IEC 61012:1990
Filters for the measurement of audible sound in the presence of ultrasound
Ausgabedatum:
1990-01
Edition:
1.0
Sprache: EN-FR - zweisprachig englisch/französisch
Seitenzahl: 13 VDE-Artnr.: 202558
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.