EMERSON PR6423/00E-030 CON021 Eddy Current Sensor
Product Overview
The Emerson PR6423/00E-030 CON021 is a high-precision eddy current displacement sensor system designed for continuous condition monitoring of rotating machinery. It combines the PR6423 non-contact probe with the CON021 signal converter, delivering stable and accurate measurements of shaft displacement, vibration, and position in demanding industrial environments.
Based on proven eddy current technology, the sensor provides reliable performance without physical contact, eliminating mechanical wear and ensuring long service life. The CON021 signal converter processes the probe signal and outputs standardized analog signals, enabling seamless integration with PLC, DCS, and machinery protection systems.
This sensor system is widely used in critical applications where precision, stability, and durability are essential, particularly in high-speed and high-temperature operating conditions.
PLC Export is a dedicated supplier of industrial automation spare parts, serving customers worldwide for over 20 years. We provide reliable solutions for PLC, DCS, and TSI systems used in demanding industrial environments.
PLC Export operates with a practical business philosophy focused on product reliability, efficient response, and long-term cooperation. By maintaining stable supply channels and professional support, we help customers reduce downtime and protect the continuity of their operations.
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Specifications
| Parameter | Specification |
|---|---|
| Model | PR6423/00E-030 with CON021 |
| Sensor Type | Eddy current displacement sensor |
| Measurement Method | Non-contact proximity measurement |
| Probe Diameter | 8 mm |
| Linear Measurement Range | 2.0 mm (80 mils) |
| Reference Gap | 0.5 mm (20 mils) |
| Scale Factor | 8 V/mm ±5% |
| Linearity Error | ≤ ±0.025 mm |
| Minimum Target Diameter | 25 mm |
| Target Material | Ferromagnetic steel |
| Output Signal (CON021) | –4 to –20 V or –2 to –18 V |
| Frequency Response | 0 to 20 kHz (–3 dB) |
| Supply Voltage | –23 to –32 V DC |
| Response Time | < 15 µs |
| Sensor Operating Temperature | –35 °C to +200 °C |
| Cable Operating Temperature | –35 °C to +150 °C |
| Sensor Protection Class | IP66 |
| Converter Protection Class | IP20 |
| Thread Type | M10 × 1 |
| Housing Material | Stainless steel |
| Sensor Weight | Approx. 100 g (with 1 m cable) |
| Certifications | ATEX |
Key Features
- Non-contact eddy current measurement technology
- High-precision displacement and vibration monitoring
- Standard analog outputs via CON021 module (4–20 mA, 0–10 V, ±10 V)
- IP66-rated for dust and water protection
- Wide operating temperature: -35 °C to +200 °C
- Compact design for easy installation and minimal maintenance
Typical Applications
- Steam and gas turbines
- Compressors, pumps, and motors
- Gearboxes and rotating shafts
- Shaft vibration and position monitoring
- Condition monitoring and predictive maintenance programs
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FAQ
Q1: What is the PR6423/00E-030 CON021 sensor used for?
A: It is a high-precision eddy current displacement sensor system for monitoring shaft displacement, vibration, and position in rotating machinery such as turbines, compressors, pumps, and gearboxes.
Q2: How does the sensor measure displacement without contact?
A: The PR6423 probe detects changes in the magnetic field caused by the target's movement using eddy current technology. This enables accurate measurement without physical contact, reducing wear and maintenance.
Q3: What output signals are available from the CON021 module?
A: The CON021 module provides standard analog outputs including 4–20 mA, 0–10 V, or ±10 V, compatible with PLC, DCS, and vibration monitoring systems.
Q4: Can this sensor operate in harsh environments?
A: Yes, it is IP66-rated and operates in temperatures ranging from -35 °C to +200 °C, suitable for high-temperature, dusty, or industrial conditions.
Q5: How is the sensor installed and maintained?
A: The compact, non-contact probe mounts close to the shaft. Minimal maintenance is required due to the non-contact design, while providing continuous monitoring.
Q6: What are typical applications for this sensor?
A: Shaft vibration monitoring, turbine and compressor condition monitoring, industrial pumps and fans, and predictive maintenance programs.
Q7: How precise is the measurement?
A: It delivers high-resolution, linear measurements suitable for fine displacement detection, providing reliable data for dynamic equipment monitoring.
Company
20 years supplying Original parts worldwide
DCS SYSTEM:
ABB,HIMA,Invensys Foxboro,Yokogawa,Invensys Triconex,Honeywell,Westinghouse,Emerson,Woodword
PLC SYSTEM:
Rockwell Allen-Bradley,Prosoft,Schneider Modicon,Bachmann,GE,Woodhead,Siemens
TSI SYSTEM:
Bently Nevada,EPRO,ENTEK
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