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6423/002-030

Core Function:
Industrial eddy current sensor for wide-range displacement monitoring in heavy rotating equipment

Key Specifications:
• Sensitivity: 3.0 mV/µm (±5%)
• Extended Range: 0-3.0mm (3000µm)
• Frequency Response: DC to 10kHz
• Output: -2 to -20V DC linear signal

Mechanical Configuration:
✓ 8mm diameter probe
✓ M10×1 threaded mounting
✓ Operating temperature: -30°C to +120°C
✓ Vibration resistant to 20g

Measurement Performance:

Target material: AISI 4140 steel

Linear operating range: 60% of full scale

Typical accuracy: ±1% FS

System Integration:
• Compatible with EPRO MMS6000 monitoring systems
• Standard 5m/9m cable options
• CON021 quick-disconnect available

Typical Applications:

Large turbine shaft monitoring

Compressor thrust bearing measurement

Heavy industrial machinery protection

Special Features:

Optimized for wide displacement range applications

Special variant (/002) with enhanced environmental tolerance

Compliance: Meets API 670 machinery protection standards

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General Description
The EPRO PR6423/002-030 is an eddy current displacement sensor designed for vibration and position monitoring in industrial rotating machinery (turbines, compressors, pumps).

Key Parameters
Electrical Specifications
Sensitivity: 3.0 mV/µm (factory-calibrated, -030 suffix)

Measurement Range: 0 to 3.0 mm (3000 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 (~1.0–2.0mm for 3.0mm 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