Chauvin Arnoux C.A 5275, User Manual

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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
Range
Specified measurement
range
Resolution Uncertainty (±)
Additional
uncertainty F(Hz)
typ.
Input
Impedance
Crest factor
600 mV 60 - 600 mV 0.1 mV 1.2 % R + 5 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
3 at 500 mV
6 V 0.6 - 6 V 0.001 V
1.2 % R + 3 D
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
1.42 at 1000
V
- Secondary measurements and displays: frequency (AC coupling): Fmax
≤
500 Hz, min max
ƒ V AC True RMS position
Range
Specified
measurement
range
3)
Resolution
Uncertainty (
±
)
Bandwidth
Input
Impedance
Crest factor
40 to 400 Hz 0.4 to 10 kHz
60 mV
1)
6 - 60 mV 0.01 mV 1.5 % R + 15 D ≈ 400 Hz
10 M Ω //
< 50 pF
3 at 50 mV
600 mV 60 - 600 mV 0.1 mV 1 % R + 5 D
1.2 % R + 0.5 %
x [F(kHz) - 0.4] R
+ 5 D
40 Hz to
10 kHz
3 at 500 mV
6 V 0.6 - 6 V 0.001 V
1 % R + 3 D
1.2 % R + 0.5 %
x [F(kHz) - 0.4] R
+ 3 D
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
2)
60 - 1000 V 1 V 1.42 at 1000 V
1)
This range can only be accessed using the key. Input impedance ≈ 10.6 M Ω // 50 pF
2)
The display shows "+OL" in excess of +1050 V and "-OL" in excess of -1050 V or 1050 Vrms.
3)
From 1kHz, the measurement must exceed 15 % of the range
- Secondary measurements and displays: frequency (AC coupling): Fmax
≤
10 kHz, min max