Introduction
The Epro PR6423/001-121 8 mm Eddy-Current Sensor is a precision industrial sensor designed for high-accuracy, non-contact measurement in motion control, position feedback, and condition monitoring applications. Built on Epro’s proven eddy-current technology, this sensor delivers stable analog output with excellent linearity and fast response—empowering engineers to achieve reliable control and measurement in demanding environments.
With rugged construction and optimized sensing performance, the PR6423/001-121 stands out in heavy-duty machinery, automated production lines, robotics, and process systems where uptime and repeatability are essential.
Technical Specifications
| Specification | Value |
|---|
| Brand | Epro |
| Model | PR6423/001-121 |
| Sensor Type | Eddy-Current Proximity Sensor |
| Nominal Sensing Distance | 8 mm |
| Output Signal | Analog 0–10 V |
| Target Material | Conductive metals (steel, aluminum, copper alloys) |
| Linearity | ±1 % of full scale |
| Response Time | ≤ 1 ms |
| Operating Temperature | −40 °C to +125 °C |
| Storage Temperature | −40 °C to +125 °C |
| Protection Rating | IP67 |
| Housing Diameter | Ø 16 mm |
| Mounting Thread | M16 × 1 |
| Connector | M12 4-pin |
| Cable Length | Standard 2 m |
Typical Applications
The Epro PR6423/001-121 is engineered for industrial systems requiring non-contact precision measurement:
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Robotic position feedback
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Gap and clearance monitoring on rotating equipment
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Linear measurement in actuators and slides
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Vibration analysis for condition-based maintenance
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Critical quality inspection on manufacturing lines
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Machine tool automation systems
Its reliable analog output and robust design make it suitable for PLC integration, data logging, and advanced control strategies.
Core Advantages
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Non-Contact Sensing — Eliminates wear and friction, extending service life and reducing maintenance.
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High Linearity and Accuracy — Ensures repeatable analog feedback throughout the sensing range.
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Fast Response Dynamics — Ideal for real-time process control and high-speed applications.
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Durable Industrial Construction — IP67 construction resists dust, moisture, and mechanical shock.
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Wide Temperature Tolerance — Performs reliably across extreme thermal conditions.
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Standard Connectivity — M12 4-pin interface simplifies integration and reduces wiring complexity.
Embodying precision and ruggedness, this sensor enhances measurement confidence across automated systems.
Technical FAQs
1. What does “8 mm” represent?
It is the nominal sensing gap at which the sensor detects conductive targets with optimal accuracy.
2. Can the sensor measure non-metal objects?
No, it is designed specifically for conductive metal detection (e.g., steel, aluminum).
3. What type of output is provided?
A proportional analog voltage from 0–10 V.
4. Is it compatible with standard PLC analog inputs?
Yes, the 0–10 V output is compatible with most industrial PLC analog modules.
5. Does it require calibration after installation?
No, the sensor is factory calibrated and ready for immediate use.
6. What environmental protection does it offer?
It is IP67 rated, protecting against dust and water ingress.
7. What is the connector type?
M12 4-pin industrial connector for secure cabling.
8. Can it handle extreme temperatures?
Yes, it operates reliably between −40 °C and +125 °C.
9. Is this sensor suitable for vibration measurement?
Yes, its fast response supports dynamic monitoring.
10. Are custom cable lengths available?
Yes, custom lengths and termination options can be provided on request.
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