Mastech MS8040 - DC A;AC A measurement

Replacing the Power Fuse
4. The function and measurement are displayed, it will display ‘OL’ if the measuring temperature is higher than
1300℃ or lower than -30℃.
DCμA / AcμA measurement
The Meter is capable of measuring current from 0.01μA
～
2200μA
To perform the measurement:
1. Turn rotary switch to position
，
LCD panel displays‘DC’; press FUNC button when measuring AC
Current, and LCD display ‘AC’;
2. Connect red test lead with μA/m A terminal and black test lead with COM terminal;
3. Turn off the power of the measured circuit, connect the red and black probes to the measured circuit in serial way
and then turn on the power of the measured circuit;
20