MI 3101 EurotestAT:
Technical specifications
93
8.3.4 Trip-out current
Trip-out current
Complete measurement range corresponds to EN 61557 requirements.
Measuring range I
Resolution
I
Accuracy
0.2
I
N
1.1
I
N
(AC type)
0.05
I
N
0.1
I
N
0.2
I
N
1.5
I
N
(A type, I
N
≥
30 mA)
0.05
I
N
0.1
I
N
0.2
I
N
2.2
I
N
(A type, I
N
<30 mA)
0.05
I
N
0.1
I
N
0.2
I
N
2.2
I
N (B type)
0.05
I
N
0.1
I
N
Trip-out time
Measuring range (ms)
Resolution (ms)
Accuracy
0
300
1
3 ms
Contact voltage
Measuring range (V)
Resolution (V)
Accuracy
0.0
19.9
0.1
(-0 % / +15 %) of reading
10 digits
20.0
99.9
0.1
(-0 % / +15 %) of reading
The accuracy is valid if mains voltage is stabile during the measurement and PE terminal
is free of interfering voltages.
Measurement can not be performed for I
N
=1000 mA (RCD type B).
Specified accuracy is valid for complete operating range.
8.4 Fault loop impedance and prospective fault current
8.4.1 No disconnecting device or FUSE selected
Fault loop impedance
Measuring range according to EN61557 is 0.25
19999
.
Measuring range (
) Resolution
(
)
Accuracy
0.00
9.99
0.01
10.0
99.9
0.1
100
19999
1
(5 % of r 5 digits)
Prospective fault current (calculated value)
Measuring range (A)
Resolution (A)
Accuracy
0.00
9.99
0.01
10.0
99.9
0.1
100
999
1
1.00k
9.99k
10
10.0k
23.0k
100
Consider accuracy of fault
loop impedance
measurement
The accuracy is valid if mains voltage is stable during the measurement.
Test current (at 230 V) ...................... 6.5 A (10 ms)
Nominal voltage range ...................... 30 V
500 V (14 Hz
500 Hz)
