Version 2.1 7/09
8
Operation
Connect the red test lead to the “+” jack and the black test lead to the “-” jack.
1. Press
Power button to turn on the tester.
2. Connect the red test probe to the positive battery terminal, and the black test probe to
the negative battery terminal.
3. Use the V-RANGE and
Ω
-RANGE buttons to select the desired voltage and resistance
ranges.
4. Read the battery internal resistance and DC voltage directly from the display.
Note : When the measured DC voltage or battery internal resistance value is over range,
“
OL
” is displayed.
When the AC test current faults,
“- - - -”
will be displayed.
REL Zero Adjust
The
REL
function zeros the selected range of resistance and voltage. The reading
displayed when the REL button is pressed will be taken as zero and will be used to
calibrate subsequent measurements.
1. Short the 4 tips of red and black test leads probe terminals.
2. Press
REL
button. The display shows
R
, then the resistance and voltage value is zero,
connect the test leads probe to the battery to be tested.
3. The zero adjustment is valid only for the currently selected range, as long as the power
remains on.
