How To Measure Dc Current Draw With A Clamp Multimeter. Connect the Multimeter Plug the black probe into the common COM jack input of the multimeter and the red probe into the amps usually A jack input. Many clamp multimeters can only measure AC current as they just use what is called a current transformer.
If you have any doubt consult the documentation for your meter. Use the lever to open the jaw of the clamp meter and the place the conductor you wish to measure in between the jaws. Most Clamp meter is can only measure AC.
For experienced technicians you can use your left hand to hold the clamp meter and the right hand for noting down measurements.
When using a multimeter to measure current the only way that can be used to detect the level of current flowing is to break into the circuit so that the current passes through the meter. Can one measure DC current using the clamps of a clamp multimeter with knob set to DC current. A simple circuit in which to measure current. Many clamp multimeters can only measure AC current as they just use what is called a current transformer.
