Chauvin Arnoux C.A 6456 Notice De Fonctionnement page 264

Characteristic in "selective" mode: Charge duration : 300µs cycle
Display range
Specified
measurement
0,5 - 1,9Ω
domain
Peak measuring
≥ 30 mA
current
(3)
Accuracy of the
resistance
± 15% ± 5 pt
measurement
(4)
The measuring current is that measured by the current probe.
(3)
No measurement of the inductive part in "selective" mode.
(4)
Characteristics common to all measurement modes:
- - Max. resist - Max. resist ance acceptable in series with the voltage probe: 15 kΩ Ω Ω Ω
- Accuracy of measurement of the resistance in series with the probe: 20% + 10 pt
(resolution 0,1 kΩ; display range 400.0 kΩ
43.5.2 nfluencing conditions
Influencing
quantities
Temperature T Temperature
Relative humidity
Power supply voltage
Network voltage of the
installation tested
Network voltage of the
installation tested
Resistance in series qith the
voltage probe ( earth in live
condition only)
Contact voltage (Uc)
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400Ω
2,0 - 19,9Ω 20,0 - 399,9Ω
≥ 10 mA ≥ 5 mA
± 10'% ± 5 pt
Limits of the domain
of use
-10 à + 55 °C
1 %/10 °C ± 1pt 1 %/10 °C ± 1pt
10 to 85% HR at 45°C
6,8 to 10 V
1 % / V + 1pt 1 % / V + 1pt
99 to 101% of nominal
frequency
85 to 110% of nominal
voltage
0,1%/kΩ
0 to 15KΩ
0 to 50 V
0,1%/10V 0,1%/10V
68
4000Ω
400 - 3999Ω
≥ 2 mA
± 15% ± 5 pt
Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω
V Variation of the measurement Variation of the measurement
Typical Typical T Maximum
2 %/10 °C + 2pt 2 %/10 °C + 2pt
2 % 2 % 3 % + 2 pt 3 % + 2 pt
2%/ V + 2pt 2%/ V + 2pt
0,5% 0,5% 1% + 1 pt 1% + 1 pt
0,5% 0,5% 1% + 1 pt 1% + 1 pt
0,2%/kΩ + 1 pt 0,2%/k
0,2%/10V 0,2%/10V