Amprobe, Multitest2000 – Amprobe Multitest-2000 Continuity-Tester User Manual
Page 49
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AMPROBE
MULTITEST2000
6.4.1. Measurement procedure and results of "2-W"and "3-W" mode
1. Select "2-W" or "3-W" Earth measurement mode by means of the F1 key.
2. Connect the Black, Red, Green and Blue cables to the corresponding input terminals
of the instrument B1, B2, B3, B4 (see possible connections in the following pictures).
B2
B3
B4
B1
I1
1
3
N
Connection for 3 point Earth resistance
measurement
B2
B3
B4
B1
I1
1
1
3
3
N
N
Transf
Connection for 2 point Earth Resistance
measurement
B2
B3
B4
B1
I1
1
3
N
Connection for measuring the resistance between an extraneous conductive part and the earth system
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