Introduction

The Epro PR6424/008-021 16 mm Eddy Current Sensor is designed for precise monitoring of rotating machinery in industrial applications. Part of the PR6424 series, it delivers reliable shaft vibration and displacement measurements essential for machinery protection and predictive maintenance strategies.

Its robust construction and stable eddy-current sensing technology ensure consistent long-term performance in challenging industrial environments, helping operators reduce downtime and maintain operational efficiency.

Technical Specifications

Specification	Details
Product Type	Eddy Current Sensor
Series	PR6424
Model Number	PR6424/008-021
Sensor Head Diameter	16 mm
Measurement Type	Non-contact vibration & displacement
Operating Principle	Eddy-current induction
Target Material	Ferromagnetic steel
System Requirement	External signal converter (e.g., CON021)
Application	Turbomachinery and rotating equipment monitoring
Operating Environment	Industrial rotating machinery
Weight	0.2 kg (0.44 lb)

Applications

The Epro PR6424/008-021 16 mm Eddy Current Sensor is a precision, non-contact sensor engineered for monitoring shaft vibration, displacement, and position in industrial rotating machinery. Its 16 mm sensor head provides accurate and reliable readings for machinery protection and predictive maintenance systems.

Steam, gas, and hydro turbine shaft monitoring
Compressor axial and radial displacement measurement
Industrial pump and fan condition monitoring
Generator rotor eccentricity and alignment detection
Gearbox and rotating equipment diagnostics
Petrochemical and refinery machinery protection
Continuous power generation machinery monitoring

The sensor is built for stable, long-term operation in demanding industrial environments.

Advantages

16 mm eddy-current non-contact sensing technology
High-precision measurement with stable long-term output
Durable stainless-steel construction for harsh environments
Compact design suitable for tight installation spaces
Compatible with Epro signal conditioning systems (e.g., CON021 series)
Fast response for real-time machinery diagnostics
Supports predictive maintenance and early fault detection
Reduces mechanical wear and installation complexity

The PR6424/008-021 delivers consistent and dependable performance for critical industrial machinery applications.

Technical FAQs

What does this sensor measure?
Shaft vibration, displacement, eccentricity, and position using eddy-current technology.
Is it contact-based?
No, it is a non-contact sensor, preventing mechanical wear.
Which machinery is it suitable for?
Turbines, compressors, pumps, fans, and industrial rotating equipment.
Does it require a signal converter?
Yes, it is compatible with Epro/Emerson signal conditioning modules like CON021.
Can it measure both static and dynamic displacement?
Yes, it captures both shaft position and dynamic vibration signals.
Is it suitable for high-speed machinery?
Yes, designed for critical high-speed rotating applications.
What environments can it operate in?
Harsh industrial environments with vibration, temperature variations, and oil exposure.
Can it be used in predictive maintenance systems?
Yes, it is widely used in condition-based monitoring programs.
Does installation affect measurement accuracy?
Proper alignment and calibration are required for precise readings.
What faults can it detect?
Imbalance, misalignment, looseness, and bearing defects.