Megger MFT1815 - Three Terminal Resistance Measurement

2. Set the rotary selector switch to the
2P
position.
3. Press and release the
TEST
button.
The instrument will perform pre-measurement check, the status of which will be indicated on the display. The two-
terminal resistance reading will be displayed
NOTE : The test voltage used to make the two-terminal resistance reading is AC and may not be suitable
for continuity testing according to some local regulations.
10.4 Making a measurement – Three terminal resistance measurement
1. Connect the instrument as below.
I
CAT IV
300V
12-15V
1.2A
H
SE
Electrode
under test
Potential stakeCurrent stake
2. Set the rotary selector switch to the
3P
position.
3. Press and release the
TEST
button.
The instrument will perform pre-measurement check, the status of which will be indicated on the display. The three-
terminal resistance reading will be displayed.
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MFT1800 series
50
Earth resistance measurement