IEC 61101:1991 ed1.0

Заменен

The absolute calibration of hydrophones using the planar scanning technique in the frequency range 0.5 MHz to 15 MHz — 46 стр.

Specifies a method of absolute calibration of hydrophones based on the planar scanning technique in the frequency range 0,5 MHz to 15 MHz.

Заменен на

IEC 62127-1:2007 ed1.0

ICS

17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры