NEN 11220 : 1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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
01-11-2007
12-01-2013
Provides guidance on the practical measurement of the acoustic output of various types of medical ultrasonic equipment. Contains also procedures for correcting limitations caused by the use of hydrophones with finite bandwidth and finite active element size.
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