Fluke Corporation 8508A Extended Specifications 11
Resistance specifications
Resistance
[1] [2] [3] [9]
Full Scale Uncertainty Relative to Cal Stds
24 hour
TCal ±1 °C
365 day
TCal ±1 °C
Absolute Uncertainties
2 Ω 1.999 999 99 Normal 5.0 + 2.0 8.0 + 2.0 10 + 2.0 15 + 2.0 17 + 2.0
20 Ω 19.999 999 9 Normal 2.5 + 0.7 4.5 + 0.7 7.0 + 0.7 9.0 + 0.7 9.5 + 0.7
200 Ω 199.999 999 Normal 1.5 + 0.25 4.0 + 0.25 7.0 + 0.25 7.5 + 0.25 8.0 + 0.25
2 kΩ 1.999 999 99 Normal 1.0 + 0.25 3.5 + 0.25 7.0 + 0.25 7.5 + 0.25 8.0 + 0.25
20 kΩ 19.999 999 9 Normal 1.0 + 0.25 3.5 + 0.25 7.0 + 0.25 7.5 + 0.25 8.0 + 0.25
200 kΩ 199.999 999 Normal 1.0 + 0.25 3.5 + 0.25 7.0 + 0.25 7.5 + 0.25 8.0 + 0.25
2 MΩ 1.999 999 99 Normal 2.0 + 0.5 4.0 + 0.5 7.0 + 0.5 8.5 + 0.5 9.0 + 0.5
20 MΩ 19.999 999 9 Normal 3.5 + 5.0 6.0 + 5.0 9.0 + 5.0 15 + 5.0 20 + 5.0
200 MΩ 199.999 999 Normal 20 + 50 25 + 50 30 + 50 60 + 50 120 + 50
2 GΩ 1.999 999 99 Normal 250 + 500 350 + 500 500 + 500 525 + 500 1510 + 500
2 Ω 1.999 999 99 Lo Current 5.0 + 2.0 8.0 + 2.0 10 + 2.0 15 + 2.0 17 + 2.0
20 Ω 19.999 999 9 Lo Current 2.5 + 0.7 4.5 + 0.7 7.0 + 0.7 9.0 + 0.7 9.5 + 0.7
200 Ω 199.999 999 Lo Current 2.5 + 0.7 5.0 + 0.7 7.0 + 0.7 7.5 + 0.7 8.0 + 0.7
2 kΩ 1.999 999 99 Lo Current 2.5 + 0.7 5.0 + 0.7 7.0 + 0.7 7.5 + 0.7 8.0 + 0.7
20 kΩ 19.999 999 9 Lo Current 2.5 + 0.7 5.0 + 0.7 7.0 + 0.7 7.5 + 0.7 8.0 + 0.7
200 kΩ 199.999 999 Lo Current 5.0 + 0.5 6.5 + 0.5 7.0 + 0.5 7.5 + 0.5 8.0 + 0.5
2 MΩ 1.999 999 99 Lo Current 7.0 + 0.5 8.0 + 0.5 9.0 + 0.5 10 + 0.5 15 + 0.5
20 MΩ 19.999 999 9 Lo Current 20 + 5.0 20 + 5.0 25 + 5.0 35 + 5.0 90 + 5.0
200 MΩ 199.999 999 Lo Current 250 + 500 350 + 500 500 + 500 515 + 500 1505 + 500
2 GΩ 1.999 999 99 Lo Current 250 + 500 350 + 500 500 + 500 525 + 500 1510 + 500
20 MΩ 19.999 999 9 High Voltage 2.0 + 0.5 4.0 + 0.5 7.0 + 0.5 15 + 0.5 17 + 0.5
200 MΩ 199.999 999 High Voltage 3.5 + 5.0 6.0 + 5.0 9.0 + 5.0 60 + 5.0 65 + 5.0
2 GΩ 1.999 999 99 High Voltage 20 + 50 25 + 50 30 + 50 150 + 50 180 + 50
20 GΩ 19.999 999 9 High Voltage 250 + 500 350 + 500 500 + 500 525 + 500 1510 + 500
