Measuring Procedures - Lutron Electronics PH-321M Operation Manual

Press "▼button" once a while with three times, the display
will show:
Press "ENTER button" once, the display will show following
screen once a while,
Then return to normal screen and finish the "Calibration
Clear" procedures.
MEASUREMENT PROCEDURES
After the instrument and pH electrode are calibrated, then
the unit is now ready for measuring.
1. Connect the combination pH Electrode to the "BNC socket".
2. Power on the instrument by plugging in the DC 9V adapter
into the "DC 9v Input socket".
3. Place the electrode into the measured solution, then the
instrument will display the pH value.
4. After make the measurement, please rinse the electrode in
distilled water.
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