GB/T 39242-2020
Non-destructive testing—Ultrasonic testing—Sensitivity and range setting (English Version)

Standard No.

GB/T 39242-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 39242-2020

Scope

This standard specifies the general rules for setting the baseline range and sensitivity (such as gain adjustment) when using an A-scan ultrasonic detector for manual testing, with the purpose of ensuring repeatable measurement of the reflector position and echo height. This standard applies to single-crystal or twin-crystal single-probe contact technology, not applicable to liquid immersion technology and multi-probe technology.

GB/T 39242-2020 Referenced Document

• GB/T 19799.1 Non-destructive testing.Ultrasonic testing.Specification for calibration block No. 1
• GB/T 19799.2 Non=destructive testing--Ultrasonic testing--Specification for calibration block No.2

GB/T 39242-2020 history

• 2020 GB/T 39242-2020 Non-destructive testing—Ultrasonic testing—Sensitivity and range setting