Keithley 2750 User Manual page 421

F-4 Temperature Equations
Table F-4
Type K inverse function polynomial
c =
0
c =
1
c =
2
c =
3
c =
4
c =
5
c =
6
c =
7
c =
8
c =
9
Error:
t = c
90
where: t
Table F-5
Type N inverse function polynomial
c =
0
c =
1
c =
2
c =
3
c =
4
c =
5
c =
6
c =
7
c =
8
c =
9
Error:
t = c
90
where: t
-200°C to 0°C
(-5,891µV to 0µV)
0.0
2.517 346 2 × 10 -2
-1.166 287 8 × 10 -6
-1.083 363 8 × 10 -9
-8.977 354 0 × 10 -13
-3.734 237 7 × 10 -16
-8.663 264 3 × 10 -20
-1.045 059 8 × 10 -23
-5.192 057 7 × 10 -28
0.04°C to -0.02°C
2 3
+ c E + c E + c E
0 1 2 3
is the calculated temperature in °C.
90
E is the measured voltage in microvolts.
-200°C to 0°C
(-3,990µV to 0µV)
0.0
3.843 684 7 × 10 -2
1.101 048 5 × 10 -6
5.222 931 2 × 10 -9
7.206 052 5 × 10 -12
5.848 858 6 × 10 -15
2.775 491 6 × 10 -18
7.707 516 6 × 10
-22
1.158 266 5 × 10
-25
7.313 886 8 × 10
-30
0.03°C to -0.02°C
2 3
+ c E + c E + c E
0 1 2 3
is the calculated temperature in °C.
90
E is the measured voltage in microvolts.
Model 2750 Multimeter/Switch System User's Manual
0°C to 500°C
(0µV to 20,644µV)
0.0
2.508 355 2 × 10
7.860 106 2 × 10
-2.503 131 2 × 10
8.315 270 2 × 10
-1.228 034 2 × 10
9.804 036 2 × 10
-4.413 030 2 × 10
1.057 734 2 × 10
-1.052 755 2 × 10
0.04°C to -0.05°C
i
... c E
i
0°C to 600°C
(0uV to 20,613µV)
0.0
3.868 96 × 10 -2
-1.082 67 × 10 -6
4.702 05 × 10 -11
-2.121 69 × 10 -18
-1.172 72 × 10 -19
5.392 80 × 10 -24
-7.981 56 × 10
-29
0.03°C to -0.02°C
i
... c E
i
500°C to 1,372°C
(20,644µV to 54,886µV)
-1.318 058 × 10
-2 4.830 222 × 10
-8 -1.646 031 × 10
-10 5.464 731 × 10
-14 -9.650 715 × 10
-17 8.802 193 × 10
-22 -3.110 810 × 10
-26
-30
-35
0.06°C to -0.05°C
600°C to 1,300°C
(20,613µV to 47,513µV)
1.972 485 × 10
3.300 943 × 10
-3.915 159 × 10
9.855 391 × 10
-1.274 371 × 10
7.767 022 × 10
0.02°C to -0.04°C
2
-2
-6
-11
-16
-21
-26
1
-2
-7
-12
-16
-22