Operation
XD 7500
96
ba77191e01 - 71310060
04/2018
* mandatory inputs
** Default setting:
Auto
Scaling
Auto
or
Manual
Scaling
:
Auto
**
The instrument adjusts the axis scaling (minimum
and maximum values of the axis) to the measure-
ment values during the measurement. The entire
line is always visible.
Scaling
:
Manual
Y-axis min
Y-axis max
The axis scaling (minimum and maximum values
of the axis) is specified manually.
Measurements/interval
1/interval
or
Max/interval
Here you define how many measurements are
carried out per interval.
This setting affects the calculation of the slope of
the individual intervals (seeSection 4.9.6 ).
Catalytic activity
(only for
Mode
:
Absor-
bance
)
Yes
or
No
Here you determine whether the catalytic activity
should be calculated.
The catalytic activity is a measure for the amount
of substance that is converted per time unit.
To accelerate the substance conversion, a cata-
lyst or enzyme (biological catalyst) is used in most
cases.
Carry out the measurement at room temperature.
Catalytic activity
:
Yes
Factor
Unit
Resolution
The catalytic activity or enzyme activity is calcu-
lated from the slope of the line.
You can enter the value for
Factor
here.
Together with the unit and resolution selected
here, the calculated value for the catalytic activity
is displayed on the
[Edit]
/
Slope & catalytic activity
menu.
Input field
Possible entries
Cat. A. = average value
Slope [
Δ
/min]Factor
