GE General Electric Oxygen Equipment PT878 Benutzerhandbuch

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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)