Hioki dt4212 - Page 74

Appx.2
RMS and Average
Measurement example True RMS Average rectifying
100 V sine wave 100 V 100 V
100 V square wave 100 V 111 V
Vm=Vavg=VrmsVavg Vrms
t
V(t)
Vm
V(t)
t
TT

Sine wave
Vm: Maximum value, Vavg: Average value, Vrms: RMS, T: Time period
Square wave