Accuracy & Repeatability - Fluke 9116A User Manual

9116A Furnace
User's Guide
10.1.2
72
−
R a R a
=
2 1 1 2
rzero
−
a a
1 2
−
R R
=
1 2
alpha
−
R a R a
2 1 1 2
T - Measured temperature using thermometer.
1-2
R - Value of R from display of furnace (Press SET and DOWN at the same
1-2
time.)
where
T and R are the measured temperature and resistance at 800.0 °C
1 1
T and R are the measured temperature and resistance at 1060.0 °C
2 2
5. Program the new values for R
instrument.
Accuracy & Repeatability
1. Check the accuracy of the calibrator at various points over the calibrated
range.
2. If calibrator does not pass specification at all set-points, repeat the Calibra-
tion Procedure.
(rzero) and ALPHA (alpha) into the
0