User guide

5. PH TEMPERATURE COMPENSATION

Enable the meter to gain high accuracy measuring results

from different kinds of solution, the temperature

compensation calibration procedures are necessary to

be executed.

Manual temperature compensation calibration procedures

please refer to 5-1 ( See below).

Automatical temperature compensation calibration procedures

please refer to 5-2 ( Page 15 ).

5-1 Manual temperature compensation procedures

Before the manual temperature compensation calibration

procedures, please make sure there are no ATC probe

( YK-200ACT ) in the " Optional Probe Input Socket"

( 3-11, Fig. 1 ).

1) Power on the instrument by pressing the " Power

Button " ( 3-2, Fig. 1 ).

2) Press the " PH/mV Button " ( 3-6, Fig. 1 ) to select

the PH function with a " PH " symbol on the display

3) " TEMP. C Button " ( 3-7, Fig. 1 ) is used to adjust the

following values :

a. Tmperature compensation value

b. PH 4 Default calibartion value

c. PH 7 Default calibartion value

d. PH 10 Default calibartion value