Ht-instruments SIRIUS89N Manual de usuario descargar pdf (Pagina 114)

SIRIUS89N

EN - 112

 EXAMPLE OF CHECKING THE SEPARATION AMONG ELECTRICAL CIRCUITS

...And among those

other circuits

...Earth

installation

Between the active

parts of the

separated circuit...

Measurement of separation among the installation circuits

Insulation or safety transformer making

the separation among the circuits.

Test among the

active parts.

Connect a test

lead of the

instrument to one

of the two

conductors of the

separate circuit

and the other to

one of the

conductors of a

no separate

circuit.

Test between

the active parts

and the earth.

Connect a test

lead of the

instrument to one

of the two

conductors of the

separate circuit

and the other to

the equalising

potential node.

This test is to be

effected only for

SELV circuits or

with electrical

aration.

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