Sirius 87 – HT instruments SIRIUS87 User Manual
Page 75
SIRIUS
87
EN - 73
EXAMPLE OF INSULATION MEASUREMENT ON AN INSTALLATION
OPEN
OPEN
OPEN
OPEN
OPEN
SWITCH A
SWITCH B
SWITCH C
SWITCH D
SWITCH E
Insulation measurements on an installation.
A procedure indicating how to effect the insulation resistance measurement on an
installation is reported in the following table:
ATTENTION: If the installation includes electronic devices, disconnect them from the
installation and in case this is impossible only the test "a" is to be effected,
that is to say between active conductors (which in this case SHALL be
connected together) and the earth.
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