PEWA Chauvin Arnoux C.A 5231, User Manual, Page: 41 / 117

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4.2 CHARACTERISTICS AT THE REFERENCE
CONDITIONS
The uncertainty is expressed in the form x% of the r y
counts, from 10% to 100% of each measurement range.
4.2.1 Direct voltages
The input impredance is 10M
Ω
.
mV DC
Range Resolution Uncertainty (
±
)
60 mV 0,01 mV 1 % + 12 cts
600 mV 0,1 mV 0,6 % + 2 cts
V DC
Range Resolution
Uncertainty (
±
)
600 mV 0,1 mV 0,6 % + 2 cts
6 V 0,001 V
0,2 % + 2 cts
60 V 0,01 V
600 V 0,1 V
1000 V 1 V
4.2.2 Alternating voltages
The input impedance is 10 M
Ω
.
mV AC True RMS
Range Resolution
Uncertainty (
±
)
40 Hz to 60 Hz
Uncertainty (
±
)
60 Hz to 1 kHz
60 mV 0,01 mV 1 % + 12 cts 1 % + 12 cts
2 % + 3 cts
600 mV 0,1 mV
1 % + 3 cts