RedHandScope60MHz
Handheld DSO & DMM
6-Using the Multimeter
33
figure 28: DC Current Measurement for 20A
6.4.8 Making an AC Current Measurement
To measure an AC current which is less than 400 mA, do the following:
1.
Press the
A
key and
DCA
appears at the top of the screen. The unit on the main reading
screen is
mA. mA
and
20A
will display on the right bottom of screen, press F4 or F5 to
switch the measurement between
mA
and
20A
. 400mA is acquiescently.
2.
Press the
AUTO SET
key once and ACA is visible at the top of the screen..
3.
Insert the black lead into the
COM
banana jack input and the red lead into the
mA
banana
jack input.
4.
Connect the red and black leads to the measured point and the
AC
current value of the
measured point will be displayed on the screen.
Refer to figure 29
