Fluke 2620A User Manual page 157

Input Impedance
100 M minimum in parallel with 150 pF maximum
Common Mode and Normal Mode Rejection
See Specifications, DC Voltage Inputs
Cross-Talk Rejection
Refer to Appendix D
Open Thermocouple Detect
Small ac signal injection and detection scheme before each measurement detects greater
than 1 to 4 k as open. Performed on each channel unless defeated by computer
command.
RTD Inputs
Type
DIN/IEC 751, 100e Platinum (385)
RTD
Temperature Resolution
(°C) Slow
-200.00 0.02
0.00 0.02
100.00 0.02
300.00 0.02
600.00 0.02
* Sensor inaccuracies are not included
RTD
Temperature Resolution
(°C) Slow
-200.00 0.02
0.00 0.02
100.00 0.02
300.00 0.02
600.00 0.02
* Sensor inaccuracies are not included
IEC 751, Amendment 1, 100 e Platinum (IPTS-68)
4 Wire Accuracy* (±°C)
18°C to 28°C
Fast 90 Day
Slow
0.1 0.06
0.1 0.09
0.1 0.10
0.1 0.14
0.1 0.19
IEC 751, Amendment 1, 100 e Platinum (ITS-90)
4 Wire Accuracy* (±°C)
18°C to 28°C
Fast 90 Day
Slow
0.1 0.06
0.1 0.09
0.1 0.13
0.1 0.17
0.1 0.30
1 Year 1 Year
Slow Fast
0.06 0.48
0.09 0.55
0.11 0.58
0.14 0.65
0.20 0.76
1 Year 1 Year 1 Year
Slow Fast Slow
0.06 0.48
0.09 0.55
0.13 0.60
0.18 0.69
0.31 0.87
Appendices
Specifications
0°C to 60°C
1 Year 1 Year
Slow Fast
0.07 0.49
0.13 0.59
0.17 0.64
0.24 0.75
0.37 0.93
0°C to 60°C
1 Year
Fast
0.07 0.49
0.13 0.59
0.19 0.67
0.28 0.79
0.48 1.04
A
A-5