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CALIBRATION MESSAGES
• Move sensor to next buffer or check buffer: this message appears when the difference
between the pH reading and the value of the selected calibration buffer is significant. If this
message is displayed, check if you have selected the appropriate calibration buffer.
• Wrong buffer temperature: this message appears if the buffer temperature is out of the
defined buffer temperature range.
• Clean the electrode or check the buffer. Press
to update calibration: this mes-
sage alerts the user that some dirt or deposits could be on the electrode. Refer to the electrode
Cleaning Procedure.
• Slope too low. Please check the buffer / Slope too high. Please check the buffer: these
messages appear if the current slope is under 80 % or over 110 % of default slope. Recalibrate
the instrument using fresh buffers.
• Slope too low. Press
to clear old calibration / Slope too high. Press to
clear old calibration: verify the correct buffer has been selected and poured.
• If the Automatic buffer entry type has been selected for the calibration procedure, the instrument
will automatically select the closest buffer to the measured pH value from the edit buffer group
(see pH Setup for details).
• If the Semiautomatic buffer entry type has been selected for the calibration procedure, the
instrument will display only the closest buffers to the measured pH value from all the available
buffers and the user must select with
or the buffer being used.
• Unrecognized buffer. Please check the buffer or the buffer list (for Semiautomatic and
Automatic buffer entry type): this message appears if the current buffer value is not close to
any of the buffers from the buffer list/group. Check if the current buffer is present in the buffer
list or the appropriate buffer group was selected.
• The current buffer was already calibrated: change the buffer or press
to exit
calibration mode.
pH CALIBRATION
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