4
3) OPERATION
DCV, ACV & Line Frequency functions
Hold down the Hz button for one second or more to activate or to exit Hz.
Note:
*Input sensitivity varies automatically with function range selected before
activating the Hz function. 6V function range has the highest and the 1000V
range has the lowest. It is recommended to first measure the signal voltage (or
current) level then activate the Hz function in that voltage (or current) range to
automatically set the most appropriate trigger level. You can also press the
RANGE
button momentarily to select another trigger level manually. If the Hz
reading becomes unstable, select lower sensitivity to avoid electrical noise. If
the reading shows zero, select higher sensitivity.
*Number of Bar-graph pointer is used to indicate input range (sensitivity)
selected. 1/2/3/4 pointers indicate 6/60/600/1000V, 6/10/-/-A, 60/600/-/-mA or
600/6000/-/-uA is selected in corresponding V, A, mA or uA function
respectively. ( “-” means range not available)
*The
Hz
of
mV
function is designed specially for logic level (3V or 5V family)
frequency measurement.
