MI 2087 AL2 EasiTEST
Measurement instructions
29
3.7 Fault loop resistance and prospective short-circuit
current
For general information concerning the measurement, refer to enclosed handbook
Measurements on electric installations in
theory and practice
.
How to carry out the measurement
Step 1
q
Connect test cable (Universal test cable) to EasiTest.
q
Set function switch to
LOOP L-E, PSC
position, L–PE voltage measurement
will start to run; see the figure below (left side):
Fig. 23:
L-PE voltage and frequency measurement
q
Check frequency of mains voltage by pressing the
DISPLAY
key; see the
figure above (right side).
Step 2
q
Connect the test cable
to tested object (mains outlet or other test terminals),
according to the figure below.
Fig. 24:
Connection of universal test cable (phase the neutral measurement)
Mains
voltage not
connected!
