Ht-instruments HT950N Manual do Utilizador descarregar pdf (Página 9)

HT950N

EN - 9

5.2.1. Power supply circuit

HT950N meter can be supplied with AC (50/60Hz frequency) or DC sources. If you use

DC supply please connect positive (+) and negative (-) contact at terminals 30 and 32

respectively, like shown on Fig. 4

Fig. 4: Power supply terminals of HT950N

WARNING

 Use a cable with section  1mm

for power supply the meter.

 Its necessary to insert a easy to reach voltage protection switch on/off before

HT950N to interrupt voltage.

 The EMC levels/immunity declared in chapter 7.2.2 are referred only

inserted standard filter on supply cord, like shown in Fig 5.

Fig. 5: connection of EMC filter on supply cord.

WARNING

As all safety protections of HT950N meter depend on refer S terminal (31), its

necessary to connect all Pt100 shields at this terminal.

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Ht-instruments HT950N Manual do Utilizador Página 9