General-tools-and-instruments DPHC2001 Manuale Utente Scaricare il pdf (Pagina 15)

@ Use the " Up Button " ( 3-5, Fig. 1 ) and the " Down

Button " ( 3-8, Fig. 1 ) to adjust the PH 4 default

calibration value.

@ The adjustment range of " PH4 default calibration value "

is limited within 4.0 0.20 PH

c. Adjust the PH 7 default value

* When the PH 4 default value be adjusted. Press

the " TEMP. C Button " ( 3-7, Fig. 1 ) once

again to adjust the PH 7 default calibration

value.

The upper display will show the values of " 7.00 " and

the lower display will show the " PH 7 default

calibration value ".

7.00

07.12

@ Use the " Up Button " ( 3-5, Fig. 1 ) and the "

Down Button " ( 3-8, Fig. 1 ) to adjust the PH 7

default calibration value.

@ The adjustment range of " PH 7 default calibration

value " is limited within 7.0 0.20 PH.

d. Adjust the PH 10 Default Value

* When the PH 7 default calibration value be

adjusted. Press the " TEMP. C Button " ( 3-7,

Fig. 1 ) once again to adjust the PH 10 default

calibration value.

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General-tools-and-instruments DPHC2001 Manuale Utente Pagina 15