Introduction and Specifications
Electrical Specifications 1
1-15
1-29. Electrical Specifications
Note
Fluke guarantees performance verification using specifications stated to
99% confidence level.
1-30. DC Voltage Specifications
5720A Series II DC Voltage Specifications
Absolute Uncertainty
± 5 °C from calibration temperature
[1]
Relative Uncertainty
± 1 °C
24 Hours 90 Days 180 Days 1 Year 24 Hours 90 Days
Range Resolution
± (ppm output + µV)
99 % Confidence Level
220 mV 10 nV 5 + 0.5 7 + 0.5 8 + 0.5 9 + 0.5 2 + 0.4 2.5 + 0.4
2.2 V 100 nV 3.5 + 0.8 4 + 0.8 4.5 + 0.8 6 + 0.8 2 + 0.8 2.5 + 0.8
11 V
1 µV
2.5 + 3 3 + 3 3.5 + 3 4 + 3 1 + 3 1.5 + 3
22 V
1 µV
2.5 + 5 3 + 5 3.5 + 5 4 + 5 1 + 5 1.5 + 5
220 V
10 µV
3.5 + 50 4 + 50 5 + 50 6 + 50 2 + 50 2.5 + 50
1100 V
100 µV
5 + 500 6 + 500 7 + 500 8 + 500 2.5 + 400 3 + 400
95 % Confidence Level
220 mV 10 nV 4 + 0.4 6 + 0.4 6.5 + 0.4 7.5 + 0.4 1.6 + 0.4 2 + 0.4
2.2 V 100 nV 3 + 0.7 3.5 + 0.7 4 + 0.7 5 + 0.7 1.6 + 0.7 2 + 0.7
11 V
1 µV
2 + 2.5 2.5 + 2.5 3 + 2.5 3.5 + 2.5 0.8 + 2.5 1.2 + 2.5
22 V
1 µV
2 + 4 2.5 + 4 3 + 4 3.5 + 4 0.8 + 4 1.2 + 4
220 V
10 µV
3 + 40 3.5 + 40 4 + 40 5 + 40 1.6 + 40 2 + 40
1100 V
100 µV
4 + 400 4.5 + 400 6 + 400 6.5 + 400 2 + 400 2.4 + 400
Notes:
DC Zeros calibration required every 30 days.
1. For fields strengths >1 V/m but ≤3 V/m, add 0.01 % of range.