Chauvin Arnoux PA31ER Manual De Instrucciones página 12

1. usE
The mains adapter is used to power the instrument for long-term applications and thereby economize
the instrument's internal battery.
„ Use the leads provided to connect the adapter to the voltage inputs of the instrument, either between
a phase (L1, L2, or L3) and neutral or between 2 phases.
In the example above, the adapter is connected between the neutral (N) and phase L1.
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