Hanna Instruments HI 84431 - Manual (Page 28)

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• After the pump calibration is complete a confirmation message is displayed for a few seconds,
then the instrument will return to the titrator calibration menu and will display the new time
and date for the last pump calibration.
Notes:• The calibration of the pump is dependent on alkalinity range selected during SETUP.
• If an erroneous situation is encountered during the calibration, an error message is
displayed and the calibration can be restarted by pressing Restart.
• If the calibration doesn’t complete within 6 minutes the error message “Too much
standard” will be displayed and the calibration can be restarted by pressing Restart
after a new standard is prepared.
• When pump calibration is complete, carefully unscrew electrode holder with pH
electrode, temperature probe and titrant top intact. Hold over rinse beaker and rinse
off with distilled or deionized water. Remove beaker and rinse out.