Metrohm tiamo 1.3 Manual - Manual (Page 516)

490 Method
Minimum evaluation
on, [ off ]
For the minimum measured value the associated time and temperature are
interpolated from the list of measuring points) (see Titration commands -
Evaluation - Minimum/Maximum evaluation).
Threshold value
0.1 ... [ 1.0 ] ... 20.0 pH/s
The evaluation of the minimum begins as soon as the slope of the curve
exceeds the threshold value.
Maximum evaluation
on, [ off ]
For the maximum measured value the associated time and temperature are
interpolated from the list of measuring points) (see Titration commands -
Evaluation - Minimum/Maximum evaluation).
Threshold value
0.1 ... [ 1.0 ] ... 20.0 pH/s
The evaluation of the maximum begins as soon as the slope of the curve
exceeds the threshold value.
Break point evaluation
on, [ off ] (Titrando only)
A breakpoint evaluation is used to determine sharp changes of direction in
the titration curve) (see Titration commands - Evaluation - Break point
evaluation).
EP criterion
0 ... [ 0.3 ] ... 1.0
Measure for the minimum sharpness of the break. The smaller the EP crite-
rion set, the more break points will be found. As this is a relative value re-
lated to the total measured value alteration, for a small measured value
range even small changes in the measured value can be evaluated as a
breakpoint.
Slope
0.0 ... [ 0.9 ] ... 10.0
Minimum difference between the slope before and after the breakpoint. The
smaller the difference, the more breakpoints will be found.
Smoothing factor
2 ... [ 5 ] ... 20
The higher the smoothing factor, the fewer breakpoints will be found.
Window
Measured value, Time, [ off ]
A range (window) can be defined on the measured value axis or on the time
axis. The break point evaluation will only be carried out in the defined win-
dow. Only the first break point in the defined window will be recognized.
Lower limit pH
[ -20.000 ] ... 20.000 (for Window = Measured value )
Measured value for the lower limit of the window.
Lower limit
[ 0 ] ... 999999 s (for Window = Time )
Time for the lower limit of the window.
Upper limit pH
-20.000 ... [ 20.000 ] (for Window = Measured value )
Measured value for the upper limit of the window.
Upper limit
0 ... [ 999999] s (for Window = Time )
Time for the upper limit of the window.