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EMERSON
EPRO PR6423/002-001-CN Eddy Current Sensor--KIMI
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Product Description


Emerson EPRO PR6423/002-001-CN Eddy Current Sensor
8mm Probe for Non - Contact Shaft Displacement & Vibration Measurement in Turbomachinery
1. Product Overview

The Emerson EPRO PR6423/002-001-CN is an 8mm eddy current sensor belonging to the PR6423 series, dedicated to non - contact measurement of shaft displacement, vibration, eccentricity, and speed for critical turbomachinery like steam turbines, gas turbines, compressors, and pumps. It is typically paired with the CON041 signal converter (preamplifier) to form a complete monitoring system, which can provide reliable measurement data in harsh industrial environments with strong electromagnetic interference, high temperature, and high vibration. With high measurement accuracy, long - term stability, and compliance with API 670 and DIN 45670 standards, it effectively ensures the safe and stable operation of rotating machinery and is widely used in power generation, oil and gas, chemical and other industries.


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2. Key Technical Specifications
• Product Type: 8mm Eddy Current Probe (PR6423 Series)
• Brand: Emerson EPRO (Part No.: PR6423/002-001-CN)
• Compatible Preamplifier: CON041 Eddy Current Signal Converter (Typical Matching)
• Linear Measurement Range: 2 mm (80 mils)
• Probe Diameter: 8 mm
• Initial Air Gap: 0.5 mm (20 mils)
• Output Signal: Differential Voltage (Probe & Target Interaction)
• Frequency Response: DC to 10 kHz (-3 dB)
• Temperature Range: -40°C to +180°C (Probe), -25°C to +70°C (Preamplifier)
• Cable Length: 6 m (Standard, Unarmored, with 1 m Intermediate Connector)
• Thread Size: M10 x 1 (Mounting Thread)
• Accuracy: ±0.2% of Full Scale
• Protection Rating: IP65 (Probe Head), IP20 (Preamplifier)

• Certifications: CE, API 670, DIN 45670, RoHS Compliant


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3. Core Features
• Non - contact Measurement: No physical contact with the shaft, avoiding wear and tear on the measured object and the sensor itself.
• High Precision: ±0.2% full - scale accuracy ensures reliable monitoring of shaft status.
• Harsh Environment Adaptability: Resistant to high temperature, high vibration, and strong electromagnetic interference, suitable for industrial field operations.
• Standard Compliance: Conforms to API 670 and DIN 45670, meeting the monitoring requirements of critical rotating machinery.
• Easy Matching: Perfectly compatible with CON041 preamplifier for simple system integration.

• Stable Signal Transmission: 6 m standard cable with intermediate connector for stable signal and convenient installation.


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4. Typical Applications
• Steam/Gas/Hydro Turbines: Shaft Radial & Axial Displacement Monitoring
• Compressors & Pumps: Rotor Eccentricity, Vibration & Speed Measurement
• Gearboxes: Shaft Position & Alignment Control
• Power Generation: Turbine Generator Set Shaft Vibration Monitoring

• Oil & Gas: Centrifugal Compressor Shaft Displacement & Condition Monitoring


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Technical Document | Emerson EPRO PR6423/002-001-CN | Eddy Current Sensor | Turbomachinery Monitoring
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