MI 3152(H)
Eurotest
XC (2,5 kV)
Tests and measurements
101
7.12
Z line m
– High precision line impedance and
prospective short-circuit current
Figure 7.41: Z line m
Ω menu
Measurement parameters / limits
Test
Type of test
[L/N, L/L]
Fuse Type
Selection of fuse type
[gG, NV, B, C, D, K]
Fuse I
Rated current of selected fuse
Fuse t
Maximum breaking time of selected fuse
Ia(Ipsc)
Minimum short circuit current for selected fuse
See Appendix A for reference fuse data.
Connection diagram
Figure 7.42: Phase-neutral or phase-phase high precision Line impedance measurement
–
Connection of A 1143
Measurement procedure
Enter the
Z line m
function.
Set test parameters / limits.
Connect test leads to A 1143
– Euro Z 290 A adapter and switch it on.
Connect A 1143
– Euro Z 290 A adapter to the instrument using RS232-PS/2 cable.
Connect test leads to the object under test, see
Figure 7.42
.
