Fluke 9102S, Руководство пользователя

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9102S
User’s Guide
26
Compute DELTA
E = R
3
– R
2
F = R
2
– R
1
T
1-3
- Measured temperature using the reference thermometer.
R
1-3
- Value of set-point resistance from the display. (Press SET and
d
at the same time.)
where
T
1
and R
1
are the measured temperature and set-point resistance at 2.0 °C
T
2
and R
2
are the measured temperature and set-point resistance at 50.0 °C
T
3
and R
3
are the measured temperature and set-point resistance at 100.0 °C
A T T
= −
3 2
B T T
= −
2 1
C
T T T T
= ⎡
⎣⎢
⎤
⎦⎥
−
⎡
⎣⎢ ⎤
⎦⎥
− ⎡
⎣⎢
⎤
⎦⎥
−
⎡
⎣⎢ ⎤
⎦⎥
3 3 2 2
100
1
100 100
1
100
D
T T T T
= ⎡
⎣⎢
⎤
⎦⎥
−
⎡
⎣⎢ ⎤
⎦⎥
− ⎡
⎣⎢
⎤
⎦⎥
−
⎡
⎣⎢ ⎤
⎦⎥
2 2 1 1
100
1
100 100
1
100
delta
AF BE
DE CF