Ultrasonics - Pulse-echo scanners - Part 1: Techniques for calibrating spatial measurement systems and measurement of system point-spread function response (IEC 61391-1:2006); German version EN 61391-1:2006— 45 стр.
Ultrasonics - Pulse-echo scanners - Part 1: Techniques for calibrating spatial measurement systems and measurement of system point-spread function response (IEC 61391-1:2006 + A1:2017); German version EN 61391-1:2006 + A1:2017— 71 стр.
Ultrasonics - Pulse-echo scanners - Part 2: Measurement of maximum depth of penetration and local dynamic range (IEC 61391-2:2010); German version EN 61391-2:2010— 39 стр.
Ultrasonics - Pulse-echo scanners - Part 1: Techniques for calibrating spatial measurement systems and measurement of system point-spread function response (IEC 61391-1:2006 + A1:2017); German version EN 61391-1:2006 + A1:2017— 71 стр.