Manual

GSC53N - GSC57 - ZG47
EN - 56
6.5.1. 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 I2 I3
1
3
N
Connection for 3 point Earth resistance
measurement
B2
B3
B4B1
I1
I2
I3
1
1
3
3
N
N
Transf
Connection for 2 point Earth Resistance
measurement
B2 B3
B4
B1
I1 I2 I3
1
3
N
Connection for measuring the resistance between an extraneous conductive part and the earth system
3. Press the START key. The instrument starts the test.
START
STOP