Chauvin Arnoux C.A 6454, Руководство пользователя

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55
4.1.5 CHARACTERISTICS
4.1.5.1 MEASUREMENT RANGES AND ACCURACY
Frequency: the value displayed is guaranteed only for a voltage
≥
10VRMS (all settings of the
switch except ) or, in the position, for a current
≥
100 mARMS.
Display range
400 V 4000 V
Specified
measurement
domain
2.0 – 79.9 V 80.0 – 399.9 V 400 – 550V (DC or RMS)
Accuracy ± 4% ± 5 pt ± 2% ± 1 pt ± 2% ± 1 pt
Input impedance
440 k
Ω
Voltage
measurements
Measurements of
the potential of
the voltage probe
Operating
frequency
DC and 15.3 to 450 Hz
Specified
measurement
domain
2.0 – 100.0 V
Accuracy ± 15% ± 2 pt (45Hz < freq. < 65Hz)
Input impedance 4.5 M
Ω
in series with 4.7 nF
Contact
voltage
measurement
Operating
frequency
15.3 to 65 Hz
Display range 400 Hz 4000 Hz
Specified
measurement
domain
15.3 – 399.9 Hz 400 – 450 Hz
Resolution
0.1 Hz 1 Hz
Frequency
measurement
Accuracy
± 0.1% ± 1pt
4.1.5.2
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°C 2% 3% + 2 pt
Power supply voltage 6,8 to 10 V 1% / V + 1pt 2%/ V + 2pt
Frequency 15.3 to 450Hz 0.5% 1%
Series mode rejection in AC
50/60Hz series mode
rejection in DC
Common mode rejection in
50/60Hz AC
0 to 500 V DC 50dB 40dB