GE PT878GC Manual De Usuario
Servicing the PT878GC
9-7
April 2004
Measuring Pipe Wall Thickness
Entering the Material and Sound Speed
IMPORTANT: GE Panametrics recommends calibrating the
thickness gauge periodically (as discussed on
page 9-12) before measuring thickness.
page 9-12) before measuring thickness.
To enter the Thickness Gauge Display option, scroll to the
T-Gauge Display entry on the Service Menu and press
T-Gauge Display entry on the Service Menu and press
[ENTER]
.
The screen appears similar to Figure 9-5 below.
Figure 9-5: The 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.
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