2 Ω 1.999 999 99 Normal 6.0 + 2.5 10 + 2.5 12 + 2.5 19 + 2.5 22 + 2.5
20 Ω 19.999 999 9 Normal 3.0 + 0.9 5.5 + 0.9 8.5 + 0.9 11.5 + 0.9 12.0 + 0.9
200 Ω 199.999 999 Normal 1.8 + 0.3 5.0 + 0.3 8.5 + 0.3 9.5 + 0.3 10 + 0.3
2 kΩ 1.999 999 99 Normal 1.2 + 0.3 4.5 + 0.3 8.5 + 0.3 9.5 + 0.3 10 + 0.3
20 kΩ 19.999 999 9 Normal 1.2 + 0.3 4.5 + 0.3 8.5 + 0.3 9.5 + 0.3 10 + 0.3
200 kΩ 199.999 999 Normal 1.2 + 0.3 4.5 + 0.3 8.5 + 0.3 9.5 + 0.3 10 + 0.3
2 MΩ 1.999 999 99 Normal 2.5 + 0.6 5.0 + 0.6 8.5 + 0.6 10.5 + 0.6 12 + 0.6
20 MΩ 19.999 999 9 Normal 4.5 + 6.0 7.5 + 6.0 12 + 6.0 20 + 6.0 25 + 6.0
200 MΩ 199.999 999 Normal 25 + 60 30 + 60 35 + 60 75 + 60 150 + 60
2 GΩ 1.999 999 99 Normal 325 + 600 450 + 600 650 + 600 675 + 600 1810 + 600
2 Ω 1.999 999 99 Lo Current 6.0 + 2.5 10 + 2.5 12 + 2.5 19 + 2.5 22 + 2.5
20 Ω 19.999 999 9 Lo Current 3.0 + 0.9 5.5 + 0.9 8.5 + 0.9 11.5 + 0.9 12.0 + 0.9
200 Ω 199.999 999 Lo Current 3.0 + 0.9 6.5 + 0.9 8.5 + 0.9 9.5 + 0.9 10.0 + 0.9
2 kΩ 1.999 999 99 Lo Current 3.0 + 0.9 6.5 + 0.9 8.5 + 0.9 9.5 + 0.9 10.0 + 0.9
20 kΩ 19.999 999 9 Lo Current 3.0 + 0.9 6.5 + 0.9 8.5 + 0.9 9.5 + 0.9 10.0 + 0.9
200 kΩ 199.999 999 Lo Current 6.0 + 0.6 8.0 + 0.6 9.0 + 0.6 9.5 + 0.6 10.0 + 0.6
2 MΩ 1.999 999 99 Lo Current 8.0 + 0.6 10.0 + 0.6 12.0 + 0.6 13.0 + 0.6 17.0 + 0.6
20 MΩ 19.999 999 9 Lo Current 25 + 6.0 25 + 6.0 30 + 6.0 45 + 6.0 110 + 6.0
200 MΩ 199.999 999 Lo Current 325 + 600 450 + 600 650 + 600 670 + 600 1810 + 600
2 GΩ 1.999 999 99 Lo Current 325 + 600 450 + 600 650 + 600 675 + 600 1810 + 600
20 MΩ 19.999 999 9 High Voltage 2.5 + 0.6 5.0 + 0.6 8.5 + 0.6 19 + 0.6 20 + 0.6
200 MΩ 199.999 999 High Voltage 4.5 + 6.0 7.5 + 6.0 12 + 6.0 75 + 6.0 80 + 6.0
2 GΩ 1.999 999 99 High Voltage 25 + 60 30 + 60 35 + 60 195 + 60 230 + 60
20 GΩ 19.999 999 9 High Voltage 325 + 600 450 + 600 650 + 600 675 + 600 1810 + 600
90 day
TCal ±1 °C
Range
95 % Confidence Level
99 % Confidence Level
Mode
[10]
365 day
TCal ±1 °C
365 day
TCal ±5 °C
± (ppm Reading + ppm Range)
[4]
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