Chauvin Arnoux C.A 6454 Notice De Fonctionnement page 71

4.5.3 MEASUREMENT PROCEDURE
The measurement is started automatically and is continuous.
4.5.4 MEASUREMENT RESULTS
The measured values and complementary calculated results are described in the table of § 4.1.4 (
position of the switch).
4.5.5 CHARACTERISTICS
4.5.5.1 MEASUREMENT RANGES AND ACCURACY
Particular
reference conditions
Characteristics with an MN 20 current probe:
Display range
Specified measurement
domain
Accuracy
Note: in measurement of I
Characteristics with an C 172 current probe:
Display range
Specified measurement
domain
Accuracy
4.5.5.2 INFLUENCING CONDITIONS
Influencing quantities
Temperature
Relative humidity
Power supply voltage
Frequency (without the
current probe)
Common mode rejection in
50/60Hz AC
: peak factor = 1.414,
DC component < 0.1%,
operating frequency domain = 15.3 to 450Hz.
400mA
5.0-399.9mA
2%+10pt
, the accuracy is increased by 5%
SEL
400mA
5.0-399.9mA
2%+10pt
Limits of the domain of
use
-10 to + 55 C
10 to 85% RH at 45
6.8 to 10 V
15.3 to 450Hz
0 to 500 V AC
4A
0.400-3.999A
1,5%+2pt
4A
0.400-3.999A
1,5%+2pt
Variation of the measurement
Typical
1%/10 C ± 1pt
2%
1% / V ± 1pt
0.5%
50dB
70
40A
4.00-20.00A
1,2%+2pt
40A
4.00-20.00A
1,2%+2pt
Maximum
2%/10 C + 2pt
3% + 2 pt
2%/ V + 2pt
1%
40dB