Product Overview

The Emerson PR6423/002-000 (CON021) is a professional-grade non-contact displacement sensor from the EPRO series, designed specifically for high-precision vibration monitoring and position measurement of rotating shafts. Utilizing the eddy current principle, this sensor measures the gap between the probe tip and a conductive target material without physical contact. It is a fundamental component for machinery protection systems, providing critical data on shaft vibration, axial displacement, and eccentric motion.

Engineered for the demanding environments of heavy industry, the PR6423/002-000 is typically deployed in conjunction with a signal converter (driver) to provide linearized outputs to a Distributed Control System (DCS) or specialized machinery health monitor. Its design focuses on long-term stability and high sensitivity, allowing plant operators to detect early-stage mechanical anomalies in turbines, compressors, and high-speed pumps before they lead to catastrophic failure.

Technical Characteristics and Performance

The CON021 model is distinguished by its structural resilience and high-fidelity signal acquisition capabilities.

• Non-Contact Measurement Architecture: Eliminates mechanical wear and tear, ensuring consistent measurement accuracy over the entire service life of the probe.

• Broad Frequency Response: Optimized to capture high-frequency shaft oscillations and low-speed rotational displacements with high resolution.

• Environmental Hardening: The probe head and cable are designed to withstand extreme industrial conditions, including high pressure, oil submersion, and chemical exposure.

• EMI/RFI Resistance: Sophisticated shielding prevents electrical noise from distorting the displacement signal, ensuring data integrity in proximity to large motors and generators.

• Standardized Sensitivity: Built to match EPRO system standards, allowing for seamless integration with CON021 series drivers and conditioners.

• Flexible Mounting Design: The threaded body allows for precise air-gap adjustment during installation, critical for maintaining the sensor within its linear measuring range.

Technical Specifications

• Manufacturer: Emerson (EPRO Division)

• Model Designation: PR6423/002-000

• Configuration Code: CON021

• Measurement Principle: Eddy Current (Non-contact)

• Application: Displacement, Vibration, and Shaft Speed

• System Platform: EPRO Machinery Health / DCS

• Dimensions: 17 x 15 x 2 cm

• Unit Weight: 0.18 kg

• Housing Material: Ruggedized Stainless Steel / Ceramic Tip

• Country of Origin: USA

Industrial Applications

The Emerson PR6423/002-000 is an essential asset for predictive maintenance in several key sectors:

• Power Generation: Monitoring steam and gas turbine shaft vibration and axial thrust.

• Oil & Gas Refining: Tracking centrifugal compressor stability and bearing clearances.

• Chemical Processing: Supervising high-speed agitators and critical reactor pumps.

• Heavy Manufacturing: Measuring eccentricity and thermal expansion in large rotating kilns or mills.