GE General Electric Oxygen Equipment PT878 Benutzerhandbuch
Chapter 8. Servicing the PT878
160
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
8.4 Measuring Pipe Wall Thickness
8.4.1 Entering the Material and Soundspeed
IMPORTANT:
The factory recommends calibrating the thickness gauge
periodically (as discussed on page 165) before measuring
thickness.
periodically (as discussed on page 165) before measuring
thickness.
To enter the Thickness Gauge Display option, scroll to the T-Gauge Display
entry on the Service Menu and press
entry on the Service Menu and press
[ENTER]
. The screen appears similar
to Figure 108 below.
Figure 108: Material Window
1.
From the Thickness Gauge Display option, press the [
X
] arrow key
four times to enter the Material window.
2.
The first prompt asks you to select the material for the pipe wall you
wish to measure from a drop-down list.
wish to measure from a drop-down list.
a.
Press
[ENTER]
to open the list.
b.
Use the [
T
] or [
S
] arrow keys to scroll to the desired material.
c.
Press
[ENTER]
to confirm your selection.
Thickness Gauge Measure
Cancel
OK
Material
Display
Graph
Velocity
Zero
Sound Speed
m/sec
0
Material
Other