Keysight U1241C Guide De Mise En Route page 18

Measuring voltage frequency
Measuring current frequency
Using a low pass frequency filter (
frequency measurements
The filter blocks unwanted frequency (~ 1 kHz)
while the multimeter continues measuring
voltage/current via the selected averaging sense
or true rms function.
18
MaxMin
Hz
MaxMin
Hz
MaxMin
Hz
Keysight U1241C/U1242C Quick Start Guide
) for