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H CALIBRATIONH CALIBRATION
H CALIBRATIONH CALIBRATION
H CALIBRATION
BL 7916 only:
• Ensure that the display selector switch is set to MEASURE and dip
the electrode tip in a neutral buffer solution (pH 7.01).
• Adjust the OFFSET trimmer to display 7.01 on the LCD.
• Rinse the electrode with clean water and
dip the electrode tip in pH 4.01 (acidic)
or pH 10.01 (alkaline) buffer solution.
• Adjust the slope trimmer to read 4.01 or 10.01 on the LCD.
The slope calibration with pH 4.01 buffer is suggested if the controller
will be used for acid measurements or pH values below 7, pH 10.01
is in turn recommended for alkaline measurements or pH values
above 7.
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