MI 3125 / BT EurotestCOMBO Measurements
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5 Measurements
5.1 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 5.1: Voltage in single
phase system
Test parameters for voltage measurement
There are no parameters to set.
Connections for voltage measurement
Figure 5.2: Connection of 3-wire test lead and optional adapter in three-phase system
Figure 5.3: Connection of plug commander and 3-wire test lead in single-phase system
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