
|
Sensor Diameter |
8 mm |
|
Measuring Range |
2 mm (80 mils) |
|
Initial Air Gap |
0.5 mm (20 mils) |
|
Sensitivity |
8 V/mm (203.2 mV/mil) |
|
Linearity |
±0.025 mm |

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EPRO PR6423/005-001 Overview
The EPRO PR6423/005-001 is a high-performance 8 mm eddy current displacement sensor designed for continuous condition monitoring of critical rotating machinery. Utilizing non-contact measurement technology, it accurately detects shaft vibration, axial displacement, eccentricity, speed, and position in turbines, compressors, pumps, gearboxes, and other turbomachinery. The sensor is engineered to operate reliably in harsh industrial environments and is commonly used with EPRO signal converters and machinery protection systems.
EPRO PR6423/005-001 specifications
|
Model |
PR6423/005-001 |
|
Product Type |
Eddy Current Displacement Sensor |
|
Sensor Diameter |
8 mm |
|
Measuring Range |
2 mm (80 mils) |
|
Initial Air Gap |
0.5 mm (20 mils) |
|
Sensitivity |
8 V/mm (203.2 mV/mil) |
|
Linearity |
±0.025 mm |
|
Frequency Response |
Up to 20 kHz |
|
Minimum Shaft Diameter |
25 mm |
|
Operating Temperature |
-35°C to +180°C |
|
Protection Class |
IP66 |
|
Housing Material |
Stainless Steel |
|
Sensor Tip Material |
PEEK |
|
Cable Material |
PTFE |
|
Weight |
Approx. 100 g |
|
Certifications |
API 670, ATEX, IECEx (system dependent) |
EPRO PR6423/005-001 Features
|
l PR6423/005-001 Current Sensor Non-Contact Eddy Current Technology: Utilizes advanced electromagnetic induction to capture micron-level shaft vibration and displacement without any physical contact or wear. |
|
l Epro PR6423/005-001 Wide Linear Range: Offers a precise 2.0 mm (80 mils) linear measuring range, ensuring accurate data even during significant shaft movement or surges. |
|
l Epro PR6423/005-001 Extreme Temperature Resilience: The sensor head and integral cable are rated for -35°C to +180°C, specifically engineered for the high-heat environments of turbines and compressors. |
|
l High-Frequency Response: Supports a dynamic monitoring spectrum from 0 Hz to 20,000 Hz, making it capable of tracking everything from slow-roll speeds to ultra-high-speed rotations. |
|
l Superior Signal Linearity: Delivers professional-grade accuracy with a Deviation from Best Fit Straight Line (DSL) of only ±0.025 mm, minimizing signal distortion. |
EPRO PR6423/005-001 Uses
The PR6423/005-001 is commonly used to measure:
l Radial shaft vibration
l Axial shaft displacement (thrust position)
l Shaft eccentricity
l Differential expansion
l Oil film thickness
l Rotor position monitoring
l Rotational speed measurement
l Machinery condition monitoring and protection
EPRO PR6423/005-001 Application Scenarios
l Steam and Gas Turbines
Provides continuous shaft vibration and position monitoring to prevent unexpected turbine failures.
l Centrifugal Compressors
Measures shaft movement and thrust position for improved operational reliability.
l Industrial Pumps
Detects bearing wear, shaft misalignment, and vibration abnormalities.
l Gearboxes
Monitors shaft eccentricity and vibration to support predictive maintenance programs.
l Power Generation Plants
Integrated into machinery protection systems for critical rotating assets.
FAQ-EPRO PR6423/005-001
l What is the primary function of the PR6423/005-001?
It performs non-contact measurement of shaft vibration, displacement, position, and speed in rotating machinery.
l Why is non-contact sensing important in turbomachinery?
It eliminates sensor wear and enables highly accurate monitoring without affecting machine operation.
l Which industries commonly use this sensor?
Power generation, oil & gas, petrochemical, mining, and heavy industrial manufacturing.
l Can the PR6423/005-001 operate in high-temperature environments?
Yes. The sensor can withstand temperatures up to +180°C, making it suitable for turbine and compressor applications.
l Is the PR6423/005-001 compliant with API 670 requirements?
Yes. The PR6423 series is designed to meet the requirements of API 670 and other international machinery monitoring standards.
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