General Tools and Instruments DCT2001 - Manual (Page 13)

4-4 PH meter
* Make sure that the probe lock switch ( 3-11, Fig. 1 )
had switched to the lock position ( ).
* Make sure that the " Conductivity/TDS Plug "
( 3-18, Fig. 1 ) had taken away from the meter.
a. 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.
4) * If the operating is under the " Manual temperature
compensation ", then please refer to the " 4-4, d "
calibration procedures.
* If the operating is under the " Automatic temperature
compensation ", then please refer to the " 4-4, e "
calibration procedures.
5) Place the electrode into the solution, and then the instrument
will have the PH value on the display.
6) After the measurement, please rinse the electrode with
distilled water.
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