Introduction and Specifications
Specifications
1
1-9
DC Voltage
DC Voltage
[1] [2] [3]
Uncertainty Relative to Cal Stds
Absolute Uncertainties
± (ppm R ppm Range)
[4]
Range Full
Scale
[15]
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
199.990 000
0.7 + 0.5
1.4 + 0.5
2.7 + 0.5
4.5 + 0.5
5.0 + 0.5
2 V
1.999 900 00
0.5 + 0.2
1.4 + 0.2
2.7 + 0.2
3.0 + 0.2
3.5 + 0.2
20 V
19.999 000 0
0.5 + 0.2
1.4 + 0.2
2.7 + 0.2
3.0 + 0.2
3.5 + 0.2
200 V
199.990 000
1.0 + 0.2
2.6 + 0.2
4.0 + 0.2
4.5 + 0.2
5.5 + 0.2
1000 V
1050.000 00
1.0 + 0.5
2.6 + 0.5
4.0 + 0.5
4.5 + 0.5
5.5 + 0.5
99 % Confidence Level
200 mV
199.990 000
0.8 + 0.6
2.0 + 0.6
3.5 + 0.6
6.0 + 0.6
6.5 + 0.6
2 V
1.999 900 00
0.6 + 0.25
1.8 + 0.25
3.5 + 0.25
4.0 + 0.25
4.5 + 0.25
20 V
19.999 000 0
0.6 + 0.25
1.8 + 0.25
3.5 + 0.25
4.0 + 0.25
4.5 + 0.25
200 V
199.990 000
1.2 + 0.25
3.5 + 0.25
5.2 + 0.25
6.0 + 0.25
7.0 + 0.25
1000 V
1050.000 00
1.2 + 0.6
3.5 + 0.6
5.2 + 0.6
6.0 + 0.6
7.0 + 0.6
DC Voltage (Secondary Specifications)
[1] [2] [3]
Temperature Coefficient
15 °C - 30 °C
5 °C - 15 °C
30 °C - 40 °C
Range
Transfer Uncertainty
20 mins ±1 °C ± (ppm
ppm Range)
± ppm Reading/°C
200 mV
0.4 + 0.3
0.4
0.6
2 V
0.12 + 0.1
0.3
0.5
20 V
0.12 + 0.1
0.3
0.5
200 V
0.4 + 0.1
0.7
1.0
1000 V
0.4 + 0.3
0.7
1.0
Type
....................................................................... Multi-slope, multi-cycle A-D Converter
CMRR
(1 k
Ω
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 G
Ω
200 V & 1000 V Ranges ......................................... 10.1 M
Ω
± 1 %
Max Input Current
................................................. 50 pA
Ratio Accuracy
Range to Range...................................................... ±(Net Front Input Ac Net Rear Input Accuracy)
Within Range .......................................................... Apply 24 hour or 20 minute Transfer Uncertainty specifications
Settling Time
(to 10 ppm step size)
Filter Out ................................................................. < 50 ms
Filter In .................................................................... < 1 s
Содержание 8508A
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