MI 2087 AL2 EasiTEST
Measurement instructions
16
Step 2
Compensate test leads
(if they have not been compensated yet or, if already
compensated test leads have been exchanged) as follows:
q
Short test leads; see the figure below.
Fig. 8:
Shorted test leads
q
Press the
START
key and release it in order to carry out regular measurement,
result (close to 0
Ω
) will be displayed.
q
Press the
CAL
key and release it, displayed result will alter to
0,00
Ω
and
C
ü
mark will appear, indicating the compensation was successfully accomplished.
Test instrument is thus ready to be used.
q
In order to remove potential compensation, follow the procedure described in
this step with open test leads. “
C
ü
”
mark will disappear after finishing the
procedure, indicating the compensation has been removed.
Step 3
q
Connect test leads to the tested object according to the figures below.
Fig. 9:
Connection of Universal Test Cable and optional Probe Test Lead
(Order No.
A 1012
)
N/L2
L/L1
L/L1
PE/L3
N/L2
Opt
ion
A 1
002
PE/L3
PCC1
Option A 1012
PCC2
PCC3
N/L2
PE/L3
L/L1
MPEC
MPEC..........Main Potential
Equilizing Collector
PCC.............Protection Conductor
Collector
