OPERATION
DCV (ACV) Measurement
1. Plug red test lead to "V
Ω
mA" jack, and black test lead to
"COM" jack.
2. Turn the function/range selector to "DCV" or "ACV" region.
(If measuring an unknown voltage, start from the highest
range then adjust to a proper lower range for the best
resolution.)
3. Connect the other ends of the test leads to the desired
circuit.
4. Get the reading from the LCD.
DCA Measurement
1. Plug red test lead to "V
Ω
mA" jack (if measuring a current
between 200mA and 10A, plug to "10A" jack instead), and
black test lead to "COM" jack.
2. Turn the function/range selector to "DCA" region. (If
measuring an unknown current, start from the highest range
then adjust to a proper lower range for the best resolution.)
3. Connect the other ends of the test leads in series with the
desired circuit.
4. Get the reading from the LCD.
Resistance Measurement
1. Plug red test lead to "V
Ω
mA" jack, and black test lead to
"COM" jack.
2. Turn the function/range selector to "
Ω
" region (if measuring
an unknown resistance, start from the highest range, then
adjust to a proper lower range for the best resolution).
3. Connect the other ends of the test leads to the desired
resistor.
4. Get the reading from the LCD.
Diode (
Measurement
1. Plug red test lead to "V
Ω
mA" jack, and black test lead to
"COM" jack.
2. Turn the function/range selector to "
3. Connect the other end of red test lead to the positive pole
(P) of the diode, and the other end of the black test lead to
the negative pole (N).
4. Get the reading from the LCD. (If connection to poles of
diode is reverse, LCD would display "I".)
Continuity
x
Measurement
1. Plug red test lead to "V
Ω
mA" jack, and black test lead to
"COM" jack.
2. Turn the function/range selector to "
x
" range.
3. Connect the other ends of the test leads to the desired
resistor.
4. Get the reading from the LCD.
hFE
Measurement (for Transistor)
1. Turn the function/range selector to "hFE" (NPN or PNP)
region.
2. Insert the transistor pins into "hFE" jack according to E.B.C.
sequence.
3. Get the reading from the LCD.
LED Test
1. Turn the function/range selector to "NPN/LED" range.
2. Insert the LED into the measuring jack according to the "+" "-
" position, and a normal LED will be bright.
3. This function is used only to judge a LED rated 15V~3V for
its brightness or not. The reading on LCD means nothing.
MAINTENANCE
WARNING: Remove test leads before changing battery or
fuse or performing any servicing.
Battery Replacement
Power is supplied by a 9 volt "transistor" battery (006P DC9V).
The "
" shown on the LCD indicates that replacement is
needed. When replacing, remove the two screws from the back
of the meter and lift off the rear case. Remove the battery from
the case on bottom.
Fuse Replacement
If no current measurements are possible, check for a blown
overload protection fuse. Replace the fuse with the original type
0.5A/250V, fast acting type.
