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sklademVydáno: 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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Anglicky/Francouzsky Hardcopy
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23.79 €
Anglicky/Francouzsky PDF
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Označení normy: | IEC 61012:1990 |
Vydáno: | 1990-01-31 |
Jazyk: | Anglicky/Francouzsky |
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.