Duratool D03144 Schnellstart-Handbuch - Seite 6
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The built-in buzzer will sound
if the resistance is less than
CAPACITANCE
Range
Resolution
2nF
20nF
200nF
2µF
20µF
FREQUENCY
Range
Resolution
2kHz
20kHz
OPERATION - MEASURING VOLTAGE
•
Connect the black test lead to the "COM" jack and the red lead to the "VΩ" jack.
Set the function switch to the desired range: V~ or V
•
•
If the voltage magnitude to be measured is unknown beforehand, select the
highest range.
•
Connect the test leads across the source or load to be measured.
•
Read the LCD. The polarity of the red lead connection will be indicated when
making a DC measurement.
Note: In a small range, the meter may display an unstable reading when the test leads
have not been connected to the load to be measured. This is normal and will not affect
the measurements.
When the meter shows the overrange symbol "1", a higher range must be selected.
To avoid damage to the meter, don't measure a voltage that exceeds 600V DC or 600V
AC.
MEASURING CURRENT
•
Connect the black test lead to the "COM" jack. If the current to be measured is less
than 200mA for D03144, or less than 2A for D03143, connect the red test lead to
the "mA"/"A" jack.
•
If the current is between 200mA/2A and 10A, connect the red test lead to the "10A"
jack instead.
•
Set the function switch to the desired A~ or A
•
If the current magnitude to be measured is unknown beforehand, set the ranges
switch to the highest range position and then reduce it range by range until the
desired resolution is obtained.
•
Connect the test leads in series with the circuit to be measured.
•
Read the display. For DC current measurement, the polarity of the red test lead
about 30 ± 20Ω
1pF
10pF
100pF
± (4.0% of rdg + 5 digits)
1nF
10nF
1Hz
± (3.0% of rdg + 5 digits)
10Hz
Open circuit
voltage: about 2.8V
Accuracy
Accuracy
6
• Overload protection:
F0.5A/600V fuse.
• Overload protect: 250V DC/
AC rms.
•
Overload protect: 250V
DC/AC rms.
.
range.