Servicing the PT878GC 9-9
April 2004

Measuring Thickness in Numeric Format

To measure the actual thickness of a pipe, apply couplant to the
calibrated thickness gauge transducer and hold the transducer
steady against the pipe. Then press the [W ] or [X] arrow key
until you reach the Display tab and press [ENTER]. The T-Gauge
Display option shows the thickness measurement in numeric
format (displayed in Figure 9-6 below).
Note: Refer to Appendix C, Ultrasonic Thickness Gauge Theory
of Operation, page C-3, to learn how to position and align
the transducer.
Figure 9-6: The Thickness Gauge Display Window
Be sure the “Noise” or “Los” (loss of signal) boxes do not appear .
Press [F2] (Cancel) or [F3] (OK) to return to Operate Mode, or
press the [X] arrow key to move to another window in the
option.
Display
Thickness Ga uge Measure
CancellOK
Velocity
Graph Zero
Thickness, mm

42.71

Material