Micro Motion RFT9709 Instrukcja Obsługi Strona 98

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84
Using ProLink
®
Software with Micro Motion
®
Transmitters
Configure Menu: Characterize
continued
Temperature factor for RFT9739
8. Using the values determined above, calculate slope and offset from
both temperature measurement points according to the following
formulas:
W
here:
A
= Slope of linear output indicating temperature
B
= Offset of linear output indicating temperature
T
1
= Reference temperature of low-temperature process fluid
T
2
= Temperature indicated in the ProLink window when flow
tubes contain the low-temperature process fluid
T
3
= Reference temperature of high-temperature process fluid
T
4
= Temperature indicated in the ProLink window when flow tubes
contain the high-temperature process fluid
9. Enter the temperature calibration factor into the TempCal text box.
The first six digits and decimal point are the value A, determined in
step 8, above. The next character is "T", the placeholder. The last five
digits and decimal point are the value B, determined in step 8, above.
An example is shown below.
AT
3
T
1
()/
T
4
T
2
()
=
BT
1
AT
2
()
T
3
AT
4
()
==
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