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Chinese Standard: 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

IDT  ISO 19232-5:2018

全国无损检测标准化技术委员会(SAC/TC 56)

GB/T 23901的本部分规定了射线照相检测图像不清晰度和空间分辨率的测定方法。
 本部分规定的13组线对的双丝型像质计适用的管电压范围可达600 kV,超过13组线对的双丝型像质计适用的管电压范围低于225 kV。当使用超过1 MeV的高能射线照相检测时,可参照使用本部分的双丝型像质计,但测定结果可能存在较大偏差。

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