5)Place the electrode into pH 4.00 buffer solution ( PH-04A )
Press the " Hold button " ( 3-3, Fig. 1 ) once.
The " 4.00 " will flashing, following show " End ".
then return the normal measurement screen and
finish the pH 4.00 calibration procedures.
screen 4
4.00 flashing
CAL
screen 5
End
screen 6
4.00
return to normal screen
Calibration clear
During execute the calibration procedures, if
happen some thing wrong ( Display show Error
information ), then execute the following "
Calibration clear " procedures will clear all the
existing calibration data and return to the Default
value.
8
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