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AstroAI AM33D - Measuring AC Voltage

AstroAI AM33D
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Connect the test leads to the circuit under test (connect
the leads in parallel to the power supply or circuit under
test) to measure.
NOTE:
@ If the reading is negative when measuring the DC
voltage, it means that the positive and negative poles
of the test leads are reversed, please change the test
leads
After the reading stabilizes, record the reading from the LCD
screen
Turn the rotary switch to the OFF position to turn off the
MEASURING AC VOLTAGE:
Insert the red test lead into the " VQmASlr" terminal and the
black test lead into the "COM" terminal
Turn the rotary dial to the continuity test,
touch the red test lead and the black test
lead to check whether they are normal.
The buzzer will beep if the test leads are
normal
Turn the rotary dial to the "Vm" area with
a white font. The screen will display
"000" indicating that the measurement
function is DC voltage
-11-

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