60
→
Connect the mains socket (or the 3 separate cables) to the
installation to be tested,
→
Plant the auxiliary rod at a distance > 25m from the earth
electrode.
4.2.3 MEASUREMENT PROCEDURE
The instrument first checks the resistance of the rod and measures the voltage between PE and
earth, then measures the voltages U
LN
, U
LPE
, U
NPE
.
If these values are correct, pressing the TEST key starts the measurement.
Remark:
to be sure that the auxiliary rod is located in a zone not influence by other earth electrodes,
move the rod
±
10% of the distance and repeat the measurement. The result must not change. If it
does, move the rod until the earth measurement remains unchanged.
4.2.4 MEASUREMENT RESULTS
After the measurement, the measured values and complementary results can be consulted using
the and keys.
(The quantities accessible
before
the measurement is made are described above, in § 4.1.4)
Parameters accessible in earth measurement in live condition, mode (high current):
Initial display
(1
st
press)
(2
nd
press)
(3
rd
press)
(4
th
press)
Initial display
R
E
Z
E
L
E
Z
E
H
Z
U
LN
R
L ALARM
U
F
R
∆
L
U
L
(1
st
press)
R
E
Z
E
L
E
Z
E
H
Z
U
LPE
R
L ALARM
U
F
R
∆
PE
U
L
(2
nd
press)
R
E
Z
E
L
E
Z
E
H
Z
U
NPE
R
L ALARM
U
F
R
∆
N
U
L
(3
rd
press)
R
E
Z
E
L
E
Z
E
H
Z
U
P
R
L ALARM
U
F
R
P
U
L
Pressing the
or
key once more causes a return to the initial display.
Parameters accessible in earth measurement in live condition, mode (low current):
Initial display
(1
st
press)
(2
nd
press)
(3
rd
press)
Initial display
R
E
- - - -
Hz
U
LN
R
L ALARM
U
F
R
∆
L
U
L
(1
st
press)
R
E
- - - -
Hz
U
LPE
R
L ALARM
U
F
R
∆
PE
U
L
(2
nd
press)
R
E
- - - -
Hz
U
NPE
R
L ALARM
U
F
R
∆
N
U
L
(3
rd
press)
R
E
- - - -
Hz
U
P
R
L ALARM
U
F
R
P
U
L
MORE
MORE
MORE
MORE
MORE
MORE
MORE
MORE
MORE
Summary of Contents for C.A 6454
Page 3: ...2...
