Micro Motion RFT9709 Manual de instrucciones Pagina 104

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90
Using ProLink
®
Software with Micro Motion
®
Transmitters
Configure Menu: Characterize
continued
Pressure compensation with RFT9739
Enter the new density calibration factor into the K2 text box in the
Characterize Sensor dialog box for an RFT9739
For an IFT9701, IFT9703, RFT9712, RFT9729, update the density
calibration factor.
Example:
Given:
An RFT9739 is connected to a D300 sensor with 316L stainless
steel flow tubes. The flowmeter indicates a density of 0.9958 grams per
cubic centimeter (g/cc), which has been corrected to 0.9980 g/cc. The
first five digits of the density calibration factor are 09615, and the
second five digits are 13333.
Problem:
Adjust the second five digits of the density calibration factor
to compensate for pressure.
Solution
:
The new K2 value is:
13325
K
2
new
13333
()
2
9615
()
2
[]
0.9958
0.9980
------------------ 9615
()
2
+
=
85,320,664 0.9978 92,448,225+
=
13325.9590=
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