Beha-Amprobe MT204-S Manual Del Usuario página 19

Measurements according to EN 60204-1
Earth bond resistance measurement (R
• 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
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
5) Start the measurement by pressing the
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 MAN
PE
AUT
F:
2
Figure 7: Measurement function R
1 Display of measurement function, test lead compensation mark,
set limit value and parameters.
2 " AUT" / "
F:
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.
C L 0.51Ω 10A
0.30
Ω
COMP Im LIM
3 4 5
MAN" menu key, for selection of automatic /
F:
PE
"START/STOP"
1
PE
19
function)
position.
PE
test.
button (7),