OWON HDS Series Handheld DSO & DMM 7-Using the Multimeter
7.4.7 Making a DC Current Measurement
To measure a DC 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. Insert the black lead into the COM banana jack input and the red lead into the mA banana
jack input.
3. Connect the red and black leads to the measured points and the DC current values of
measured points will be displayed on the screen.
Look at the display, you can see a screen that looks like the following figure 27.
figure 27: DC Current Measurement for 400 mA
To measure a DC current which is larger 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..
2. Press F5 key change to 20A measurement, the unit on the main reading screen is A.
3. Plug current extended module in current measure jack, then plug the probe in the module
4. Connect the red and black leads to the measured point and the DC current value of the
measured point will be displayed on the screen.
5. Press F4 return to 400 mA measure.
Look at the display, you can see a screen that looks like the following figure 28.
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