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Hanna Instruments HI 9910 User Manual

Page 10

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10

Unplug the instrument from the power supply before
wiring and replacing the fuses.

24

25

24. Female BNC socket for combination pH electrode
25. 4-mm Banana socket for ground probe

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 (Relays)
21. 110/115V or 220/240V power configuration
22. Incoming power terminals
23. Fuses

BOTTOM CONNECTION

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