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“Calibration pH” menu.
Calib 2nd Point.
Move wheel on “P2” then press wheel to enter into second point calibration submenu. Prepare 4.00pH buffer solution
and dip probe’s sensor on it. Wait until reading value is stable and according to buffer solution value move wheel until it
is the same on display (“Cal. at” eld). Default value is 4.00pH.
To end procedure rotate cursor on “OK” and move on TE submenu.
Note: buffer solution value may change if environment temperature it’s different than 20°C. Read solution’s
label for more information. According to this occurrence “pH Default” must be changed.
pH4