G PHYSICS
G01 MEASURING; TESTING
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R19/00 Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R19/25 using digital measurement techniques
G01R19/2506 Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values; ; Details concerning sampling, digitizing or waveform capturing