GE General Electric Oxygen Equipment PT878 Benutzerhandbuch

Chapter 8. Servicing the PT878

162

Transport® Model PT878 Portable Liquid Flowmeter User’s Manual

To measure the actual thickness of a pipe, hold the calibrated transducer 
steady, 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 109 below).

Refer to Appendix D, Ultrasonic Thickness Gauge Theory of 
Operation, page 251, to learn how to position and align the 
transducer.

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

Cancel

OK

Velocity

Graph

Zero

Thickness, mm

Material