General-tools-and-instruments DPHC2001 Manual do Utilizador descarregar pdf (Página 17)

5-2 Automatic temperature compensation

1) Plug the " Optional ATC Temp. Probe, YK-200ACT "

into the " Optional Probe Input Socket " ( 3-12, Fig. 1 ).

Slide the " Lock Switch " ( 3-11, Fig. 1 ) to the

lock ( ) position.

2) Power on the instrument by pressing the " Power

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

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

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

4) Place the "Temp. Probe" into the solution, then

temperature will be compensated automatically for PH

measurement.

6. MEASURING PROCEDURE

Make sure the " Lock Switch " ( 3-11, Fig. 1 ) in

the lock ( ) position before measurement.

6-1 PH Measurement

Whenever the calibration procedures are recommended to

be done before PH measurement.

1) Connect the PH ELECTRODE to the " PH BNC Input

Socket " ( 3-10, Fig. 1 ).

2) Power on the instrument by pressing the " Power

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

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

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

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General-tools-and-instruments DPHC2001 Manual do Utilizador Página 17