3.6.9.- MEASURING TWOPHASE NETWORKS WITH A 3WIRE CONNECTION: CVME3MINIITF AND 
CVME3MINIITFWiEth
 
Measurement system: 3-2Ph
VL1 VL2
N
L1
L2
N
L2V
L1
V
VL1 N VL2
a
b
A
B
a
b
A B
CARGA / LOAD
13
11
10
Alimentación  Auxiliar
Power Supply
S1
S2
S1
S2
S1
S2
S1 S2
P1
P2
S1
S2
P1
P2
1
2
3
4
5
6
Figure 14: Measuring Two-Phase Networks with a 3-wire connection: CVM-E3-MINI-ITF and CVM-E3-MINI-ITF-WiEth.
To guarantee the insulation of the device and its category, it is necessary 
to earth the S2 terminals of the transformers.
24
CVM-E3-MINI
Instruction Manual