HT instruments SIRIUS87 - Manual (Page 47)

SIRIUS 87
EN - 45
4.5. R
a15mA
: GLOBAL EARTH RESISTANCE MEASUREMENT
Turn the switch on R
a15mA
position.
Switch on the instrument.
1. Connect the three black, blue and green connectors of the shuko cable or of the untied
cables in the corresponding input terminals of the instrument
B1, B3, B4 (see Fig. 16, Fig.
17, Fig. 18). When using untied cables connect the crocodiles to the free ends of the cables.
Fig. 16: Connection for Ra measurement
Single/Two phase 230V
Fig. 17: Connection for Ra measurement
Three-phase 400V + N
Fig. 18: Connection for Ra measurement Three-phase 230/400V without N
2. Connect the shuko plug into a 230V 50Hz socket or the crocodiles to the conductors of
the three-phase system (see previous picture).