Dc And Ac Currents; Resistances; Accuracy - Chauvin Arnoux C.A 406 Notice De Fonctionnement

2.2

DC AND AC CURRENTS

5 A DC
ranges
(2)
50µA
1mA
10mA
100mA
1A
(1)
R fuse = 10Ω
(2)
Position common to the 100mV DC range
(3)
Position common to the 3V AC range
2.3

RESISTANCES

3 Ω ranges
X 1
X 10
X 1k
Time to take measurement: 2 to 3 seconds.
2.4

ACCURACY

1,5% of full scale for DC voltage measurement.
2% of full scale for DC current measurement.
2,5% of full scale for AC voltage and current measurements except 3A AC..
3% for the 3A AC range, time limited to 3 minutes above 2A AC.
for the ohmmeter ranges, reading from the mid-point of the scale: 14 Ω .
5%
(Standard NF C 42108-2.8).
C.A 406
Voltage drop at
(1)
the terminals
100mV
270mV
411mV
1.3V
500mV
Internal
resistance
14Ω
140Ω
14kΩ
6A AC Voltage drop at the
ranges
(3)
150µA
0.3mA
3mA
30mA
300mA
3A
Measurement
extent
0,5Ω to 1kΩ
5Ω to 10kΩ
500Ω to 1MΩ
English
(1)
terminals
3V
700mV
850mV
1.15V
900mV
1.6V
Full scale
current
107mA
10.7mA
107µA
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