GB/T 23901.5-2019: Non-destructive testing -- Image quality of radiographs -- Part 5: Determination of the image quality unsharpness and basic spatial resolution value using duplex wire-type image quality indicators

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Scope

This part of GB/T 23901 specifies the method for determining the unsharpness and spatial resolution of radiographic images.
The two-wire type image quality meter for the 13 pairs of wire pairs specified in this section can be used up to 600kV, and more than 13 pairs of wire pairs
The tube voltage range for the image quality meter is less than 225kV. When using high-energy radiographic detection of more than 1 MeV, refer to the use of this part.
The split wire type image quality meter, but the measurement results may have large deviations.

Basic Data

Standard ID	GB/T 23901.5-2019 (GB/T23901.5-2019)
Description (Translated English)	Non-destructive testing -- Image quality of radiographs -- Part 5: Determination of the image quality unsharpness and basic spatial resolution value using duplex wire-type image quality indicators
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J04
Classification of International Standard	19.100
Word Count Estimation	14,153
Date of Issue	2019-06-04
Date of Implementation	2020-01-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration