EPRO PR6424/010-030 Eddy Current Sensor

Overview

The EPRO PR6424/010-030 is a precise, non-contact eddy current sensor that measures mechanical parameters like displacement and vibration. It is ideal for use in demanding industrial applications, particularly in turbomachinery. This sensor stands out due to its high sensitivity, compact design, and rugged construction, making it capable of functioning in harsh environments where reliability is crucial.

Applications

The EPRO PR6424/010-030 sensor is widely used for monitoring key mechanical parameters in a variety of systems, such as:

Clearances between rotating and stationary parts
Vibration of rotating machinery and static components
Axial and radial shaft movements
Dynamic motion and eccentricity of shafts
Deformation and bending of rotating and stator components
Thrust bearing wear and positions
Oil film thickness
Differential expansions and housing deformations

By measuring these parameters accurately, the sensor plays a vital role in ensuring optimal performance, early problem detection, and predictive maintenance.

How It Works

The EPRO PR6424/010-030 uses the principle of eddy currents to detect the distance between the sensor and the target. When the sensor detects the proximity of a metallic object, the eddy current field changes, causing a measurable signal change. This non-contact method offers high accuracy without introducing mechanical wear or requiring direct contact with the components.

Furthermore, the sensor is pre-calibrated, which reduces setup time and allows for immediate integration into the system. Users only need to adjust the gap between the sensor and target to achieve optimal results.

Key Benefits

Non-contact measurement eliminates mechanical wear, increasing sensor longevity.
Rugged construction makes it suitable for harsh environments and high-precision applications.
Pre-calibrated system allows for quick installation and setup.
High accuracy and reliability ensure precise measurements for performance monitoring and predictive maintenance.

Technical Specifications

Parameter	Specification
Model Number	EPRO PR6424/010-030
Measurement Range	2 mm (80 mils)
Initial Air Gap	0.5 mm (20 mils)
Incremental Scale Factor	ISO: 8 V/mm (203.2 mV/mil) ± 5% at 0 to 45°C
Deviation from Best Fit	± 0.025 mm (± 1 mil) at 0 to 45°C
Measuring Target	Ferromagnetic Steel (42CrMo4 / AISI/SAE 4140)
Minimum Shaft Diameter	25 mm (0.79”)
Target Material	Standard: 42CrMo4 (AISI/SAE 4140)
Protection Class	IP66, IEC 60529
Operating Temperature	Sensor: -35°C to +180°C (-31°F to 356°F)
	Cable & Connector: -35°C to +150°C (-31°F to 302°F)
Material	Sensor Tip: PEEK (Polyether Ether Ketone)
	Sensor Case: Stainless Steel
	Cable: PTFE (Polytetrafluoroethylene)
	Connector: Brass, nickel-plated
Weight (Sensor + 1m Cable)	Approx. 100 grams (3.53 oz)

Conclusion

The EPRO PR6424/010-030 provides precise, non-contact measurement for a wide range of mechanical parameters. It is especially suitable for industrial applications requiring high sensitivity and reliability. The sensor’s compact design, rugged construction, and easy integration ensure that it performs exceptionally well in demanding environments. This device enhances machinery monitoring and predictive maintenance efforts, reducing downtime and improving operational efficiency.