BENCH MODEL MULTIMETER
Logic Frequency/Duty cycle Measurement
The measurement frequency up to 220MHz
（
Vpp 3V
）
,duty cycle range is of 10%
～
90%
To perform the measurement:
1. Turn rotary switch to Hz position
，
LCD panel displays‘Hz’;
2. Connect red test lead with VΩHz terminal and black test lead with COM terminal;
3. Connect test leads to measuring circuit;
4. Pressing Hz button to toggle between
frequency and duty cycle measurement;
5. The function and measurement are displayed.
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