OS Series Handheld DSO & DMM
To measure an AC current which is larger than 400 mA, do the following:
1.
Press the A key, an instruction prompt you to plug the multimeter test leads in the right
position. After check, press any key to enter into multimeter measure and DCA appears at the
top of the screen. The unit on the main reading screen is mA.
2.
Press the SET key once and ACA is visible at the top of the screen.
3.
Press F5 to select 10A measure, the unit of main reading window is A.
4.
Insert the black lead into the COM banana jack input and the red lead into the 10A banana
jack input.
5.
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.
6.
Press F4 return to 400mA measure.
Look at the display, you can see a screen that looks like the following figure 30.
7.5 Freezing the Readings
You can freeze the displayed readings at any time.
1.
Press the RUN /STOP key to freeze the screen and STOP will be displayed at the top right
of the screen.
2.
Again, press the RUN /STOP key, you can resume your measurement.
Look at the display; you can see a screen that looks like the following figure 31.
Figure 30: AC Current Measurement for 10A
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7-Using the Multimeter