True RMS Digital Multimeter
6-8.Battery Test
1. Insert the black test lead banana plug into the negative COM Input Jack; Insert the
red test lead banana plug into the Positive Input Jack.
2 .Select the 1.5V or 9V BAT Position using the function select switch.
3. Connect the red test lead to the positive side of the 1.5V or 9V battery and the black
test lead to the negative side of the 1.5V or 9V battery.
4. Read the voltage in the display.
9V battery
1.5V battery
20
Good
Weak
>8.2V
7.2 to 8.2V
>1.35V
1.22 to 1.35V
Bad
<7.2V
<1.22V