Fluke 8508A - Page 10

10 Fluke Corporation 8508A Extended Specifications
Type True RMS, AC coupled. DC coupled gives √(ac
2
+ dc
2
)
Crest Factor 3:1 at 50 % of range, 1.5:1 at full range
Protection
Front Input 20 A rms
Rear Input 2 A rms, Rear Panel Fuse
Settling Time (to 100 ppm step size) 200 µΑ to 2 A Ranges 20 A Range
100 Hz <0.5 s <30 s
40 Hz <1.25 s <30 s
10 Hz <5 s <30 s
1 Hz <50 s <50 s
AC Current
(Secondary Specifications)
[1] [2] [6] [9]
Temperature Coefficient
200 µA, 1 - 10 10 15 200 µA 150 150
2 mA & 10 - 10k 10 15 2 mA 15.2 15.2
20 mA 10k - 30k 12 20 20 mA 1.8 1.9
30k - 100k 40 60
200 mA 1 - 10 10 15 1.2 1.3
10 - 10k 15 20
10k - 30k 15 20
2 A 10 - 2k 10 15 0.3 0.4
2k - 10k 15 20
10k - 30k 20 30
20 A 10 - 2k 10 15 0.04 -
2k - 10k 15 20
Range
± ppm Reading/°C
15 °C - 30 °C
5 °C - 15 °C
30 °C - 40 °C
Frequency
(Hz)
AC Current specifications (cont.)
RearFront
Range
Input
Impedance
(Ω)