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HYDRO’pH
®
,
HYDR’ORP
®
,
HYDRO’pH Duo
®
and
HYDRO’pH/ORP
®
instructions
E.
Testing the metering pump(s)
To manually trigger the operation of the metering pump in pH or ORP, just press more
than 5 seconds keys « + » or « - ».
To test the pH dosing pump...
=>
5s
=> the pH pump is running!
To test the oxidizing metering pump...
=>
5s
=> the oxidizing pump is running!
Immediately after releasing the key the pump stops!
F.
Change the brightness of display and LEDs
To change the brightness of the display or indicators, simply press keys « Cal » and then
« + » or « - ».
=> …
=> Brightness increases!
or…
=> Brightness decreases!
Immediately after releasing the key and after a few seconds, the controller resumes
normal operation!
G.
Automatic calibration of pH and/or ORP (No reagents)
CAUTION:
Automatic calibration of pH or ORP does not use standard fluid!
Prior to calibration, make the measurement of pH and / or ORP
potential with reference equipment or chemical reagents!
NOTE:
This operation does not require neither the shutdown of the filtration,
nor the exit of the sensors from their holders!
NOTE:
Chemical reagents for measurement of pH or ORP are not supplied
with the controller.