19
Measurements according to EN 60204-1
Earth bond resistance measurement (R
PE
function)
•
Complying with EN 60204-1, continuity of protective bonding circuit
between PE terminal and relevant points of the protective conductor
system must be checked by injecting a measurement current of 0.2 A up
to approx. 10 A.
• Limit values are the values which correspond to the length, cross section
and material of measured conductor.
1)
Set the measurement function selector (5) to R
PE
position.
2) Select measurement current 10 A or 0.2 A by using the "Im" menu
key (14).
3) For limit value setting press the "LIM" menu key (14). The limit
value can be set by using the "+" and "-" menu keys.
4)
Connect test probes (or crocodile clips) to the unit under test
.
5) Start the measurement by pressing the
"
START/STOP
"
button (7),
or select automatic start and save function by pressing the "F:AUT"
menu key (14).
6)
Pilot lamp "ON" (8) indicates active measurement.
7)
Read displayed result considering appropriate limit value.
8)
Stop the measurement by pressing the "START/STOP" button
again.
R
PE
MAN
10A
L 0.51
AUT
Im
LIM
C
F:
0.30
COMP
2
1
3
5
4
Figure 7: Measurement function R
PE
1 Display of measurement function, test lead compensation mark,
set limit value and parameters.
2 "
F:
AUT" / "
F:
MAN" menu key, for selection of automatic /
manual start and store function
3 "COMP" menu key, for test leads compensation
4 "Im" menu key, for selection of test current (10 A or 0.2 A)
5 "LIM" menu key, for limit value setting
• To save displayed measurement result, press the "SAVE" function key (12)
twice, for further instructions see the "Memorizing example" section.
