Hanna Instruments HI 9910 - Manual (Page 13)

13
24
25
24. Female BNC socket for combination ORP electrode
25. 4-mm Banana socket for ground probe
20. Powered dosage terminals (Relay)
21. 110/115V or 220/240V power configuration
22. Incoming power terminals
23. Fuses
BOTTOM CONNECTION
Unplug the instrument from the power supply before
wiring and replacing the fuses.