EPRO PR6423000-031-CN+CON021 | Eddy Current Sensor System

Model Number： PR6423000-031-CN (Sensor) + CON021 (Converter)
Brand： EPRO (Emerson)
Dimensions： 110mm x 80mm x 50mm
Measurement Range ：0.5–10 mm (Linear)
Sensitivity： 8 V/mm ±5% @ 0–45°C
Frequency Response： 0–20 kHz

Categories: EPRO

Email：jllucky33@qq.com

phone：(86)17372046300

phone：(86)19389860630

Product content

In the realm of industrial condition monitoring, the EPRO PR6423000-031-CN+CON021 Eddy Current Sensor System stands as a benchmark for precision and reliability. Engineered to deliver non-contact measurements of shaft displacement, vibration, and speed in turbomachinery, this integrated solution combines the PR6423000-031-CN eddy current sensor with the CON021 signal converter, providing real-time insights that safeguard equipment health and operational continuity. Designed for power generation, oil and gas, and heavy manufacturing sectors, the PR6423000-031-CN+CON021 ensures early detection of anomalies, reducing unplanned downtime and extending machinery lifespan.

Technical Highlights Table

Label	Specification
Model Number	PR6423000-031-CN (Sensor) + CON021 (Converter)
Brand	EPRO (Emerson)
Type	Eddy Current Sensor System
Input Voltage	12–24 V DC (Sensor); 24 V DC (Converter)
Operating Temp	Sensor: -35°C to +200°C; Converter: -40°C to +85°C
Communication Methods	Analog output (-4V to -20V DC)
Mounting	Magnetic or threaded stud installation
Weight	Sensor: 260g; Converter: 300g
Certifications	CE, ATEX, IECEx, CSA (Intrinsic Safety)
Dimensions	110mm x 80mm x 50mm
Measurement Range	0.5–10 mm (Linear)
Sensitivity	8 V/mm ±5% @ 0–45°C
Frequency Response	0–20 kHz

Functional Strengths & Design Advantages

The PR6423000-031-CN+CON021 is engineered for resilience and adaptability. The sensor’s PTFE-insulated cable and nickel-plated brass connector resist corrosion and electromagnetic interference, ensuring stable performance in corrosive or high-noise environments . The CON021 converter, with its conformal-coated PCB, further enhances reliability by withstanding humidity up to 95% RH . Together, they achieve a measurement resolution of 0.1 µm, enabling precise detection of shaft movements that conventional sensors might miss .

Interoperability is another hallmark. The system supports hot-swappable modules, allowing maintenance without disrupting operations, and integrates seamlessly with EPRO’s MMS 3000/MMS 6000 turbine protection systems . Its modular design also accommodates future upgrades—for example, adding the CON031 converter to expand signal processing capabilities or pairing with the PR6423/010-130 sensor for specialized applications like piston position monitoring in reciprocating compressors .

Industrial Use Cases & Value Scenarios

In power generation, the PR6423000-031-CN+CON021 ensures grid stability by monitoring steam turbine shaft vibrations and axial thrust. By maintaining alignment within 0.025 mm tolerance, it prevents blade-to-stator collisions and optimizes energy output . In oil and gas, the system safeguards offshore compressors by detecting bearing wear and seal degradation, reducing repair costs by up to 20% through predictive maintenance .

Manufacturing industries leverage its precision for quality control in high-speed machinery. For instance, in automotive assembly lines, the system monitors spindle vibrations in CNC machines, improving part accuracy and extending tool life by 15% . Its SIL 3 capability also makes it suitable for safety-critical applications like emergency shutdown systems in chemical plants, where rapid response to deviations is paramount .

Compatible and Related Models

PR6423/010-000 – A compact variant for measuring coating thickness in automotive and aerospace industries .
CON031 – A high-frequency converter compatible with multiple PR6423 sensors, ideal for dynamic vibration analysis .
PR6423/010-130+CON021 – A specialized system for piezoelectric vibration monitoring in nuclear power applications .
MMS 6000 Turbine Protection System – EPRO’s comprehensive platform for integrating the PR6423000-031-CN+CON021 with real-time analytics .
PR6423/012-130 CON0211 – A ruggedized version with IP67 protection for extreme environments like offshore platforms .

Setup & Service Guidance

Installing the PR6423000-031-CN+CON021 requires aligning the sensor tip perpendicular to the shaft surface, ensuring a 0.5 mm initial air gap for optimal linearity . Use shielded twisted-pair cables for signal transmission, routing them away from high-voltage lines to minimize interference . The converter’s modular design allows easy DIN rail mounting, with screw terminals simplifying wiring for field technicians .

EMERSON	PR6423/000-030+CON021
EMERSON	PR6423/000-030+CON021
EMERSON	PR6423/000-031
EMERSON	PR6423/003-000+CON021
EMERSON	PR6423/003-030

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