Duratool D03125 Snelstarthandleiding - Pagina 6
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Range
•
Overload protection: 250V DC or RMS. AC.
Range
Resolution
°C
OPERATION
•
Plug the instrument in and check the 9V battery. If it is low the "
symbol will display, meaning the battery needs replacing.
•
The
besides the probe jack indicates that the input voltage or current
!
should not exceed the specified limits, in orderto protect the internal
circuit.
•
Before measurement, turn the function/range switch to the desired range.
Direct Voltage Measurement
•
Insert the red probe into the "VΩmA" jack and the black one into the COM
jack.
•
Turn the function/range switch to the range of V
to the power supply or load to be measured. The polarity touched by the
red probe will be on the display.
Notice
•
If you do not know the measured voltage range in advance, set the
function/range switch to the maxium range and then gradually turn to
smaller ranges until you reach a satisfactory resolution.
•
If the display shows " 1 ", this indicates an overrange measurement,
therefore the switch should be set to a higher range.
•
Do not input a voltage of more than 600V. It is capable of indicating a
higher voltage, but with the risk of damaging the inside circuit.
•
When taking the measurement of high voltage, pay special attention to
avoid an electric shock.
Diode and Circuit On-Off Measurement
Description
When the on-resistance is smaller than (70±30)
built-in buzzer will sound.
Displays the approximate diode postive voltage.
Temperature Measurement
Measurement
-20°C to 0°C
1°C
-0°C to 400°C
400°C to 1000°C
±10% Range, ±2 digits
±1.0% Range, ±3 digits
±2.0% Range
6
Ω, the
Accuracy
"
+ -
and connect the probe