METREL MI 3122 User Manual

MI 3122 Smartec Z Line-Loop / RCD Voltage, frequency, phase sequence
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5.4 Voltage, frequency and phase sequence
Voltage and frequency measurement is always active in the terminal voltage monitor. In
the special voltage trms menu the measured voltage, frequency and information about
detected three-phase connection can be stored. Phase sequence measurement conforms
to the EN 61557-7 standard.
See chapter 4.1 Function selection for instructions on
key functionality.
Figure 5.14: Voltage in single
phase system
Test parameters for voltage measurement
There are no parameters to set.
Connections for voltage measurement
L3
L2
L1
N
PE
N
/
L
2
N
/
L
2
L
/
L
1
L
/
L
1
P
E
/
L
3
P
E
/
L
3
result 1.2.3 result 2.1.3
Figure 5.15: Connection of universal test cable and optional adapter in three-phase system
L1
L2
L3
N
PE
R E
Ro
LPEN
L
/
L
1
N
/
L
2
P
E
/
L
3
N/L2
L
/
L
1
PE/L3
Figure 5.16: Connection of plug commander and universal test cable in single-phase
system

METREL MI 3122 Specifications

General

Brand	METREL
Model	MI 3122
Category	Multimeter
Language	English