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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