Introduction

The Epro PR6423/013-020 8 mm Eddy Current Sensor delivers high-precision displacement and vibration measurements in a compact form factor. Engineered for demanding industrial and research applications, this sensor ensures accurate readings even under extreme conditions. Its lightweight design and small diameter allow seamless integration into machinery or experimental setups where space is limited.

Technical Specifications

Parameter	Specification
Sensor Type	Eddy Current
Probe Diameter	8 mm
Measurement Range	0–1 mm
Linearity	±1% F.S.
Frequency Response	0–20 kHz
Operating Temperature	-40°C to +125°C (-40°F to +257°F)
Weight	0.1 kg (0.22 lb)
Dimensions	8 mm diameter × 50 mm length

Applications

The EPRO PR6423/013-020 8 mm Eddy Current Sensor Head is a precision non-contact probe used for continuous monitoring of rotating machinery in demanding industrial environments. It is designed to measure shaft vibration, displacement, and position with high stability in mission-critical systems.

Typical applications include:

Steam, gas, and hydro turbines
Centrifugal and axial compressors
Industrial pump and pump-train systems
Gearboxes and high-speed rotating machinery
Power generation and utility monitoring systems
Condition monitoring and predictive maintenance platforms
Shaft eccentricity and axial displacement measurement
OEM turbomachinery protection systems

Advantages

Compact and Lightweight: Only 0.1 kg (0.22 lb), making installation in tight spaces effortless.
High Accuracy: Delivers precise displacement detection with minimal signal noise.
Durable Design: Resistant to harsh industrial environments including vibration, dust, and moderate moisture.
Fast Response: Capable of high-frequency measurements for dynamic applications.
Easy Integration: Compatible with standard signal conditioning units and controllers.

Technical FAQs

What is the operating temperature range?
The sensor functions reliably between -40°C and +125°C (-40°F to +257°F).
What type of output signal does it provide?
The PR6423/013-020 produces a voltage signal proportional to displacement, suitable for most standard signal conditioners.
Can it measure both metallic and non-metallic targets?
Eddy current sensors are designed for conductive targets only; non-metallic targets are not detectable.
What is the sensing range?
Standard measurement range is 0–1 mm, with linearity guaranteed within ±1% of full scale.
Is calibration required?
Factory-calibrated; periodic verification is recommended for precision applications.
How is it mounted?
Typically mounted using precision brackets or custom fixtures, ensuring stable alignment with the target surface.
Does it require a specific signal conditioner?
Compatible with most Epro and third-party eddy current signal conditioners supporting 8 mm probe heads.
What is the maximum frequency response?
Up to 20 kHz, suitable for high-speed machinery monitoring.
Can multiple sensors be used simultaneously?
Yes, multiple sensors can be installed with proper spacing to avoid interference.
Is it resistant to electromagnetic interference (EMI)?
Designed with shielding to minimize EMI, maintaining signal integrity in industrial environments.