NEN EN IEC 61012 : 1998
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The latest, up-to-date edition.
FILTERS FOR THE MEASUREMENT OF AUDIBLE SOUND IN THE PRESENCE OF ULTRASOUND
Published date
01-12-2013
Publisher
Specifies the electrical characteristics of a U-weighting filter mainly for use with sound level meters meeting the requirements of IEC 60651 for the measurement of audible sound in the presence of ultrasound.
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