Product Overview

The Emerson PR6423/002-031-CN CON041 is a high-precision non-contact eddy current sensor belonging to the EPRO series. Designed primarily for turbomachinery monitoring, this displacement sensor provides critical data regarding shaft vibration, position, and eccentricity. By utilizing the eddy current principle, the probe measures the distance between the sensor tip and the conductive target (typically a rotating shaft) without physical contact, ensuring no wear on the equipment or the sensor itself.

This module is essential for the predictive maintenance of high-speed rotating assets such as steam turbines, gas turbines, compressors, and large industrial pumps. Its high-resolution output allows operators to identify mechanical imbalances, bearing wear, and misalignment before catastrophic failure occurs, significantly enhancing plant safety and uptime.

Technical Characteristics

• Measurement Principle: Non-contact eddy current (inductive)

• Probe Tip Diameter: 8 mm

• Standard Measuring Range: 2.0 mm (approx. 80 mils)

• Dimentions:12.1x5.2x16.6cm

• Linearity Error: Less than 1% of full scale

• Frequency Response: 0 Hz to 10 kHz

• Operating Temperature: Designed for extreme environments up to 180°C (at the probe tip)

• Ingress Protection: IP67 / IP68 (fluid-tight construction)

• Cable Configuration: Integrated cable with specialized connector (CON041)

• Compliance: API 670 standard compliant for machinery protection systems

• Output Signal: Proportional voltage (via separate driver/transmitter)

Application and Reliability

The PR6423/002-031-CN is engineered to function reliably in the presence of industrial contaminants such as oil, steam, and dust. Its stainless steel housing and hermetically sealed tip provide immunity to high pressure and corrosive lubricants. This robustness makes it a staple in power generation, petrochemical processing, and heavy manufacturing facilities.

Integration into a Distributed Control System (DCS) or an AMS (Asset Management System) is straightforward when paired with the appropriate EPRO signal converter. The CON041 connector ensures a secure, low-noise connection that maintains signal integrity over long distances. Whether used for radial vibration monitoring or axial thrust position measurement, this sensor provides the high-fidelity data required for modern machine health analytics.