30
MX670 / MX675
4.7
Measurement of voltage frequency
Position the switch on V
,
and press the DISPLAY key.
Connect the red test lead to
the "+" terminal and the black
test
lead
to
the "COM"
terminal.
Place the touch prods in
contact with the points whose
frequency is to be measured.
Read the frequency value on
the secondary display.
The main display indicates the
value of the measured TRMS
voltage.
4.8
Measurement of AC current frequency
1000
R
Position the switch
on A , and
press
the
DISPLAY
key.
Open the jaws by pressing the
trigger. Position the clamp around
the conductor to be measured.
Release the trigger. Check that
the clamp is properly closed.
Read
the
result
of
the
measurement on the secondary
display.
The main display indicates the
value of the measured TRMS
current.
