MI 2087 AL2 EasiTEST
Measurement instructions
19
Step 4
Select
type of involved RCD
as follows:
q
Press the
SELECT
key after setting nominal differential current, last set type
starts to blink.
q
Select appropriate type using the
▲
and
▼
keys. Standard (General) type (
G
is
displayed) or selective type (
S
is displayed) can be selected.
Step 5
Select
limit contact voltage value
Ulim
as follows:
q
Press the
SELECT
key after setting RCD type, last set limit contact voltage
starts to blink.
q
Select appropriate value using the
▲
and
▼
keys. 50 V or 25 V can be
selected.
q
Press the
SELECT
key again after selecting the limit contact voltage, to return
to
Contact voltage
or
Fault loop resistance initial menu
.
Step 6
q
Connect test cable to tested object (mains outlet or other test terminals)
according to the figure below. “
Mains plug
” mark will be displayed as soon as
mains voltage appears at test terminals.
Fig. 12:
Connection of Universal Test Cable
Step 7
(Uc function is selected)
q
Press the
START
key and release it. Measurement will be carried out and
result (Uc at I
∆
N
- standard RCD or Uc at 2I
∆
N
- selective RCD) will be
displayed.
q
Check fault loop resistance subresult and preset limit contact voltage by using
the
DISPLAY
key.
