Connecting The Test Leads
Remove the caps on the end of the test leads before plugging them
into the unit.
The black test lead should be
plugged into the black ‘COM’
port and is the reference ground
that the meter calculates
readings off.
The unit has 2 fuses rated for
different current loads protecting
each respective port. For most
applications, the red test lead
should be plugged into the red
‘VmAΩ’ port.
However when measuring
circuits with a current close to or
more than 200mA, the red test
lead should be plugged into the
blue ‘10A’ port.
Note:
The red and black test leads are identical and can be
interchanged. It will just be more difficult to determine current flow
direction and which is the ‘common’ probe during use.
Understanding The Display
The multimeter has a 3½ digit display, which means that the first 3
digits are full digits and can display any number between 0 and 9.
The 4th digit from the right is the ‘½’ digit and has 2 states, ‘0’ or ‘1’.
In practice, this means that when the mode dial is set to measure
in the 2V range the maximum value it can display is 1.999, or in the
200kΩ range, the maximum value is 199.9kΩ.
This also means that in the 300 VDC and 300 VAC mode, the display
will only show measurements between 1 and 300V. A measurement
of 0.9V or less will show up as a ‘000’ onscreen.
Finding The Measuring Range
The multimeter needs to be set to the lowest possible range in order
to reduce the amount of inaccuracy in the readings. If you are unsure
of the range to start off with, it is best to set the mode dial to the
highest range setting, take a measurement to obtain a ballpark figure,
and then use that figure to adjust the mode dial accordingly.
For example, if you are unsure of the voltage you are about to
measure, set the mode dial to 300 VDC. If the measurement shows
up as a ‘000’ onscreen, set the mode dial to ‘200 VDC’ and repeat
the measurement. If the display then shows a value such as ‘04.2’
you can adjust the mode dial to the 20 VDC setting and redo the
measurement. You could then obtain a more accurate reading such
as ‘4.26’ VDC.
If the display had shown ‘00.2’ in the 200 VDC setting, then you
would adjust the mode dial to the 2 VDC setting and perhaps even
the 200m VDC setting for increased accuracy.
A measurement with the mode dial in a range setting that is too low
will result in ‘OL’ being displayed onscreen.
2. CONTROLS
OPERATION
A
V
~
300
300
20
200
200
2
200m
Ω
OFF
200
200µ
20µ
2k
20k
200k
200m
20m
2m
2M
10A
VmA
Ω
V
10A
COM
A
V
~
300
300
20
200
200
2
200m
Ω
OFF
200
200µ
20µ
2k
20k
200k
200m
20m
2m
2M
10A
VmA
Ω
V
10A
COM
A
V
~
300
300
20
200
200
2
200m
Ω
OFF
200
200µ
20µ
2k
20k
200k
200m
20m
2m
2M
10A
VmA
Ω
V
10A
COM
A
V
~
300
300
20
200
200
2
200m
Ω
OFF
200
200µ
20µ
2k
20k
200k
200m
20m
2m
2M
10A
VmA
Ω
V
10A
COM
