Rishabh 410, User Manual

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13 Frequency & Duty Cycle Measurement
13.1 Frequency Measurement
Set the function selector switch to VAC and press Hz/%
key, as shown on page 20.
The frequency measurement mode is activated. “Hz” symbol
is displayed on the LCD. The digital display is expanded to
9999 digits. Only the auto mode is possible, no manual
range is possible.
13.2 Duty Cycle Measurement
With duty cycle measurement, we can determine the ratio
of pulse duration to cycle time of recurring square wave
signals. The duty cycle that is the percentage pulse duration
of signal is displayed on LCD i.e.
Duty cycle (%) =
pulse duration
cycle duration
X 100
Note : The applied frequency must remain constant during
the duty cycle measurement.
Set the function selector switch to VAC and press
Hz/% key twice as shown on page 20.
The Duty cycle (%) mode is activated. “%” symbol is
displayed on LCD.
15.
NOTE : Hz/% key is only applicable for VAC.
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