MRU-200
● MRU-200-GPS – USER MANUAL
18
Note:
- It is sufficient to realize compensation once for the given test leads. It is also remembered once the
meter has been turned off, until the next successful auto-reset procedure.
3.3
Earth resistance measurement with 3-pole method (R
E
3P)
The basic kind of the earth resistance measurement is 3-pole measurement.
Disconnect the tested earth electrode for the object installation.
Turn the meter on.
Set the rotational
function selector at
3P
.
E
S
H
CA
T
IV
3
00
V
Connect the current electrode driver into ground to the
H
socket of the meter.
Connect the voltage electrode driver into ground to the
S
socket of the meter.
Connect the tested earth electrode to the
E
socket of the meter.
The tested earth electrode as well as the current electrode and voltage electrode
should be aligned.
The meter is ready for measurement.
The auxiliary display shows the value of
the interference voltage and its fre-
quency. The setting bar shows the
mains frequency set in the MENU.
