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7102 Micro-Bath User's Guide
Calibration Procedure
12.2.1
Compute DELTA
A T
=
B T
=
C
=
D
=
E
=
R
F
=
R
delta
T
– Measured temperature using thermometer.
1-3
R
– Value of R from display of 7102 (Press SET and DOWN at the same time.)
1-3
where
T
and R
1
T
and R
2
T
and R
3
12.2.2
Compute R0 & ALPHA
a
=
T
1
a
=
T
3
rzero
alpha
Where:
delta is the new value of DELTA computed above
Program the new values for DELTA (delta), R0 (rzero), and ALPHA (alpha) into the
Micro-Bath with the following steps.
1.
50
−
T
3
2
−
T
2
1
T
T
T
3
3
1
−
−
2
100
100
100
T
T
T
2
1
−
2
−
1
100
100
100
−
T
3
2
−
T
2
1
AF
BE
=
=
DE CF
−
are the measured temperature and resistance at 50.0 °C
1
are the measured temperature and resistance at 90.0 °C
2
are the measured temperature and resistance at 150.0 °C
3
T
T
+
delta
1
1
−
1
1
100
100
T
T
+
delta
3
1
−
3
3
100
100
R a
=
R a
=
3 1
1 3
a
−
a
1
3
R
R
−
1
3
=
R a
R a
=
3 1
1 3
Press "SET" and "EXIT" keys at the same time and then press "UP" until
T
1
−
2
100
T
1
−
1
100
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