General Tools and Instruments DPHC2001 - Manual (Page 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.
15