CABAC T8211D Manual de operação - Página 9
Procurar online ou descarregar pdf Manual de operação para Multímetro CABAC T8211D. CABAC T8211D 11 páginas. Pen type digital multimeter
Imprimir página4.12 MEASURING DC CURRENT
Risk of Electrocution.
To avoid damage to the Meter or injury if the fuse blows, never attempt an in-circuit current
measurement where the open-circuit potential to earth is greater than 250V.
4.12.1 Rotate the probe socket clockwise to spin out the probe from the meter.
4.12.2 Insert the black test lead or test clip in the COM jack.
4.12.3 Set the transform switch at the mA
4.12.4 Press the "FUNC." button to transform to DC measurement. Auto range and manual range can be transformed by
pressing the "RANGE" button.
4.12.5 Connect the probe tip of the meter and probe tip of the test lead (or test clip) in series with the load in which the
current is to be measured.
4.12.6 You can get a reading from LCD display. The polarity of the tested terminal which the tip of the meter connection will
be indicated.
NOTE:
- At the manual range mode, when only the figure 'OL' is displayed, it indicates over-range situation and the higher range
has to be selected.
4.13 MEASURING AC CURRENT
Risk of Electrocution.
To avoid damage to the Meter or injury if the fuse blows, never attempt an in-circuit current
measurement where the open-circuit potential to earth is greater than 250V.
4.13.1 Rotate the probe socket clockwise to spin out the probe from the meter.
4.13.2 Insert the black test lead or test clip in the COM jack.
4.13.3 Set the transform switch at the mA
4.13.4 Press the "FUNC." button to transform to AC measurement. Auto range and manual range can be transformed by
putting the "RANGE" button.
4.13.5 Connect the probe tip of the meter and probe tip of the test lead (or test clip) in series with the load in which the
current is to be measured.
4.13.6 You can get reading from LCD display.
NOTE:
- At the manual range mode, when only the figure 'OL' is displayed, it indicates over-range situation and the higher range
has to be selected.
4.14 LOGIC TEST
Risk of Electrocution.
You can't input the voltage which is higher than 100V rms AC, it may damage the inner circuit or
cause electrical shock. Pay attention to avoid getting an electric shock when testing logic level.
4.14.1 Rotate the probe socket anti-clockwise to spin the probe into the meter.
4.14.2 Insert the black test clip in the COM jack.
4.14.3 Set the transform switch at the Logic range position.
4.14.4 Connect the black test clip to the GND(-) of the circuits being measured.
4.14.5 Keep pressing the "FUNC" button and Touch the tip to the testing object in the circuits being measured. And observe
the logic state indicated by LED light. (Red LED light expresses high level/logic "1" and green LED light expresses low
level/logic "0")
4.14.6 Also you can get reading and sign "
"
"expresses low level/logic "0").
NOTE:
- If the input open circuit (or the object's logic state is lower than 1.5V), the green LED will be lighted.
- You must keep pressing the "FUNC" button during the logic testing.
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WARNING
range position.
WARNING
range position.
WARNING
" or "
" from LCD display ("
" expresses high level/logic "1" and
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