Amprobe Multitest-1000 Continuity-Tester - Manual (Page 32)

4.4.1. Measurement procedure for "2P" test mode
1. Select "2P" earth measurement mode using the F1 key.
2. Connect the Black, Red, Green and Blue cables to the corresponding input terminals of the
instrument T1, T2, T3, T4 (see possible connections in the following picture).
3. Connect the black, and green cables to the earth plant and red and blue cables to the
auxiliary rod.
B2 B3 B4 B1
2 points earth resistance measurement
4. Press
the START/STOP key. The instrument starts the test.
START
STOP
)
EARTH
0.96
Ω
2P
0.93 Ω
At the end of the test the instrument
displays the values alongside.
Average value of earth resistance calculated over
the number of test displayed.
Resistance value
measured
Mode “2P”.
WARNING
Never disconnect the test leads while the word “Measuring” is being
displayed.
SAVE SAVING: The tests can be stored pressing the SAVE key twice (refer
to paragraph 5.1).
Note: If START/STOP key was pressed and held, the instrument takes more
consecutive tests.
5. When a new value is acquired the instrument emits a short sound and calculates the
new average value.