Chauvin Arnoux C.A 6454, Руководство пользователя

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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
: peak factor = 1.414,
DC component < 0.1%,
operating frequency domain = 15.3 to 450Hz.
Characteristics with an MN 20 current probe:
Display range
400mA 4A 40A
Specified measurement
domain
5.0-399.9mA 0.400-3.999A 4.00-20.00A
Accuracy
2%+10pt 1,5%+2pt 1,2%+2pt
Note: in measurement of I
SEL
, the accuracy is increased by 5%
Characteristics with an C 172 current probe:
Display range
400mA 4A 40A
Specified measurement
domain
5.0-399.9mA 0.400-3.999A 4.00-20.00A
Accuracy
2%+10pt 1,5%+2pt 1,2%+2pt
4.5.5.2 INFLUENCING CONDITIONS
Variation of the measurement
Influencing quantities
Limits of the domain of
use
Typical Maximum
Temperature -10 to + 55 °C
1%/10 °C
±
1pt
2%/10 °C + 2pt
Relative humidity 10 to 85% RH at 45° 2% 3% + 2 pt
Power supply voltage 6.8 to 10 V
1% / V
±
1pt
2%/ V + 2pt
Frequency (without the
current probe)
15.3 to 450Hz 0.5% 1%
Common mode rejection in
50/60Hz AC
0 to 500 V AC 50dB 40dB