Standard

NS-EN ISO 32543-3:2026

Jan 2026 Published

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Abstract

This document specifies a method for the measurement of focal spot dimensions within the range of 5 µm to 300 µm of X-ray systems up to and including 225 kV tube voltage. This determination is based on the evaluation of an image with a dedicated focal spot that has been radiographically recorded using an edge and evaluated with a digital method.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.For the characterisation of commercial X-ray tube types (i.e. for advertising or trade) the specific maximum values of annex A should be preferred.

Document information

Standard from SN
Published: 28 January 2026
Edition: 2026-01
Version: 1
Document type: NAT
ISBN:

ICS 19.100

Product Relations

Referred by: NS-EN ISO 17636-2:2022
Referred by: NS-EN ISO 17636-1:2022
Refers: NS-EN ISO 19232-5:2018
Referred by: NS-EN ISO 16371-2:2017
Referred by: NS-EN 12681-1:2017
Referred by: NS-EN 12681-2:2017
Referred by: NS-EN ISO 5579:2013
Referred by: NS-EN ISO 17636-1:2013
Refers: NS-EN ISO 11699-1:2011
Refers: ISO 16371-1:2011
Refers: ISO 16371-1:2011
Refers: ISO 16371-1:2011
Replaces: NS-EN 12543-5:1999
Adopted from: EN ISO 32543-3:2026

Product life cycle

Previous product

Withdrawn

NS-EN 12543-5:1999
Current product

Published

NS-EN ISO 32543-3:2026

NS-EN ISO 32543-3:2026

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