CABAC T8211D Operation Manual - page 6
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6
3.2.
6
DC
Current
Range
Resolution
Accuracy
20m
A
0.
0
1m
A
200
m
A
0. 1 m
A
±
(
1.5
% of rdg +
3
digits
)
-
Overload Protection:
Resettable fuse
.
3.2.
7
AC
Current
Range
Resolution
Accuracy
20m
A
0.
0
1m
A
200
m
A
0. 1 m
A
±
(
2.0
% of rdg +
3
digits
)
-
Overload Protection:
Resettable fuse
.
-
Frequency Range: 40
Hz
-
200
Hz
-
Response: Average, calibrated in rms of sine wave
3.2.
8 Logic Test
Range
Description
Logic
0V
1.5V
3.5V
5V
Low "0"
High "1"
Green
LED on
Green, Red
LED off
Red LED
on
-
Input Impedance:
approx.
1MΩ
-
Overload Protection: 250V DC or rms AC
4. OPERATING INSTRUCTION
4.1
DATA HOLD
If you need data hold when measuring, you can put on “
DATA
-
H
” button, it will hold the reading; if you put the button again,
data hold is not continue.
4.2
MAXIMUM VALUE MEASURING AND HOLD
At the range of voltage, you can put on “
MAX.H
” button, it will hold the maximum value; if you put the button again, the
maximum value will not be held.
4.3
FUNCTION TRANSFORM
Put down the "
FUNC.
"
button
when measuring the voltage. Meter will be transformed between DC and AC range.
Put "
FUNC.
"
button
when measuring the resistance, diode and continuity, meter will transform among them.
4.4
RANGE TRANSFORM
The auto range is used when measuring the voltage and resistance. Put down the "
RANGE
"
button
if the manual range is
needed. Each time you put down, range will go upward; the minimum range is transformed if "
RANGE
" button
is put down at
the maximum range. If the "
RANGE
" button
is put down more than two seconds, auto range is used again.
4.5
AUTO POWER OFF
If there’s no any operation within fifteen minutes after power is on, meter will auto power off with five short sounds and a long
sound in a minute.
After auto power off, if stir the transform switch or put down any button of “
FUNC.
”, ”
MAX.H
”, ”
RANGE
”, meter will recover
the working condition.
If presses the “
DATA
-
H
” button
when power is on, auto power off disable.
In sleep mode, the auto power off function
will be
cancelled if presses the
“
DATA
-
H
”
button
to wake the meter.
4.6
PREPARATION FOR MEASUREMENT
4.6.1 Set the transform switch to the right range. At the manual range, when the value scale to be measured is unknown
beforehand, select the highest range.
4.6.2 When measuring, at first, connect to the public (COM) testing line, then connect the probe tip of the meter to the circuit
under test.
4.6.3 If the battery voltage is less than 2.4V, display will show “
”, the battery should be changed at this time.