Hanna-instruments HI 9912 Manual do Utilizador descarregar pdf (Página 7)

Unplug the instrument from the power supply before

wiring or replacing the fuses.

17. Triple contact alarm in a Normally Closed (NC) or a Normally

Open (NO) position

18. Powered dosage terminals for pH correction

19. Powered dosage terminals for ORP correction

20. 110/115V or 220/240V power configuration

21. Incoming power terminals

22. Fuses

BOTTOM VIEW

23. Female BNC connector for a combination pH electrode

24. 4-mm Banana socket for the pH ground probe

25. Female BNC connector for a combination ORP electrode

26. 4-mm Banana socket for the ORP ground probe

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Hanna-instruments HI 9912 Manual do Utilizador Página 7