General-tools-and-instruments DPHC2001 Instrukcja Użytkownika Pobierz pdf (Strona 10)

4) PH 7 calibration

Connect the PH ELECTRODE with the " BNC socket "

( 3-10, Fig. 1 ) and immerse the electrode in the PH7

buffer solution.

Press the " CAL Button " ( 3-8, Fig. 1 ) then the upper

display shows texts of " CAL " and the lower display

shows the default calibration value.

CAL

7.00

* The texts " CAL " will flash for around 5 seconds.

After that, the meter calibrates itself automatically.

The upper display will show the calibrated value,

the lower display will show the temperature value.

7.00

25.0

5) PH 4 or PH 10 calibration

Rinse the electrode with distilled water.

Immerse the electrode in the PH4 buffer solution ( or PH10

buffer solution ).

Press the " CAL Button " ( 3-8, Fig. 1 ) then the upper

display shows texts of " CAL " and the lower display

shows the default calibration value.

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General-tools-and-instruments DPHC2001 Instrukcja Użytkownika Strona 10