Fluke 8508A - Electrical Measurement Specifications

5
Specifications
Electrical Measurement Specifications
Electrical Measurement Specifications
Note
Fluke guarantees 8508A performance verification using specifications stated to 99 % confidence
level.
DC Voltage
DC Voltage
[1] [2] [3]
Range Full Scale
[15]
Uncertainty Relative to Cal Stds Absolute Uncertainties
± (ppm Reading + ppm Range)
[4]
24 hour
TCal ±1 °C
90 day
TCal ±1 °C
365 day
TCal ±1 °C
365 day
TCal ±1 °C
365 day TCal
±5 °C
95 % Confidence Level
200 mV
2 V
20 V
200 V
1000 V
199.990 000
1.999 900 00
19.999 000 0
199.990 000
1050.000 00
0.7 + 0.5
0.5 + 0.2
0.5 + 0.2
1.0 + 0.2
1.0 + 0.5
1.4 + 0.5
1.4 + 0.2
1.4 + 0.2
2.6 + 0.2
2.6 + 0.5
2.7 + 0.5
2.7 + 0.2
2.7 + 0.2
4.0 + 0.2
4.0 + 0.5
4.5 + 0.5
3.0 + 0.2
3.0 + 0.2
4.5 + 0.2
4.5 + 0.5
5.0 + 0.5
3.5 + 0.2
3.5 + 0.2
5.5 + 0.2
5.5 + 0.5
99 % Confidence Level
200 mV
2 V
20 V
200 V
1000 V
199.990 000
1.999 900 00
19.999 000 0
199.990 000
1050.000 00
0.8 + 0.6
0.6 + 0.25
0.6 + 0.25
1.2 + 0.25
1.2 + 0.6
2.0 + 0.6
1.8 + 0.25
1.8 + 0.25
3.5 + 0.25
3.5 + 0.6
3.5 + 0.6
3.5 + 0.25
3.5 + 0.25
5.2 + 0.25
5.2 + 0.6
6.0 + 0.6
4.0 + 0.25
4.0 + 0.25
6.0 + 0.25
6.0 + 0.6
6.5 + 0.6
4.5 + 0.25
4.5 + 0.25
7.0 + 0.25
7.0 + 0.6
DC Voltage (Secondary Specifications)
[1] [2] [3]
Range
Transfer Uncertainty
20 mins ±1 °C ± (ppm
Reading+ ppm Range)
Temperature Coefficient
15 °C - 30 °C
5 °C - 15 °C
30 °C - 40 °C
5 °C - 40 °C
[16]
± ppm Reading/°C ± V/°C
200 mV
2 V
20 V
200 V
1000 V
0.4 + 0.3
0.12 + 0.1
0.12 + 0.1
0.4 + 0.1
0.4 + 0.3
0.4
0.3
0.3
0.7
0.7
0.6
0.5
0.5
1.0
1.0
100 n
200 n
1 µ
20 µ
100 µ
Type ....................................................................... Multi-slope, multi-cycle A-D Converter
CMRR (1 kΩ unbalance)
[5]
.................................... 140 dB at DC and 1 - 60 Hz
NMRR
[5]
Filter Out ................................................................. 60 dB at 50/60 Hz ±0.09 %
Filter In .................................................................... 110 dB at 50/60 Hz ±0.09 %
Protection (All ranges) ........................................... 1 kV rms
Input Impedance
200 mV to 20 V Ranges .......................................... > 10 GΩ
200 V & 1000 V Ranges ......................................... 10.1 MΩ ± 1 %
Max Input Current ................................................. 50 pA
Ratio Accuracy
Range to Range...................................................... Apply an RSS summation of Net Front Input Accuracy and Net Rear
Input Accuracy
[17]
Within Range .......................................................... Using the 24 hour or 20 minute Transfer Uncertainty specifications
as appropriate, apply an RSS summation of specified accuracy of the
Front Input signal and the specified accuracy of the Rear Input signal
[17]
Settling Time (to 10 ppm step size)
Filter Out ................................................................. < 50 ms
Filter In .................................................................... < 1 s
5-5