Keithley 2700 User Manual

F-4 Temperature Equations Model 2700 Multimeter/Switch System User’s Manual
Table F-4
Type K inverse function polynomial
-200°C to 0°C
(-5,891µV to 0µV)
0°C to 500°C
(0µV to 20,644µV)
500°C to 1,372°C
(20,644µV to 54,886µV)
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.
Table F-5
Type N inverse function polynomial
-200°C to 0°C
(-3,990µV to 0µV)
0°C to 600°C
(0uV to 20,613µV)
600°C to 1,300°C
(20,613µV to 47,513µV)
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.

Keithley 2700 Specifications

General

Type	Digital Multimeter
Measurement Functions	DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Temperature Range	-200°C to +1372°C
Display	Vacuum Fluorescent Display
Connectivity	IEEE-488, RS-232
Channels	10
Power Supply	100V to 240V AC, 45Hz to 66Hz
DC Current Range	10 µA to 3 A
AC Current Range	10 µA to 3 A
Temperature Measurement	Thermocouple, RTD