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prEN ISO 32543-2

Non-destructive testing - Characteristics of focal spots in industrial X-ray systems - Part 2: Edge method with hole type gauges (ISO/DIS 32543-2:2024)

General information

Draft
Base Documents
ISO/DIS 32543-2; prEN ISO 32543-2
Directives or regulations
None
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Standard history

Status
Date
Type
Name
01.03.2000
Main
This European standard specifies a method for the measurement of effective focal spot dimensions above 0,1 µm of X-ray systems by means of the edge method applied to digital images taken from hole type or disk type gauges. The imaging quality and the resolution of X-ray images depend highly on the characteristics of the effective focal spot, in particular the size and the two-dimensional intensity distribution as seen from the detector plane.
This document provides instructions for determining the effective size (dimensions) of standard, mini and micro focal spots of industrial X-ray tubes for users in applications where the pin hole method of EN12543-2 is not practicable. This determination is based on the measurement of a profile of an image of a hole or disk type gauge.
The method as described in this document can be used for long term monitoring of focal spot sizes without a pin hole camera.  
The accuracy of this method is lower than the one of ISO 32543-1 (EN 12543-2), ISO/NP 32543-3 (EN 12543-5) and ISO/NP 32543-4 (future EN 12543-6), using ASTM hole plate IQIs (ASTM E 1025, E 1742), due to its manufacturer tolerance of 10%.

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