Product Overview

The Emerson PR6424/014-140 (CON021) is a high-precision, 8mm inductive displacement probe specifically engineered for the non-contact measurement of critical turbomachinery parameters. As a vital component of the EPRO product family, this eddy current sensor provides high-resolution monitoring of shaft behavior in gas and steam turbines, high-speed compressors, and complex gearboxes. By detecting sub-millimeter changes in the gap between the sensor tip and the target material, it enables the real-time tracking of radial vibration, axial thrust, and rotational speed.

This sensing technology is fundamental to predictive maintenance strategies, allowing operators to detect mechanical anomalies such as bearing wear, shaft imbalance, or eccentricity before they escalate into catastrophic failure. The PR6424/014-140 is designed for high-availability environments, ensuring that critical assets remain protected through deterministic machine health data.

Technical Characteristics and Design

The PR6424/014-140 is optimized for signal integrity and physical resilience in volatile industrial atmospheres.

• Non-Contact Inductive Sensing: Eliminates mechanical friction and wear, providing a virtually unlimited service life while maintaining measurement repeatability.

• Broad Frequency Response: Capable of capturing high-frequency vibration signatures and rapid shaft oscillations with exceptional accuracy and minimal signal noise.

• Integrated Signal Conditioning Support: Designed to work in tandem with EPRO signal converters to provide standardized 4-20mA or voltage-based outputs for DCS and machinery protection systems.

• Environmental Sealing: The sensor body is hermetically sealed to resist high-pressure environments, oil immersion, and corrosive chemical vapors typical of power plant turbine decks.

• CON021 Connector Interface: Features a specialized, high-integrity connector for secure transmission of low-level signals over long cable distances.

• Inductive 8mm Tip: Provides a standardized sensing range suitable for a wide variety of shaft diameters and industrial target materials.

Technical Specifications

• Manufacturer: Emerson (EPRO Series)

• Model Number: PR6424/014-140

• Configuration Code: CON021

• Tip Diameter: 8 mm

• Measurement Type: Radial Vibration, Axial Position, Eccentricity, and RPM

• Housing Material: Stainless Steel with high-performance plastic sensor tip

• Protection Rating: IP67 (designed for oil-mist and immersion environments)

• Dimensions: 12.1 x 5.2 x 16.6 cm

• Unit Weight: 0.34 kg

• Product Origin: USA

Industrial Applications

The Emerson PR6424/014-140 is a standard-setting solution for heavy-duty rotating equipment monitoring:

• Power Generation: Continuous monitoring of turbine shaft vibration and axial displacement.

• Oil & Gas Refineries: Protecting centrifugal compressors and multi-stage process pumps.

• Mining & Heavy Industry: Tracking bearing health in large-scale crushers and conveyor drive systems.

• Water & Utilities: Monitoring shaft stability in high-volume raw water pumps.