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HYDRO’pH
®
,
HYDR’ORP
®
,
HYDRO’pH Duo
®
and
HYDRO’pH/ORP
®
instructions
Changing the display mode of pH and/or ORP controller
............................................................................... 36
Displaying set points of pH and/or ORP controller
.......................................................................................... 36
Changing set points of pH and/or ORP controller
........................................................................................... 37
Change the brightness of display and LEDs
Calibration of pH and/or ORP with standard reagents
................................................................................... 41
Maintenance of PH and ORP sensors
Maintenance of the dosing tubes of the metering pumps
......................................................................................... 48