Technical Articles

What is EN ISO 19232-1:2021?

In the field of industrial radiology, standards play a crucial role in ensuring reliable and accurate measurements. One such standard is the EN ISO 19232-1:2021, which provides guidelines for image quality in radiographs of metallic materials using X-ray or gamma-ray techniques.

Understanding EN ISO 19232-1:2021

The EN ISO 19232-1:2021 standard outlines the essential elements required for achieving high-quality radiographic images. It covers a range of parameters, including image quality indicators, image quality classes, and acceptance levels. These guidelines help ensure that radiographs are of sufficient quality to detect and evaluate any potential defects in metallic materials.

Importance of Image Quality Indicators

Image quality indicators (IQIs) serve as a reference for assessing the overall image quality. They consist of small test objects made from the same material as the test specimen, featuring a range of thicknesses. IQIs assist in evaluating factors such as contrast sensitivity, spatial resolution, and geometric unsharpness. By comparing the visibility of these test objects on the radiograph to predetermined acceptance criteria, one can determine if the image meets the required quality levels.

Application and Benefits of EN ISO 19232-1:2021

The application of EN ISO 19232-1:2021 ensures consistent image quality across different radiographic systems and facilitates effective comparison of radiographs from various sources. This standard helps manufacturers, testing laboratories, and end-users maintain traceability and improve the reliability of inspection results. Adhering to the guidelines outlined in this standard guarantees that radiographs accurately represent the inspected materials and aids in making informed decisions regarding their suitability for specific applications.



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