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April 2008
Numer Option = [F2]
Set Number
Slope Number
Procedure Options
1-10
The Numer option allows the user to calculate the temperature vs.
resistance information. To do this, the user must first collect data
using the RTDs option in the PRINT menu (discussed in Chapter 5 of
the Programming Manual). The RTDs option allows you to know
what point value the GC868 is reading at a given temperature. With
this information, the Numer option enables you to enter the Set
Temperature and the slope of the RTD input in points/degree,
allowing absolute control over RTD calibration. Before attempting
this step, follow the instructions in Chapter 5 of the Programming
Manual ("The RTDs Submenu") to obtain point values at your set
point and slope point.
[F1]
1. Press
to select Input A, or
[F1]
2. Press
to enter the set number (formerly known as the zero
point).
3. Enter the set point temperature, and press
4. The program then asks for the set point number. Enter the points
measured at the set temperature, and press
[F2]
5. Press
to enter the slope number. Calculate the slope number
with the formula:
Slope
=
6. Enter the RTD slope number and press
You have completed calibration of the RTD input. Do one of the
following:
•
To calibrate another input, press
•
To calibrate additional slots, press
proceed to the appropriate section.
•
To leave the Calibration Menu, press
[F2]
to select Input B.
[ENT].
[ENT].
Slope point set point
–
----------------------------------------------------- -
slope temp set temp
–
[ENT].
[EXIT].
[EXIT]
and then
[F4] (EXIT)
(1-1)
[F4] (EXIT)
and
twice.
Calibration
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