Chauvin Arnoux C.A 5233 Notice De Fonctionnement page 51

English
4.2.3 Alternating voltages at low impedance (V
AC LowZ True RMS)
The input impedance is 270k .
A low input impedance serves to eliminate the effects of
interference voltages due to the supply network, and makes it
possible to measure an AC voltage with a minimum of error.
Range Resolution
Uncertainty (±)
6 V 0,001 V
60 V 0,01 V
40 Hz à 60 Hz
2 % + 10 cts
600 V 0,1 V
1000 V * 1 V
* According to safety rules, 1000V range is limited to 600V.
4.2.4 Frequency (V AC or A AC)
Range Resolution Uncertainty (±)
10 to 3000 Hz 0.01 Hz
4.2.5 Duty Cycle
Range Resolution Uncertainty (±)
0.1 to 99.9 % 0.1 % 1.2 % + 2 cts
4.2.6 Resistance
Range Resolution
Uncertainty (±)
600 0.1 2 % + 2 cts
6 k 0.001 k
60 k 0.01 k
0.3 % + 4 cts
600 k 0.1 k
6 M 0.001 M
60 M 0.01 M 0.5 % + 20 cts
51 - 138
Sensitivity
0.5 % 15 V RMS
Frequency
5 Hz to 150 kHz