Programming instructions

9
Inrush Current Measurement
To perform an inrush current measurement, select Inrush Current in the Tests
menu. The test uses the parameters that you enter in the following dialog box.
This box is displayed on the screen when the test is first selected.
You can use the transient editor to make any final adjustments to the inrush
current measurement such as fine tuning the width of the transient step, or
positioning and enabling the measurement trigger.
When measurements are enabled, you can view the inrush measurement in the
Main window. If necessary, move the Transient editor out of the way to see the
Main window. The following figure shows a sample inrush current measurement.
Enter a turn-on
phase angle.
Output voltage
starts at 0 Vac.
Click here to continue.
This displays the
Output Transient
Editor. (see below)
Output goes to
120 Vac @ 90°
phase angle.
(Drag point to
ad
j
ust am
p
litude.
)
Check to enable
measurement
tri
gg
er.
Enter a Final
Line Voltage
value
Start of output
measurement
View the
inrush
current.
Click to start
sample test.