BS EN 61220:1995被替代
Ultrasonics. Fields. Guidance for the measurement and characterization of ultrasonic fields generated by medical ultrasonic equipment using hydrophones in the frequency range 0.5 MHz to 15 MHz
出版：British Standards Institution
专家解读视频
Includes procedures for correcting for limitations caused by use of hydrophones with finite bandwidth and active element size.
© British Standards Institution 2013
IEC/TS 61220 Ed. 1.0 - Equivalent
SN EN 61220:1995 - Identical
SS EN 61220 Ed. 1 (1996) - Identical
NBN EN 61220:1996 - Identical
I.S. EN 61220:1996 - Identical
NF EN 61220:1995 - Identical
UNE EN 61220:1996 - Identical
