Apera PH20 - Parameter Setting; Setting Schedule Overview; Parameter Setting Process; Parameter Setting Instructions

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properly. To measure distilled or deionized water’s pH, users need to use a
specialized electrode.
 Do not store probe in distilled water or deionized water because they will
cause damage to the glass membrane of the pH probe. The probe should
be stored in 3M KCL solution for best accuracy or stored without any
liquid.
6. Parameter Setting
6.1 Setting Schedule
6.2 Parameter Setting
When turned off, long press to enter setup → short press to switch
P1-P2→ Short press , parameter flashing→short press to choose,
short press to confirm parameter selection→Long press to switch off.
6.3 Parameter setting instruction
Select standard pH buffer solution (P1): There are two options of standard buffer
solutions: USA series and NIST series as the following chart:
Prompt
Mark
Parameter Setting Items
Code
Factory
Default
P1
Select pH buffer
USA – NIST
USA
P2
Back to Factory Default
No – Yes
No