Product Overview

The Emerson PR6423/003-110 (CON021) is a precision-engineered Eddy Current Sensor from the EPRO machinery health series. This inductive transducer is designed for the non-contact measurement of static and dynamic shaft displacement. By generating a high-frequency electromagnetic field at the probe tip, the sensor detects minute variations in the gap between the probe and a conductive target, such as a turbine shaft or compressor rotor.

Specifically optimized for turbomachinery protection, the PR6423/003-110 serves as a critical diagnostic tool for detecting shaft vibration, axial position changes, and rotational speed. It provides real-time data to Distributed Control Systems (DCS) and vibration monitors, enabling predictive maintenance strategies that prevent catastrophic mechanical failures and optimize the service life of high-value industrial assets.

Technical Characteristics and Resilience

The CON021 configuration is built to maintain measurement linearity and structural integrity under high-stress operational conditions.

• Non-Contact Measuring Architecture: Operates without physical contact, eliminating friction and mechanical wear while ensuring zero load on the measured object for virtually unlimited service life.

• High-Fidelity Signal Acquisition: Features advanced onboard compensation to minimize electromagnetic interference (EMI) and signal noise, delivering a clean analog output for real-time analysis.

• Hermetic Environmental Sealing: The probe is encased in a ruggedized, corrosion-resistant stainless steel housing capable of withstanding high pressures, oil submersion, and chemical vapors.

• Wide Frequency Response: Capable of capturing both low-frequency structural shifts and high-frequency dynamic vibrations, providing a comprehensive view of machinery health.

• Thermal Stability: Engineered with temperature-compensated components to prevent signal drift in hot-running turbine environments, ensuring consistent accuracy across a wide temperature gradient.

• Standardized System Integration: Features a specialized CON021 connector interface designed for seamless pairing with EPRO signal converters (drivers) and standard industrial monitoring racks.

Technical Specifications

• Manufacturer: Emerson (EPRO Series)

• Model Identification: PR6423/003-110

• Configuration Code: CON021

• Measurement Principle: Eddy Current (Inductive)

• Function: Static and Dynamic Displacement, Vibration, Speed

• System Environment: DCS / PLC / Machinery Health Monitor

• Housing Material: Stainless Steel with Ceramic Tip

• Dimensions: 15 x 14 x 3.8 cm

• Unit Weight: 0.22 kg

• Product Origin: USA

Industrial Applications

The Emerson PR6423/003-110 is a fundamental component for safeguarding rotating equipment in several key sectors:

• Power Generation: Monitoring radial vibration and axial thrust in gas, steam, and hydro turbines.

• Oil and Gas: Tracking shaft stability and bearing health in centrifugal compressors and high-pressure pumps.

• Chemical Processing: Supervising the mechanical integrity of high-speed mixers and industrial expanders.

• Heavy Utilities: Managing vibration diagnostics for large-scale industrial fan systems and drive motors.