Hanna-instruments HI 9910 Manuale Utente Scaricare il pdf (Pagina 7)

Unplug the instrument from the power supply before

wiring and replacing the fuses.

24. Female BNC socket for combination pH electrode

25. 4-mm Banana socket for ground probe

16. Recorder output contacts

17. Automatic or Manual Temperature Compensation switch

18. 0 to 20 or 4 to 20 mA isolated output switch

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

Open (NO) position.

20. Powered dosage terminals (Relay)

21. 110/115V or 220/240V power configuration

22. Incoming power terminals

23. Fuses

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Hanna-instruments HI 9910 Manuale Utente Pagina 7