Replaced
Specifies, for hydrophones, a calibration method with a
pistonphone, between 1 Hz and 50 Hz, and a calibration method with
a vibrating column, between 10 Hz and 3 kHz.
WITHDRAWN
IEC 60565A:1980 ED1
99.60
Withdrawal effective
Nov 22, 2006
WITHDRAWN
IEC 60565:2006 ED2