Metrohm tiamo 1.1 Manual User Manual

Page 363

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Commands

335

Lower limit pH

[ -20.000 ] ... 20.000

Lower limit for the measured value window.

Upper limit pH

-20.000 ... [ 20.000 ]

Upper limit for the measured value window.

EP criterion

0 ... [ 5 ] ... 200

Criterion for the recognition of equivalence points. Equivalence points
whose ERC is smaller than the set EP criterion will not be recognized.

EP recognition

Filter for the recognition of equivalence points (only Titrando):

first

Only the first equivalence point to be found will be recognized.

greatest

Only the equivalence point with the greatest ERC value, i.e. the steepest
jump, will be recognized.

last

Only the last equivalence point to be found will be recognized.

ascending

Only equivalence points with a positive slope of the titration curve will be
recognized.

descending

Only equivalence points with a negative slope of the titration curve will be

recognized.

Evaluation with volume window (mL)

on, [ off ]

(only Titrando)

With this option set up to nine regions (windows) can be defined on the
volume axis. Only those equivalence points which lie within these windows
and additionally meet the parameters defined for each window will be rec-

ognized. Per window only one EP will be recognized. The defined windows
with their parameters are shown in the table an can be edited with the fol-
lowing buttons:

Opens the dialog window

Volume window #

(see below) in which the pa-

rameters for a new window can be entered.

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