User Manual

21
When the reading is stable and close to the selected buffer, the
Confirm function key is displayed.
Press Confirm to confirm calibration.
The calibrated value and the third expected buffer value will be
displayed.
After the second calibration point is confirmed, immerse the pH
electrode and the temperature probe approximately 3 cm (1¾”) into
a third buffer solution and stir gently. The temperature probe should
be close to the pH electrode.
If necessary, press the ARROW keys to select a different buffer value.
The “ ” tag will blink on the LCD until the reading is stable.
When the reading is stable and close to the selected buffer, the
Confirm function key is displayed.
Press Confirm to confirm calibration.
Repeat this procedure with two additional pH buffers to encompass the
entire sample pH range.