Hayward PROChem Double pH/ORP Manual Del Propietário página 28

EN
6d. pH probe calibration
Always begin the calibration procedure with a calibration reset.
Note: If you have selected the "1 point cal.", the calibration will be made only in 1 point using the 7pH buff er solution.
Reference calibration
ProChem Double | pH · ORP · Chlorine Page 27 on 42
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