MI 3155
Eurotest
XD
Technical specifications
204
12.6
Z loop, Z loop 4W – Fault loop impedance and
prospective fault current
Z
– Fault loop impedance
Measuring range according to EN 61557 is 0.12
... 9.99 k
.
Measuring range (
)
Resolution (
)
Accuracy
0.00 ... 9.99
0.01
(3 % of r 3 digits)
10.0 ... 99.9
0.1
100 ... 999
1
10 % of reading
1.00 k ... 9.99 k
10
Ipsc
– Prospective fault current
Measuring range (A)
Resolution (A)
Accuracy
0.00 ... 9.99
0.01
Consider accuracy of fault
loop resistance measurement
10.0 ... 99.9
0.1
100 ... 999
1
1.00 k ... 9.99 k
10
10.0 k ... 23.0 k
100
Ulpe
– Voltage
Measuring range (V)
Resolution (V)
Accuracy
0 ... 550
1
(2 % of r 2 digits)
Uc(P)
– Contact voltage at Ipsc, external probe
Measuring range (V)
Resolution (V)
Accuracy
0.0 ... 99.9
0.1
(-0 % / +15 %) of reading
0.02
Ipsc
The accuracy is valid if mains voltage is stabile during the measurement.
Test current (at 230 V) ........................... 20 A (10 ms)
Nominal voltage range ............................ 93 V ... 134 V
(16 Hz … 400 Hz)
185 V ... 266 V
(16 Hz … 400 Hz)
R and X
L
values are indicative.