.2 Set the rotary selector switch to the
RE
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
Under certain circumstances, the instrument may display a noise warning. This means that interference has been detected which may
impair the accuracy of the measurement. In particular, the reading could be lower than the actual resistance. The resistance of the elec-
trode or system must be verified by an alternative method.
Note:
The instrument will display the warning triangle and an excessive noise voltage indicator if the ground noise voltage is above 20 V pk-pk
(7 Vrms).
Re/Rs ratio must be less than 100, where Re = Earth resistance, Rs = Shunt resistance
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