6243/44 DC Voltage Current Source/Monitor Operation Manual
9.1.2 Voltage/Current Measurement
9-7
Overall accuracy: Including calibration accuracy, 1-day stability, temperature coefficients, and linearity
1-day stability: When the AC power and load are constant:
The following errors are added to the accuracy and 1-day stability when the integration time is 10 ms
to 500 s.
Voltage measurement Range Overall accuracy (% of reading + V)
320 mV
3.2 V
32 V
110 V
0.03 + 100 V
0.03 + 150 V
0.03 + 1 mV
0.03 + 8 mV
Current measurement Range Overall accuracy (% of reading + A + A Vo / 1 V )
32 A
320 A
3.2 mA
32 mA
320 mA
2 A
0.03 + 8 nA + 300 pA
0.03 + 80 nA + 3 nA
0.03 + 800 nA + 30 nA
0.03 + 8 A + 300 nA
0.05 + 80 A + 3 A
0.06 + 800 A + 30 A
Vo: Compliance voltage (0 V to 110 V) (Auto Zero ON, integration time 1 to 100 PLC)
Voltage measurement Range Overall accuracy (% of reading + V)
320 mV
3.2 V
32 V
110 V
0.008 + 50 V
0.008 + 100 V
0.008 + 500 V
0.008 + 3 mV
Current measurement Range Overall accuracy (% of reading + A + A Vo / 1 V )
32 A
320 A
3.2 mA
32 mA
320 mA
2 A
0.015 + 3.5 nA + 200 pA
0.015 + 35 nA + 2 nA
0.01 + 350 nA + 20 nA
0.01 + 3.5 A + 200 nA
0.015 + 35 A + 2 A
0.03 + 350 A + 20 A
Vo: Compliance voltage (0 V to 110 V) (Auto Zero ON, integration time 1 to 100 PLC)
Measurement range
Integration time(digits)
10 ms 1 ms 500 s
320 mV 30 50 60
3.2 V to 110 V 6 12 15
32
A
305070
320 A 152530
3.2 mA to 2 A 10 15 20