NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 61157 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60469-1 | 1987 | Pulse techniques and apparatus. Part 1 : Pulse terms and definitions More |
| IEC 61102 | 1991-11 | Measurement and characterisation of ultrasonic fields using hydrophones in the frequency range 0,5 MHz to 15 MHz More |
| IEC 61161 | 1992-07 | Ultrasonic power measurement in liquids in the frequency range 0,5 MHz to 25 MHz More |
| IEC/TR 60854 | 1986 | Methods of measuring the performance of ultrasonic pulse-echo diagnostic equipment More |