Generic Measurements
LOGIQ 7 Basic User Manual 7-89
Direction 2392206-100 Rev. 1
Max Pressure Gradient (PG)
To measure Max PG:
1. From the Doppler Generic Touch Panel, select Max PG.
The system displays an active caliper with vertical and
horizontal dotted lines.
2. To position the caliper at the first pressure gradient point,
move the Trackball.
3. To fix the measure point, press Set.
The system displays a second active caliper.
4. To position the second caliper at second pressure gradient
point, move the Trackball.
5. To complete the measurement, press Set.
The system displays the two V
max
measurements and the
Max PG in the Results Window.
Set the first caliper on V
max
and the second on V
d
.
Automatic
Calculation of
Max PG
When you select Max PG, if you previously measured and
calculated velocity in Doppler Mode, the system automatically
calculates Max PG from the V
max
and V
d
measurements taken
for velocity.
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