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download between 0-24 hoursReleased: 1990-01-31
IEC 61012:1990
Filters for the measurement of audible sound in the presence of ultrasound
Filtres pour la mesure des sons audibles en présence d'ultrasons
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English/French - Bilingual PDF
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Standard number: | IEC 61012:1990 |
Released: | 1990-01-31 |
Language: | English/French - Bilingual |
DESCRIPTION
IEC 61012:1990
This standard specifies the electrical characteristics of a U-weighting filter mainly for use with sound level meters meeting the requirements of IEC 651 for the measurement of audible sound in the presence of ultrasound.