ISO 16831-2012 Non-destructive testing - Ultrasonic testing - Characterization and verification of ultrasonic thickness measuring equipment

First edition 2012-04-01 24p.
This International Standard specifies methods and acceptance criteria for assessing the performance of instruments for􀀃measuring thickness using pulse-echo ultrasound.
This International Standard covers both direct (digital) reading and waveform display types using single or dual element probes.
This International Standard can be used for verifying equipment covered by EN 12668 when used for thickness measurement.