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6
Fluke Corporation 8508A Extended Specifications
DC Current specifications
DC Current
(Secondary Specifications)
[1] [2] [3]
Input
Impedance
(
Ω
)
Temperature Coefficient
200
µ
A
150
150
0.4
0.6
2 mA
15.2
15.2
0.4
0.6
20 mA
1.8
1.9
1.2
1.8
200 mA
1.2
1.3
6.0
9.0
2 A
0.3
0.4
8.0
12
20 A
0.04
-
8.0
12
Range
± ppm Reading/°C
15
°C - 30 °C
5
°C - 15 °C
30
°C - 40 °C
Type
Multi-slope, multi-cycle A-D Converter
Protection
Front Input
20 A rms
Rear Input
2 A rms, Rear Panel Fuse
Settling Time
200
µΑ
to 200 mA Ranges, to 10 ppm step size
Filter Out <50 ms, Filter In <1 s
2 A Range to 10 ppm step size
<1 s
20 A Range to 100 ppm step size
<30 s
DC Current
[1] [2] [3]
Full Scale
Uncertainty Relative to Cal Stds
24 hour
TCal ±1 °C
365 day
TCal ±1 °C
200
µ
A
199.999 99
5.5 + 2.0
6.0 + 2.0
6.5 + 2.0
12 + 2.0
12 + 2.0
2 mA
1.999 999 9
5.5 + 2.0
6.0 + 2.0
6.5 + 2.0
12 + 2.0
12 + 2.0
20 mA
19.999 999
6.5 + 2.0
7.0 + 2.0
8.0 + 2.0
13 + 2.0
14 + 2.0
200 mA
199.999 99
28 + 4.0
30 + 4.0
33 + 4.0
36 + 4.0
48 + 4.0
2 A
1.999 999 9
80 + 8.0
125 + 8.0
170 + 8.0
170 + 8.0
185 + 8.0
20 A
19.999 999
200 + 20
290 + 20
380 + 20
380 + 20
400 + 20
200
µ
A
199.999 99
7.0 + 2.0
7.5 + 2.0
8.0 + 2.0
15 + 2.0
16 + 2.0
2 mA
1.999 999 9
7.0 + 2.0
7.5 + 2.0
8.0 + 2.0
15 + 2.0
16 + 2.0
20 mA
19.999 999
8.0 + 2.0
9.0 + 2.0
10 + 2.0
16 + 2.0
18 + 2.0
200 mA
199.999 99
35 + 4.0
37 + 4.0
40 + 4.0
45 + 4.0
60 + 4.0
2 A
1.999 999 9
100 + 8.0
150 + 8.0
205 + 8.0
210 + 8.0
225 + 8.0
20 A
19.999 999
250 + 20
350 + 20
450 + 20
455 + 20
500 + 20
90 day
TCal ±1 °C
Range
95 % Confidence Level
99 % Confidence Level
365 day
TCal ±1 °C
±
(ppm R ppm Range)
[4]
Absolute Uncertainties
Rear
Front
365 day
TCal ±5 °C