Measuring Frequency / Duty Cycle - Amprobe AM-540 Mode D'emploi

Note: The Meter goes into manual mode when Low Pass Filter mode is
enabled. Auto range mode is not available for Low Pass Filter option.

Measuring Frequency / Duty Cycle

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To avoid personal injury or damage to the Meter, do not apply
voltage higher than 1000V.
1. Frequency / Duty Cycle function
Step 1: Turn the rotary switch to Hz % position. Use SELECT button for Hz
or duty cycle measurement.
Step 2: Connect test leads to the circuit. Connecting diagram see below.
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