HI-9912-2 Proportional pH and ORP Control
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HI 9912 is a pH and ORP controller specially designed for pool sanitization. Two separate set points can be adjusted by the user from 6 to 8 pH and 500 to 900 mV.
HI 9912 is a pH and ORP controller specially designed for pool sanitization. Two separate set points can be adjusted by the user from 6 to 8 pH and 500 to 900 mV.