GE TransPort PT878GC User Manual page 115

Portable gas flowmeter
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Entering Reynolds Correction (cont.)
b. Press
[ENTER]
Note: If you disable Reynolds Correction, you will not be able to
enter any other values in this window.
2. If you enable Reynolds Correction, you will also need to enter
the Kinematic Viscosity of the gas (available in the brochure
Sound Speeds and Pipe Size Data, 914-004). The next prompt
asks if you wish to enter the Kinematic Viscosity as a single
number, or as a table of values.
a. Use the [ ] and [ ] keys to scroll to the appropriate
radio button.
b. Press
[ENTER]
3. The following steps depend on whether you select a single
value or a table for Kinematic Viscosity.
If you entered Single:
The prompt asks for a kinematic viscosity value.
a. Press
[ENTER]
b. Use the numeric keys to enter the known value (from
Sound Speeds and Pipe Size Data).
c. Press
[ENTER]
You have completed entering data for a single Kinematic
Viscosity factor.
If you entered Table:
The menu asks, first for the data source, and then for the entry of
values into the Reynolds Correction table. This procedure allows
the PT878GC to estimate Kinematic Viscosity from other
measurements, such as signal strength.
a. Press
[ENTER]
Measurement window (Figure 4-19 on page 4-40) appears.
Programming Site Data
to confirm your selection.
to confirm your selection.
to open the text box.
to confirm your selection.
to open the Data Source window. The Select
April 2009
4-51

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