Keithley 2750 User Manual page 420

Model 2750 Multimeter/Switch System User's Manual
Table F-2
Type E 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-3
Type J inverse function polynomial
c =
0
c =
1
c =
2
c =
3
c =
4
c =
5
c =
6
c =
7
c =
8
Error:
t = c
90
where: t
-200°C to 0°C
(-8,825µV to 0µV)
0.0
1.697 728 8 × 10 -2
-4.351 497 0 × 10 -7
-1.585 969 7 × 10 -10
-9.250 287 1 × 10 -14
-2.608 431 4 × 10 -17
-4.136 019 9 × 10 -21
-3.403 403 0 × 10 -25
-1.156 486 0 × 10 -29
0.03°C to -0.01°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.
-210°C to 0°C
(-8,095µV to 0µV)
0.0
1.952 826 8 × 10 -2
-1.228 618 5 × 10 -6
-1.075 217 8 × 10 -9
-5.908 693 3 × 10 -13
-1.725 671 3 × 10 -16
-2.813 151 3 × 10 -20
-2.396 337 0 × 10
-24
-8.382 332 1 × 10
-29
0.03°C to -0.05°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.
0°C to 1,000°C
(0µV to 76,373µV)
0.0
1.705 703 5 × 10
-2.330 175 9 × 10
6.543 558 5 × 10
-7.356 274 9 × 10
-1.789 600 1 × 10
8.403 616 5 × 10
-1.373 587 9 × 10
1.062 982 3 × 10
-3.244 708 7 × 10
0.02°C to -0.02°C
i
... c E
i
0°C to 760°C
(0µV to 42,919µV)
0.0
1.978 425 × 10
-2.001 204 × 10
1.036 969 × 10
-2.549 687 × 10
3.585 153 × 10
-5.344 285 × 10
5.099 890 × 10
0.04°C to -0.04°C
i
... c E
i
Temperature Equations
-2
-7
-12
-17
-21
-26
-30
-35
-41
760°C to 1,200°C
(42,919µV to 69,553µV)
-3.113 581 87 × 10
-2 3.005 436 84 × 10
-7 -9.947 732 30 × 10
-11 1.702 766 30 × 10
-16 -1.430 334 68 × 10
-21 4.738 860 84 × 10
-26
-31
0.03°C to -0.05°C
F-3
3
-1
-6
-10
-15
-21