
February 2009
1-12
Programming Site Data
Entering Pipe
Parameters (cont.)
Figure 1-11: Pipe Option Window
2.
For pipe diameter, two alternatives are available. The meter asks
for the pipe outside diameter (
OD
) and wall thickness (
Wall
). But if
you have selected certain pipe materials (carbon or stainless steel,
cast iron, PVC and CPVC), you have the option of entering the
pipe dimensions by a standardized schedule. Once you enter the
nominal pipe size (
Nominal
) and identification (
Schedule
), the
CTF878 determines the OD and wall thickness from an internal
table.
If you want to use the diameter alternative (available for all
materials):
a.
You must select from two choices, outside diameter or
circumference.
•
The prompt moves to the outside diameter (
OD
)
text box.
Type the OD (in mm or in., whichever is displayed) into the
box, and press
[ENTER]
to confirm your choice,
or
•
Move the prompt to the circumference (
ODxPI
)
text box. Type
the circumference (in mm or in., whichever is displayed) into
the text box, and press
[ENTER]
to confirm the choice.
b.
In either case, the next prompt asks for the wall thickness. Type
the value (in mm or in., whichever is displayed) into the box,
and press
[ENTER]
to confirm your choice.
Note:
The measurement units shown depend on the choices made in
the English/Metric window or the Meter Settings menu. You
can, however, change the measurement units in any text box by
moving to that box and pressing the F1 key.
Pipe
Transducer/Pipe
Pipe
Transducer
Fluid Path
Other
Material
OK
Cancel
OD, mm
15.71
ODxPI, mm
Wall, mm
2
Pipe
English
Sound Speed
600
m/s
Transducer/Pipe
5
Содержание CTF878
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Страница 2: ...GE Sensing Model CTF878 Clamp On Tag Flowmeter Programming Manual 910 254PA4 February 2009 ...
Страница 7: ...Chapter 1 ...
Страница 47: ...Chapter 2 ...
Страница 59: ...Chapter 3 ...
Страница 60: ...Creating and Managing Sites Introduction 3 1 Site Manager 3 2 ...
Страница 73: ...Chapter 4 ...
Страница 89: ...Chapter 5 ...