Emerson CON021 + PR6423/01H-030

Eddy Current Vibration & Displacement Monitoring System

1. System Overview

The CON021 + PR6423/01H-030 is a complete eddy current displacement and vibration monitoring system designed for critical rotating machinery.
The system consists of an eddy current sensor (PR6423/01H-030) and a signal converter (CON021) , which work together to provide high-precision measurement signals for control and monitoring systems.

2. Model Analysis

• PR6423 : 8 mm Eddy Current Sensor Series

• 01 : Armored cable for enhanced durability

• H : High temperature version, suitable for high temperature environment

• 030 : Total length of measuring chain 3.0 m

• CON021 : Signal converter, receives and processes sensor signals and outputs standard analog signals

3. Technical Specifications

PR6423 Eddy Current Sensor

• Probe diameter : 8 mm

• Measuring principle : Non-contact eddy current principle, measuring the distance between the probe and the conductive target (such as a rotating shaft)

• Typical applications :

• Axial and radial displacement measurement

• Shaft vibration monitoring

• Operating temperature :

• Probe (high temperature type): up to +260°C

• Cables and connectors: up to +150°C

• Target material : conductive material, ferromagnetic steel is recommended

• Minimum target size : Recommended shaft diameter ≥ 25 mm (0.98 in)

• Protection level : IP67

CON021 Signal Converter

• Function : Amplify the sensor signal and convert it into standard output (voltage or current)

• Compatibility : Designed specifically for PR6423 series sensors

• Installation method : Panel Mount

• Supply voltage : -23 V to -32 V DC

• Operating temperature : -30°C ~ +100°C

• Protection level : IP20

4. Application Areas

The system is particularly suitable for high temperature and harsh industrial environments . Common applications include:

• Gas turbines and steam turbines

• Large compressors

• Pumps and fans

Advantages :

• Non-contact measurement, suitable for direct monitoring of rotating shafts

• High precision and high reliability

• Complies with international standards (DIN 45670, ISO 10817-1, API 670)

• It is a key tool for unit status monitoring and fault diagnosis, which can effectively prevent equipment failures and ensure safe and stable operation