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 discuss ed on
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 [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