Keithley 3720-ST User Manual

Series 3700A System Switch/Multimeter Reference Manual Section 4: Basic DMM operation
3700AS-901-01 Rev. D/June 2018 4-37
Type S inverse function polynomial
–50 °C to 250 °C (-235
µV to 1,874 µV)
250 °C to 1,200 °C
(1,874 µV to
11,950 µV)
1,064 °C to 1,664.5 °C
(10,332 µV to
17,536 µV)
1,664.5 °C to 1,768.1
°C (17,536 µV to
18,693 µV)
c
0
=
0.0
1.291 509 199 × 10
1
–8.087 801 117 × 10
1
5.333 875 126 × 10
4
c
1
=
1.849 494 60 × 10
-1
1.466 298 863 × 10
-1
1.621 573 104 × 10
-1
–1.235 892 298 × 10
1
c
2
=
–8.005 050 62 × 10
-5
–1.534 713 402 × 10
-5
–8.536 869 453 × 10
-6
1.092 657 613 × 10
-3
c
3
=
1.022 374 30 × 10
-7
3.145 945 973 × 10
-9
4.719 686 976 × 10
-10
–4.265 693 686 × 10
-8
c
4
=
–1.522 485 92 × 10
-10
–4.163 257 839 × 10
-13
–1.441 693 666 × 10
-14
6.247 205 420 × 10
-13
c
5
=
1.888 213 43 × 10
-13
3.187 963 771 × 10
-17
2.081 618 890 × 10
-19
c
6
=
–1.590 859 41 × 10
-16
–1.291 637 500 × 10
-21
c
7
=
8.230 278 80 × 10
-20
2.183 475 087 × 10
-26
c
8
=
–2.341 819 44 × 10
-23
–1.447 379 511 × 10
-31
c
9
=
2.797 862 60 × 10
-27
8.211 272 125 × 10
-36
Error:
0.02 °C to –0.02 °C
0.01 °C to –0.01 °C
0.0002 °C to –0.0002 °C
0.002 °C to –0.002 °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 T inverse function polynomial
–200 °C to 0 °C
(–5,603 µV to 0 µV)
0 °C to 400 °C
(0 µV to 20,872 µV)
c
0
=
0.0
0.0
c
1
=
2.594 919 2 × 10
-2
2.592 800 × 10
-2
c
2
=
2.131 696 7 × 10
-7
7.602 961 × 10
c
3
=
7.901 869 2 × 10
-10
7 4.637 791 × 10
-11
c
4
=
4.252 777 7 × 10
-13
2.165 394 × 10
-15
c
5
=
1.330 447 3 × 10
-16
6.048 144 × 10
-20
c
6
=
2.024 144 6 × 10
-20
7.293 422 × 10
-25
c
7
=
1.266 817 1 × 10
-24
Error:
0.04 °C to –0.02 °C
0.03 °C to –0.03 °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