Fluke 165X Installation Manual page 38

Press and release T. Wait for the test to complete.
4.
•
The primary (upper) display shows the line
impedance.
•
The secondary (lower) display shows the
Prospective Short Circuit Current (PSC). PSC is
the current that would flow in case of a Line to
Neutral short. It is calculated by dividing mains
voltage by line impedance.
Use the connection shown in Figure 14 when measuring in
a 3-phase system.
N (L3/Blue)
Figure 14. Measuring in a 3-Phase System
Electrical Installation Tester
Making Measurements
L1
L2
L3
L (L1/Red)
apx025f.eps
27