Introduction

The EPRO PR6424/010-000 is part of the PR6424 series of 16 mm eddy-current sensors engineered for high-accuracy shaft displacement measurement in mission-critical rotating machinery. It plays a key role in machinery protection systems by enabling early detection of imbalance, misalignment, and bearing wear through precise gap and vibration monitoring.

Its robust industrial design and high stability make it suitable for continuous use in environments where operational reliability is essential.

Technical Specifications

Parameter	Specification
Model	PR6424/010-000
Product Type	16 mm Eddy Current Sensor
Measurement Principle	Eddy-current non-contact sensing
Application	Turbomachinery vibration and displacement monitoring
Sensor Diameter	16 mm
Sensitivity	4 V/mm (±1.5%)
Linear Range	±2.0 mm
Dynamic Range	0 to 1,000 µm
Nominal Air Gap	~2.7 mm
Target Material	Ferromagnetic steel
Operating Temperature	-35 to 180 °C
Long-term Drift	< 0.3%
Weight	0.2 kg (0.44 lb)
Installation Type	Fixed industrial mounting with external converter system

Applications

The PR6424/010-000 is commonly deployed in high-reliability turbomachinery environments where accurate shaft behavior monitoring is essential:

Steam and gas turbines in power generation plants
Centrifugal and axial compressors in oil & gas facilities
Industrial pumps and high-speed rotating equipment
Hydro turbines and generator sets
Fans, blowers, and heavy rotating mechanical systems

It is typically used with a signal converter (such as CON series modules) to provide accurate displacement and vibration outputs.

Advantages

High-precision non-contact eddy-current measurement
Designed for critical turbomachinery monitoring (API 670 aligned applications)
Stable long-term drift performance for predictive maintenance systems
High resistance to temperature, vibration, and industrial contamination
Accurate measurement of both static and dynamic shaft displacement
Reliable operation in harsh industrial environments
Compatible with standardized Emerson EPRO signal conditioning systems

Technical FAQs

1. What measurement principle does this sensor use?
It uses eddy-current technology to measure displacement without physical contact with the shaft.

2. What type of machinery is it designed for?
It is designed for turbines, compressors, pumps, fans, and other rotating machinery.

3. Does it measure vibration directly?
It measures shaft displacement, which is then used to derive vibration and position data.

4. Is a signal converter required?
Yes, it must be paired with a compatible CON-series converter for signal processing.

5. Can it operate in high-temperature environments?
Yes, it is designed for harsh turbomachinery conditions with elevated temperatures.

6. Is physical contact with the shaft required?
No, it operates fully without contact.

7. What materials is it optimized for measuring?
It is optimized for conductive ferromagnetic targets such as steel shafts.

8. Is it suitable for continuous monitoring?
Yes, it is designed for 24/7 condition monitoring systems.

9. Does it support both axial and radial measurement?
Yes, it supports both radial vibration and axial displacement monitoring depending on setup.

10. What industries typically use this sensor?
It is widely used in power generation, oil & gas, petrochemical, and heavy industrial sectors.

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