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⚫ Pay special attention to safety when measuring high
voltage to avoid electric shock or personal injury.
⚫ Test the known voltage with the meter before use,
confirm the instrument function is intact.
Note: when measuring AC current, press FUNC. button to
see frequency and duty cycle.
Frequency/Duty measurement
1) Turn the knob to "Hz%" and Switching Frequency or duty
function by "FUNC." key.
2) Insert the red probe in "
in "COM" socket。
3) Contact the probe to the measured circuit (connect to the
measured power supply or circuit in parallel), measure the
frequency of duty.
4) Read the measurement result on the screen.
WARNING
⚫ The voltage above 600V can't be measured; otherwise,
the instrument may be damaged.
⚫ Pay special attention to safety when measuring high
voltage to avoid electric shock or personal injury.
" socket insert the black probe
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