CCTV tester PRO
User
’
s Manual
Page.22
.
b. Press
to select
A
, enter the DC current measurement. Manual range by press
, only manual range supply.
Manual range
：
0.000mA
6.6mA range
00.00mA
66mA range
000.0mA
660mA range
00.00A
10A range
（
use 10A socket
）
c. Connect test leads in series with the load under measurement.
d. You can get reading from LCD. The polarity of the red lead connection will be indicated along with
the voltage value.
NOTE:
When only the figure “OL” is displayed, it indicates overrange situation and the higher range has
to be selected.
When the value scale to be measured is unknown beforehand, set the range selector at the highest
position.
The maximum current of mA socket is 660mA, over-current will destroy the fuse, and will damage
the meter.
The maximum current of 10A socket is 10A, over-current will destroy the meter, and will damage
the operator.
D. AC Current Measuring
a. Connect the black test lead to the COM jack and the red test lead to the mA jack for a
maximum of 660mA current. For a maximum of 10A, move the red lead to the 10A jack.
b. Press
to select
A
~
, enter the AC current measurement. Manual range by press
, only manual range supply.
WARNING!
Shut down the power of the tested circuit, then connect the meter with the circuit for
measurement.
