73
Duty Cy cle M easur ement
The duty cycle me asure ment range is 0.1 % ~ 99.9 %.
To measur e duty cycle:
7. Set up the Meter to me asure frequency.
8. To select duty cycle, p ress
Hz
ag ain (or until the % sy mbol is shown on the display).
9. Connect the test le ads a cross with the obj ect b eing me asured.
The me asured valu e shows on the display.
Note
l
The LCD displays 000.0% indic ating the input signal is high o r low level .
l
To obtain a stable r eading when measuring:
Input scope >30V rms & < 1kH z frequ ency signal:
Set the rotary switch to
H z
V
,
µ
A Hz, mA
Hz
or
Hz A
.
Then pr ess
H z%
to sel ect Hz measur ement mod e to obtain frequen cy v alue.
Input scope <30 V rms frequency signal:
Follow the above step 2 c ar rying out the me asure ment .
l
When duty cycl e me asure ment has been co mpleted , dis connect the conne ction between the testing le ads and the
circuit unde r t est.
Summary of Contents for DM-60 A
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