Introduction and Specifications
Specifications 1
1-9
DC Voltage
DC Voltage
[1] [2] [3]
Uncertainty Relative to Cal Stds Absolute Uncertainties
± (ppm Reading + 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
Reading+ 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 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...................................................... ±(Net Front Input Accuracy + 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
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