Ac Voltage Measurement - Sofamel CTL-600 Manual De Instrucciones

4.8. AC Voltage Measurement

1） Connect the pen-shaped meter to the measured signal,
when the measured signal >=1.0V, will the main LCD of the
meter display current measuring AC voltage value, and the
vice LCD will display the frequency value of the voltage.
When measured signal is <1.0V, the meter will be default as
resistance value, displays the ohm of the measured signal.
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Operation Guide