EPRO PR6423/069-110 Eddy Current Transducer

Overview

The EPRO PR6423/069-110 is a precision eddy current transducer engineered to measure mechanical parameters like displacement, vibration, and shaft eccentricity. This sensor excels in critical turbomachinery applications, including steam turbines, gas turbines, compressors, and pumps. Thanks to its non-contact measurement principle, it delivers reliable and accurate data, even in the harshest environments.

Key Features

Non-Contact Measurement: The eddy current principle ensures wear-free operation and precise readings over time.
Wide Application: It effectively monitors displacement, vibrations, and shaft movement in industrial machinery.
Compact and Durable: The transducer features a small size and a rugged design that can endure high temperatures and vibrations.
Easy Integration: The EPRO PR6423/069-110 comes pre-adjusted with a signal converter, simplifying installation and requiring only gap adjustments for optimal performance.

Technical Specifications

Specification	Details
Model	EPRO PR6423/069-110
Measurement Type	Eddy Current (Non-Contact)
Measurement Range	Dynamic: 0 to 1,000 μm (0 to 0.039 inches)
Linearity	± 1.5%
Sensitivity	4 V/mm (101.6 mV/mil)
Air Gap (Nominal)	Approx. 2.7 mm (0.11 inches)
Target Material	Ferromagnetic Steel (42CrMo4)
Maximum Surface Speed	2,500 m/s (98,425 ips)
Minimum Shaft Diameter	≥ 80 mm (3.15 inches)
Operating Temperature Range	-35°C to +150°C (-31°F to +302°F)
Pressure Resistance	10,000 hPa (145 psi)
Shock Resistance	5g @ 60Hz @ 25°C (77°F)
Material	Sleeve – Stainless Steel, Cable – PTFE
Weight (Sensor + 1m Cable)	Approx. 200 grams (7.05 oz)

Product Description

The EPRO PR6423/069-110 offers accurate displacement and vibration measurements for high-speed turbomachinery. It uses the eddy current principle, which ensures reliable, contactless measurement and long-term durability. Whether for steam turbines, compressors, or pumps, this sensor provides precise data in challenging environments.

With 4 V/mm sensitivity and a linearity of ± 1.5%, the EPRO PR6423/069-110 handles dynamic displacements from 0 to 1,000 μm (0 to 0.039 inches). Its pre-calibrated system, including a signal converter, ensures easy integration. You only need to adjust the gap between the sensor and the target for optimal performance.

This sensor operates in extreme conditions with a wide temperature range of -35°C to +150°C (-31°F to +302°F) and pressure resistance up to 10,000 hPa. The sensor’s rugged construction, which includes stainless steel and PTFE materials, ensures it can withstand harsh industrial environments.

Applications

The EPRO PR6423/069-110 is ideal for:

Turbomachinery: It monitors displacement and vibrations in steam and gas turbines.
Compressors and Pumps: It tracks shaft movement for dynamic analysis.
Condition Monitoring: It provides real-time data to support predictive maintenance efforts.
Gearboxes: It monitors vibration and wear in rotating components.