Keithley 3720-ST User Manual

Section 4: Basic DMM operation Series 3700A System Switch/Multimeter Reference Manual
4-36 3700AS-901-01 Rev. D/June 2018
Type N inverse function polynomial
–200 °C to 0 °C (–3,990 µV to
0 µV)
0 °C to 600 °C
(0 µV to 20,613 µV)
600 °C to 1,300 °C
(20,613 µV to 47,513 µV)
c
0
=
0.0
0.0
1.972 485 × 10
1
c
1
=
3.843 684 7 × 10
-2
3.868 96 × 10
-2
3.300 943 × 10
-2
c
2
=
1.101 048 5 × 10
-6
–1.082 67 × 10
-6
–3.915 159 × 10
-7
c
3
=
5.222 931 2 × 10
-9
4.702 05 × 10
-11
9.855 391 × 10
-12
c
4
=
7.206 052 5 × 10
-12
–2.121 69 × 10
-18
–1.274 371 × 10
-16
c
5
=
5.848 858 6 × 10
-15
–1.172 72 × 10
-19
7.767 022 × 10
-22
c
6
=
2.775 491 6 × 10
-18
5.392 80 × 10
-24
c
7
=
7.707 516 6 × 10
-22
–7.981 56 × 10
-29
c
8
=
1.158 266 5 × 10
-25
c
9
=
7.313 886 8 × 10
-30
Error:
0.03 °C to –0.02 °C
0.03 °C to –0.02 °C
0.02 °C to –0.04 °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 R inverse function polynomial
–50 °C to 250 °C (–226
µV to 1,923 µV)
250 °C to 1,200 °C
(1,923 µV to
13,228 µV)
1,064 °C to 1,664.5 °C
(11,361 µV to 19,739
µV)
1,664.5 °C to 1,768.1
°C (19,739 µV to
21,103 µV)
c
0
=
0.0
1.334 584 505 × 10
1
–8.199 599 416 × 10
1
3.406 177 836 × 10
4
c
1
=
1.889 138 0 × 10
-1
1.472 644 573 × 10
-1
1.553 962 042 × 10
-1
–7.023 729 171
c
2
=
–9.383 529 0 × 10
-5
–1.844 024 844 × 10
-5
–8.342 197 663 × 10
-6
5.582 903 813 × 10
-4
c
3
=
1.306 861 9 × 10
-7
4.031 129 726 × 10
-9
4.279 433 549 × 10
-10
–1.952 394 635 × 10
-8
c
4
=
–2.270 358 0 × 10
-10
–6.249 428 360 × 10
-13
–1.191 577 910 × 10
-14
2.560 740 231 × 10
-13
c
5
=
3.514 565 9 × 10
-13
6.468 412 046 × 10
-17
1.492 290 091 × 10
-19
c
6
=
–3.895 390 0 × 10
-16
–4.458 750 426 × 10
-21
c
7
=
2.823 947 1 × 10
-19
1.994 710 149 × 10
-25
c
8
=
–1.260 728 1 × 10
-22
–5.313 401 790 × 10
-30
c
9
=
3.135 361 1 × 10
-26
6.481 976 217 × 10
-35
c
10
=
–3.318 776 9 × 10
-30
Error:
0.02 °C to –0.02 °C
0.005 °C to –0.005 °C
0.001 °C to –0.0005 °C
0.002 °C to –0.001 °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.

Keithley 3720-ST Specifications

General

Brand	Keithley
Model	3720-ST
Category	Multimeter
Language	English