Hanna Instruments HI 903 - Manual (Page 83)

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METHODS
5.5.13.4 Standardized Titrant Concentration
The user can manually enter the exact titrant concentration.
5.5.13.5 Titrant Age Reminder
The user can set a reminder that a verification of the titrant concentration is necessary.
When the set reminder period has expired, a warning message will be displayed on the main
screen. The reminder period will reset once the titrant is restandardized or the set time is
modified.
5.5.14 Control Parameters
The user can access and edit the parameters related to the titration.