Accuracy & Repeatability - Fluke 7103 User Manual

y
beta
Where t and r are the measured temperature and resistance at –25°C and alpha, rzero,
and delta are the new values of R0, ALPHA, and DELTA calculated above.
1.
2.
3.
4.
12.2.4 Accuracy & Repeatability
Check the accuracy of the instrument at various points over the calibrated range. If
the instrument does not pass specification at all set-points, repeat the Calibration
Procedure.
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T
1
100
1 t
3
alpha x y x y
Program the new values for DELTA (delta), R0 (rzero), ALPHA (alpha), and
BETA (beta) into the Micro-Bath with the following steps.
Display R0 by pressing the "SET" and "EXIT" keys simultaneously. Then press
the "UP" key until "CAL" is displayed. Press "SET" five times until "R0" is
displayed.
Press "SET" then use the "UP" or "DOWN" keys until the correct nu merical
setting is displayed. Press "SET" to accept the new value.
Repeat step 2 for ALPHA, DELTA, and BETA.
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R
1
delta
rzero
2
3
y
alpha x y
Calibration Procedure
Calibration Procedure
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