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DIGITAL MULTIMETER
OPERATING INSTRUCTION
4.11.5 You can get reading from LCD. The polarity of red test
lead will be indicated.
NOTE:
• When only the figure ‘OL’ is displayed, it indicates
overrange situation and the higher range has to be
selected.
• When the value scale to be measured is unknown
beforehand, set the range selector at the highest position.
• ‘ ’ means the socket of INPUT maximum current is
200mA, over current will destroy the fuse. 10A’s maximum
current is 10A, no fuse protection.
4.12 MEASURING AC CURRENT
WARNING
Shut down the power of the tested circuit, then
connect the meter with the circuit for measurement.
4.12.1 Connect the black test lead to the COM jack and the
red test lead to the INPUT jack for a maximum of 200mA
current. For a maximum of 10A, move the red lead to
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