EPRO PR6423/000-040 Eddy Current Sensor

Overview

The EPRO PR6423/000-040 is a highly precise and reliable eddy current sensor, engineered for monitoring dynamic displacements and vibrations. Designed by EPRO, this sensor is ideal for use in demanding industrial environments, including turbines, compressors, and pumps. It ensures high accuracy and durability, making it a perfect choice for critical applications.

Key Features

High Precision and Sensitivity: The EPRO PR6423/000-040 delivers an impressive linear measurement range of 2 mm (80 mils), with a deviation as low as ± 0.025 mm. This level of precision is crucial for accurate monitoring in dynamic industrial environments.
Wide Temperature and Frequency Range: This sensor operates across a wide temperature range from -35°C to +180°C (-31°F to +356°F). Additionally, it supports a frequency range of up to 20,000 Hz, making it suitable for both low- and high-speed measurements.
Robust and Corrosion-Resistant Construction: Featuring a PEEK sensor tip and a stainless steel case, the EPRO PR6423/000-040 offers excellent protection against wear, corrosion, and extreme environmental conditions. This design ensures long-term reliability.
Easy Integration with Systems: The sensor integrates seamlessly with PR6422, PR6423, PR6424, PR6425, PR6426, and PR6453 models. It is also compatible with extended range converters like CON021/91x-xxx, which makes it highly flexible and adaptable to various applications.
User-Friendly Installation: The EPRO PR6423/000-040 comes with self-locking Lemo plugs and a screw terminal connection for supply and output. This makes the installation process quick and straightforward.

Applications

The EPRO PR6423/000-040 is ideal for a wide variety of industrial applications, including:

Turbine Monitoring: For monitoring shaft displacement, position, and vibration in turbines.
Compressor Monitoring: For dynamic displacement and vibration measurements in compressors.
Pump and Gearbox Monitoring: Used to detect shaft eccentricity and vibrations, ensuring smooth operation.
Vibration and Speed Control: For precise vibration monitoring in rotating machinery.
Machine Diagnostics: Helps identify early signs of wear or malfunction, improving maintenance and reducing downtime.

Technical Specifications

Parameter	Value
Measurement Range	0 to 4 mm
Sensitivity	10 mV/μm
Frequency Range	10 Hz to 10 kHz
Preamplifier Gain	100
Preamplifier Output Voltage	100 mV
Input Impedance	1 MΩ
Output Impedance	50 Ω
Linear Measurement Range	2 mm (80 mils)
Deviation from Best Fit Line (DSL)	± 0.025 mm (± 1 mil)
Incremental Scale Factor (ISF)	ISO: 8 V/mm (203.2 mV/mil) ± 5% @ 0 to 45°C
Minimum Shaft Diameter	25 mm (0.79”)
Protection Class	IP66, IEC 60529
Weight (Sensor with 1m Cable)	Approx. 100 grams (3.53 oz)
Dimensions	50 mm x 50 mm x 10 mm
Cable Length	8 meters (non-armored)
Cable Connector	Lemo
Operating Temperature Range	-40°C to +125°C (-40°F to +257°F)
Shock and Vibration	5g @ 60 Hz @ 25°C (77°F)
Supply Voltage Range	-23V to -32V (Output Range -4V to -20V)
Alternative Supply Voltage Range	-21V to -32V (Output Range -2V to -18V)
Housing Material	LMgSi 0.5 F22
Mounting	4 Screws M5x20 (Included in Delivery)

How It Works

The EPRO PR6423/000-040 operates by creating an electromagnetic field that interacts with a conductive target, typically made of ferromagnetic steel. As the target moves, the sensor detects changes in the field and converts them into electrical signals. This allows it to monitor dynamic displacement and shaft position with high precision.

Moreover, the sensor’s high-frequency response enables it to capture fast movements, while its high sensitivity ensures even the smallest changes are measured accurately. The EPRO PR6423/000-040 is built to integrate with a range of systems, providing versatile applications in critical machinery monitoring.

Conclusion

In conclusion, the EPRO PR6423/000-040 is a reliable, high-precision eddy current sensor designed for industrial applications that demand accuracy, durability, and versatility. With its broad operating temperature range, high-frequency capabilities, and corrosion-resistant construction, it provides excellent value for turbines, compressors, and other machinery. By integrating seamlessly with various EPRO systems, it offers an efficient solution for displacement and vibration monitoring.