factory-calibrated, -031 suffix)

Measurement Range: 0 to 3.1 mm (3100 µm)

Output Signal: -2 to -20V DC (linear to gap distance)

Frequency Response: 0 to 10 kHz

Power Supply: -24V DC ±10%

Mechanical & Environmental
Probe Diameter: 8 mm

Thread Size: M10×1

Operating Temperature:

Sensor Head: -30°C to +120°C

Cable/Connector: -40°C to +105°C

Vibration Resistance: Up to 20g (50Hz)

Calibration & Target
Target Material: Mild steel (AISI 4140 equivalent)

Linear Range: Middle 60% of full scale (~1.0–2.1mm for 3.1mm range)

Recommended Gap Voltage: -10V DC (mid-range setup)

Compatibility & Options
Cable Length: 5m or 9m (integrated or with CON021 connector)

Works With: EPRO MMS6000 monitoring systems

Compliance: API 670 (machinery protection standard)

Typical Applications
Shaft vibration monitoring (large turbines, heavy compressors)

Thrust collar position measurement

Condition-based maintenance systems