How To Measure Ac And Dc Current Using Multimeter. DCAC Current Measurement using Digital Multimeter Connect the negative probe lead black color probe to the COM jack and the positive probe lead red color probe to either very low mA or µA or very high current range A jack depending on the higher range of the current being measured. Image showing multimeter set to DCA region.
To measure DC current the black Probe should be placed in COM slot and the red probe should be placed in the A slot as shown in the picture below. Use the selector knob or button to choose the expected measurement. Turn the dial to the proper function either A ac or A dc.
Connect the testing leads to the current measurement setting.
Turn the dial to DC Current DC with straight light and 3 dots on top of it. Most multimeters power up in Autorange mode. Image showing multimeter probes connected to LED circuit for measuring current. Turn the dial to DC Current DC with straight light and 3 dots on top of it.
