Chauvin Arnoux C.A 5273, Руководство пользователя

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4.2.2 AC voltages
ƒ V
LowZ
AC position
The bandwidth is reduced to 300 Hz - 3 dB. In V
LowZ
, and there is no 60 mV scale. Frequency measurement is performed in
the same way as the voltage measurement: with a bandwidth of 300 Hz
- Secondary measurements and displays: frequency (AC coupling): Fmax
≤
500 Hz, min max.
ƒ V AC True RMS position
Uncertainty (
±
)
Range
Specified
measurement
range
2)
Resolution
40 to 400 Hz 0.4 to 3 kHz
Bandwidth
Input
impedance
Crest factor
600 mV 60 - 600 mV 0.1 mV 1.2 % R + 5 D
1.2 % L + 0.5 % x
[F(kHz) - 0,4] L
+ 5 D
3 at 500 mV
6 V 0.6 - 6 V 0.001 V 3 at 5 V
60 V 6 - 60 V 0.01 V 3 at 50 V
600 V 60 - 600 V 0.1 V 3 at 500 V
1000 V
1)
60 - 1000 V 1 V
1.2 % R + 3 D
1.2 % L + 0.5 % x
[F(kHz) - 0,4] L
+ 3 D
40 Hz at
3 kHz
10 M Ω //
< 50 pF
1.42 at
1000 V
1)
The display shows "+OL" in excess of +1050 V and "-OL" in excess of -1050 V or 1050 Vrms.
2)
From 1kHz, the measurement must exceed 15 % of the range
- Secondary measurements and displays: frequency (AC coupling): Fmax
≤
3 kHz, min max.
Range
Specified measurement
range
Resolution Uncertainty (
±
)
Additional
uncertainty F(Hz)
Input
Impedance
Crest
factor
600 mV 60 - 600 mV 0.1 mV 1.2 % R + 5 D
3 at 500
mV
6 V 0.6 - 6 V 0.001 V 3 at 5 V
60 V 6 - 60 V 0.01 V 3 at 50 V
600 V 60 - 600 V 0.1 V 3 at 500 V
1000 V 60 - 1000 V 1 V
1.2 % R + 3 D
45 < F < 65 Hz :
0.3 % R
at 100 Hz : 0.7 % R
at 150 Hz : 1.8 % R
at 300 Hz : 30 % R
520 k Ω //
< 50 pF
1.42 at
1000 V