Metrohm 900 Touch Control Manual - Manual (Page 61)

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8 Titrants
900 Touch Control
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8.3 Monitoring the working life
Titrant: Edit ▶ Working life
In the dialog Edit titrant / Working life, you can define the time inter-
val after which the titrant must be replaced. This is particularly important if
your titrant has a limited working life. If you do not wish to monitor the
working life, then you can enter only the date of manufacture for docu-
mentation purposes.
Preparation date
Date on which the reagent was manufactured or the bottle was opened.
For new titrants, the time the preparation was made will be specified.
Format: YYYY:MM:DD
Monitoring
on | off (Default value: off)
If this parameter is activated, then the working life will be monitored.
Working life
If you define a time interval for the working life, then the Expiry date will
be tracked automatically.
Input range 1 - 999 days
Default value 999 days
Expiry date
If you define an expiry date, then the Working life will be tracked auto-
matically.
Format: YYYY:MM:DD
Action
Selection of the action which is carried out when the time interval has
expired.
Selection Display message | Document message | Cancel
determination
Default value Display message
For all three options it is documented in the deter-
mination data (see dialog More determination
data / Messages), that the time interval has been
expired.