Fluke 189 User Manual

Page 63

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Making Measurements

Measuring Pulse Width

3

3-27

The meter measures pulse width in the 500.00 or
1000.0 ms ranges.

To measure pulse width, set up the meter to measure
frequency; then press

N

two more times. As with the

duty cycle function, you can select which level the meter
uses by pressing

[

to trigger on the positive slope or

]

to trigger on the negative slope. A typical pulse

width display is shown in Figure 3-18.

You can improve pulse width stability by selecting the
averaging feature. Press

M

until “AVG” appears in the

display.

tc028f.eps

Figure 3-18. Pulse Width Display

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