05-Apr-2020, 10:50
Just as a data point, I have a Fluke 79 Series II DMM which has AC voltage and current ranges. According to the user manual, these are guaranteed accurate to +/- 1% from 45 Hz to 1 kHz and are typically within +/- 1.5 dB up to 20 kHz.
Roon (Mac Mini), Wilson Benesch Full Circle, Expert 1000 Pro CI, Kaiser Chiara
Warwickshire, UK