Chapter 8. Servicing the PT878
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual 171
8.5 Programming the Thickness Gauge (cont.)
Figure 115: Thickness Gauge Programming Window
1. Press the [T] arrow key to enter the window.
2. The first prompt asks for the low signal threshold. If the signal strength
falls below this value, a “Low Signal” message appears on the screen.
To change this value:
a. Press [ENTER] to open the text box.
b. Use the numeric keys to enter the desired value.
c. Press [ENTER] to confirm your entry.
3. The next value, transducer delay, represents the time the ultrasonic
signal takes to travel from the meter to the pipe material surface. To
change this value:
a. Press [ENTER] to open the text box.
b. Use the numeric keys to enter the desired value.
c. Press [ENTER] to confirm your entry.
Thickness Gauge Setup
Cancel OK
Low Signal Thresh 0%
Transducer Delay 0
Signal Inversion
Noise Threshold
On Off
0
Detection Threshold
%
0%
µs
Programming