
ILT-U-1308
Decibelmeter calibration
Frequency weighting; Attenuation in and out of the passing bands; and Linearity range Method: IEC 60651, IEC 61260, IEC 60804

Decibelmeter calibration
Frequency weighting; Attenuation in and out of the passing bands; and Linearity range Method: IEC 60651, IEC 61260, IEC 60804