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28 II Ex
Users Manual
How to Determine Pulse Width
For a periodic waveform (its pattern repeats at equal time
intervals), you can find the time that the signal is high or
low as follows:
1.
Measure the signal's frequency.
2.
Push G a second time to measure the signal's
duty cycle. Push E to select a measurement of
the signal's positive or negative pulse, refer to
Figure 9.
3.
Use this formula to find the pulse width:
Pulse Width
=
(in seconds)
34
% Duty Cycle
100
Frequency
HiRes Mode
On the Product, push H for one second to enter the high-
resolution (HiRes) 4-1/2 digit mode. Measurements are
shown at 10 times the usual resolution with a maximum
display of 19,999 counts. The HiRes mode works in all
modes but capacitance, frequency counter functions,
temperature, and the 250 s (peak) MIN MAX modes.
To go to to the 3-1/2 digit mode, push H for one second.
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