Dc Voltage Specifications - Fluke 8508A Extended Specifications

DC Voltage
[1] [2] [3]
Full Scale
Range
95 % Confidence Level
200 mV 199.999 999
2 V 1.999 999 99
20 V 19.999 999 9
200 V 199.999 999
1000 V 1050.000 00
99 % Confidence Level
200 mV 199.999 999
2 V 1.999 999 99
20 V 19.999 999 9
200 V 199.999 999
1000 V 1050.000 00
Type
CMRR (1 k unbalance)
NMRR
[5]
Filter Out
Filter In
Protection (All ranges)
Input Impedance
200 mV to 20 V Ranges
200 V & 1000 V Ranges
Max Input Current
Ratio Accuracy
Range to Range
Within Range
Settling Time (to 10 ppm step size)
Filter Out
Filter In

DC Voltage specifications

Uncertainty Relative to Cal Stds
(ppm Reading + ppm Range)
±
24 hour 90 day
TCal ±1 °C TCal ±1 °C
0.7 + 0.5 1.4 + 0.5
0.5 + 0.2 1.4 + 0.2
0.5 + 0.2 1.4 + 0.2
1.0 + 0.2 2.6 + 0.2
1.0 + 0.5 2.6 + 0.5
0.8 + 0.6 2.0 + 0.6
0.6+ 0.25 1.8 + 0.25
0.6 + 0.25 1.8 + 0.25
1.2 + 0.25 3.5 + 0.25
1.2 + 0.6 3.5 + 0.6
DC Voltage
Range
20 mins ±1 °C
± (ppm Reading
+ ppm Range)
200 mV
2 V
20 V
200 V
1000 V
Multi-slope, multi-cycle A-D Converter
140 dB at DC and 1 - 60 Hz
[5]
60 dB at 50/60 Hz ±0.09 %
110 dB at 50/60 Hz ±0.09 %
1 kV rms
>100 G
10.1 M ± 1 %
50 pA
±(Net Front Input Accuracy + Net Rear Input Accuracy)
Apply 24 hour or 20 minute Transfer
Uncertainty specifications
<50 ms
<1 s
Absolute Uncertainties
[4]
365 day 365 day
TCal ±1 °C TCal ±1 °C
2.7 + 0.5 4.5 + 0.5
2.7 + 0.2 3.0 + 0.2
2.7 + 0.2 3.0 + 0.2
4.0 + 0.2 4.5 + 0.2
4.0 + 0.5 4.5 + 0.5
3.5 + 0.6 6.0 + 0.6
3.5 + 0.25 4.0 + 0.25
3.5 + 0.25 4.0 + 0.25
5.2 + 0.25 6.0 + 0.25
5.2 + 0.6 6.0 + 0.6
(Secondary Specifications)
Transfer Temperature Coefficient
Uncertainty
15 °C - 30 °C
± ppm Reading/°C
0.4 + 0.3 0.4
0.12 + 0.1 0.3
0.12 + 0.1 0.3
0.4 + 0.1 0.7
0.4 + 0.3 0.7
Fluke Corporation 8508A Extended Specifications
365 day
TCal ±5 °C
5.0 + 0.5
3.5 + 0.2
3.5 + 0.2
5.5 + 0.2
5.5 + 0.5
6.5 + 0.6
4.5 + 0.25
4.5 + 0.25
7.0 + 0.25
7.0 + 0.6
[1] [2] [3]
5 °C - 15 °C
30 °C - 40 °C
0.6
0.5
0.5
1.0
1.0
5