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Chapter 3. Programming Site Data
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual 29
3.2.1 Parameters for Special Transducers (cont.)
Figure 14: Transducer Spacing Change Window
6. The PT878 must also take into account the wedge temperature.
a. From the Wedge Angle prompt, press the [T] key to reach the
Wedge Temperature prompt, and press
[ENTER].
b. Use the numeric keys to enter the wedge temperature (in degrees F
or C) and press
[ENTER].
7. Finally, the PT878 requires the wedge soundspeed.
a. From the Wedge Temp prompt, press the [T] key to reach the
Wedge SS prompt, and press
[ENTER].
b. Use the numeric keys to enter the factory-supplied wedge
soundspeed (in ft/sec or m/sec) and press
[ENTER].
Pressing the [T] key returns the meter to the Transducer tab at the top.
Transducer/Pipe
Cancel
OK
* * * WARNING * * *
Transducer Spacing has changed!
New Spacing:
0.964 inches ( 24.493 mm)