4.1.4. Isolation (IEC 61557-2, 1997)
Range
Resolution
Accuracy
Measuring current
Max. direct current
Nominal voltage
Voltage at open circuit 500 V
Protection
4.1.5. Current (with MN73 clamp)
Rating
Resolution
Accuracy
Input resistance
Protection
(∗) typical
The DC component is cut by a capacitor at the tester input.
4.1.6. Voltage
Rating
Resolution
Accuracy
Input impedance
Protection
The DC component is cut by a capacitor at the tester input.
4.1.7. RCD test
4.1.7.1. Range for use
Installation voltage
Frequency
Max. internal temperature
44
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0.1 ... 0.5 ... 200.0 MΩ
100 kΩ
from 0.1 MΩ to 0.5 MΩ
:
from 0.5 MΩ to 0.6 MΩ
:
from 0.7 MΩ to 0.8 MΩ
: 3 %
from 0.9 MΩ to 10.0 MΩ : 3 %
from 10.1 MΩ to 200 MΩ : 3 %
≥
≤
1.0 mA
for R
500 kΩ
DC
≤
4.0 mA
DC
500 V
DC
≤
≤
V
550 V
DC
480 Vrms
with MN73 clamp
0 to 200 A
0 to 2000 mA
100 mA
1 mA
± 2 (∗) % ± 7 D
± 1 (∗) % ± 7 D
1 MΩ
1 MΩ
480 Vrms
480 Vrms
0 - 600 V
1 V
± 1,5 % ± 5 D
1 MΩ
> 480 Vrms
190 to 290 V
45 to 65 Hz
80° C
Chapter II
-
± 1.5 D
(out of IEC 61557)
-
± 1.5 D
± 2.0 D
± 2.5 D
± 3.0 D
Voltage input of
tester alone
0 to 2000 mV
1 mV
± 1 % ± 5 D
1 MΩ
480 Vrms
Digital Earth Tester