EPRO PR6423/003-031 Eddy Current Sensor for Turbomachinery Applications

The EPRO PR6423/003-031 is a highly versatile and compact eddy current sensor designed for precise measurement of radial and axial shaft displacement, position, eccentricity, and speed. It is ideal for use in critical turbomachinery applications, such as steam turbines, gas turbines, hydro turbines, compressors, gearboxes, pumps, and fans. This sensor offers superior performance and durability, making it suitable for industries requiring accurate monitoring in harsh environments.

Key Features

• Non-Contact Measurement: The EPRO PR6423/003-031 operates on a non-contact principle, ensuring precise measurement without wear or contamination. This feature is crucial for preserving both the sensor and the target machinery, extending their lifecycles.
• High Sensitivity & Accuracy: The sensor achieves ±0.05 mm position accuracy and ±0.025 mm eccentricity accuracy. These high-precision measurements make it ideal for demanding applications that require strict performance monitoring.
• Wide Operating Temperature Range: With an operating range of -40°C to +85°C, this sensor adapts to a variety of environmental conditions, providing reliable performance in both cold and hot environments.
• Rugged Construction: Built with a durable design, the EPRO PR6423/003-031 withstands extreme conditions, including vibrations of up to 20 g peak-to-peak (10 to 2,000 Hz) and shocks of 50 g peak (11 ms). Its IP65 protection rating ensures resistance to dust, water, and harsh chemicals.
• Easy Installation and Maintenance: The compact and simple design allows for quick installation and minimal maintenance. This reduces downtime and operational disruptions.

Technical Specifications

Applications

The EPRO PR6423/003-031 is widely used in industries that demand accurate measurement of displacement, speed, and eccentricity in machinery. Its applications include:

• Steam Turbines: Ensures accurate monitoring of radial and axial displacement in turbine shafts.
• Gas and Hydro Turbines: Measures eccentricity and position in turbines for optimal performance.
• Compressors: Monitors displacement and speed to ensure efficient operation and early failure detection.
• Gearboxes: Measures displacement and eccentricity, helping to maintain gearbox health.
• Pumps & Fans: Tracks dynamic displacement and speed, enhancing reliability and reducing maintenance costs.

Description

The EPRO PR6423/003-031 is part of Emerson’s advanced monitoring solutions, specifically engineered for applications where precision is critical. It is used for measuring dynamic displacement, shaft position, eccentricity, and speed in high-performance machinery like steam turbines, gas turbines, compressors, and gearboxes. Designed to operate in harsh industrial environments, the sensor is built to withstand extreme temperatures, high vibration, and other challenging conditions.

With its non-contact technology, the EPRO PR6423/003-031 provides accurate and reliable measurements without the risk of wear or contamination. This feature extends the service life of both the sensor and the monitored machinery, making it a highly cost-effective solution for industries such as power generation, oil and gas, and manufacturing.