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CALIBRATION
PROCEDURE
The measured pH value is displayed, along with the temperature and the buffer value on the second level.
• To change the buffer value, press the Cal. point, use the / keys to select the new buffer, press
Select to use the highlighted value.
• Submerse the tip of the pH electrode approximately 3 cm (1¼”) into the first buffer rinse solution
and stir gently.
• Submerse the tip of the pH electrode approximately 3 cm (1¼”) into the first buffer solution and
stir gently. The “Not Ready” message is displayed.
• Once the reading has stabilized, the countdown timer will count down until the display shows the
“Ready” message.
• Press Confirm to accept the calibration point.
• To save a one or two-point calibration, press ESC after the calibration buffer has been confirmed.
• Repeat the steps above to add a second or third point to the calibration.
• Press OK to return to the Calibration menu.
• Press Measure to return to the measurement screen.
CUSTOM BUFFER CALIBRATION
To select the custom buffer:
• Press Cal. Point, then Custom.
• Use the alphanumeric keypad to enter the value at the current temperature, then press Accept.
Note: The custom buffer can only be used as the first calibration point.
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