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Home>IEC 61012:1990

IEC 61012:1990

IEC 61012:1990

IEC 61012:1990 Filters for the measurement of audible sound in the presence of ultrasound

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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.

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