Series 3700A System Switch/Multimeter Reference Manual
Section 4: Basic DMM operation
3700AS-901-01 Rev. D/June 2018
4-35
Type J inverse function polynomial
–210 °C to 0 °C
(
–8,095 µV to 0 µV)
0 °C to 760 °C
(0 µV to 42,919 µV)
760 °C to 1,200 °C
(42,919 µV to 69,553 µV)
c
0
=
0.0
0.0
–3.113 581 87 × 10
3
c
1
=
1.952 826 8 × 10
-2
1.978 425 × 10
-2
3.005 436 84 × 10
-1
c
2
=
1.228 618 5 × 10
-6
2.001 204 × 10
-7
9.947 732 30 × 10
-6
c
3
=
1.075 217 8 × 10
-9
1.036 969 × 10
-11
1.702 766 30 × 10
-10
c
4
=
5.908 693 3 × 10
-13
2.549 687 × 10
-16
1.430 334 68 × 10
-15
c
5
=
1.725 671 3 × 10
-16
3.585 153 ×10
-21
4.738 860 84 ×10
-21
c
6
=
2.813 151 3 × 10
-20
5.344 285 × 10
-26
c
7
=
2.396 337 0 × 10
-24
5.099 890 × 10
-31
c
8
=
8.382 332 1 × 10
-29
Error:
0.03 °C to
–0.05 °C
0.04 °C to
–0.04 °C
0.03 °C to
–0.05 °C
t
90
= c
0
+ c
1
E + c
2
E
2
+ c
3
E
3
... c
i
E
i
Where:
t
90
is the calculated temperature in °C.
E is the measured voltage in microvolts.
Type K inverse function polynomial
–200 °C to 0 °C
(
–5,891 µV to 0 µV)
0 °C to 500 °C
(0 µV to 20,644 µV)
500 °C to 1,372 °C
(20,644 µV to 54,886 µV)
c
0
=
0.0
0.0
–1.318 058 × 10
2
c
1
=
2.517 346 2 × 10
-2
2.508 355 2 × 10
-2
4.830 222 × 10
-2
c
2
=
–1.166 287 8 × 10
-6
7.860 106 2 × 10
-8
–1.646 031 ×10
-6
c
3
=
–1.083 363 8 × 10
-9
–2.503 131 2 × 10
-10
5.464 731 × 10
-11
c
4
=
–8.977 354 0 × 10
-13
8.315 270 2 × 10
-14
–9.650 715 × 10
-16
c
5
=
–3.734 237 7 × 10
-16
–1.228 034 2 × 10
-17
8.802 193 × 10
-21
c
6
=
–8.663 264 3 × 10
-20
9.804 036 2 × 10
-22
–3.110 810 × 10
-26
c
7
=
–1.045 059 8 × 10
-23
–4.413 030 2 × 10
-26
c
8
=
–5.192 057 7 × 10
-28
1.057 734 2 × 10
-30
c
9
=
–1.052 755 2 × 10
-35
Error:
0.04 °C to
–0.02 °C
0.04 °C to
–0.05 °C
0.06 °C to
–0.05 °C
t
90
= c
0
+ c
1
E + c
2
E
2
+ c
3
E
3
... c
i
E
i
Where:
t
90
is the calculated temperature in °C.
E is the measured voltage in microvolts.
