Settings For Photometric Measurements - wtw pHotoFlex pH Operating Manual

Operation
Preparatory activities
Settings
36
Perform the following preparatory activities when you want to measure:
1 Clean the cells before filling them with sample and also before
measuring as necessary (see section 5.2.2).
The cells must be absolutely clean and free of scratches.
2 For measurement, place the pHotoFlex
surface.

4.5.2 Settings for photometric measurements

For photometric measurements, the following settings are available in
the Configuration / Photometry menu:
 Setting the measured parameter
 Displaying a list of all programs
 Setting the dilution factor
 Switching on or off the analysis timer
 Resetting the settings for photometric measurements
The settings can be found in the Configuration / Photometry menu.
To switch to the Configuration menu, press the <MENU> key.
Menu item
Measured parame-
ter
Programs
Dilution
Analysis timer
Reset
Setting Description
Concentration Measured parameters in
the Photometry measuring
% Transmission
mode
Absorbance
Display all programs with
the corresponding pro-
gram data (see
section 4.5.8).
Set the dilution factor (see
section 4.5.11)
On Switch on/off the analysis
timer (see section 4.5.9)
Off
Reset all settings for the
Photometry measuring
mode (see section 4.9.3)
®
pHotoFlex
®
pH on a horizontal
ba75975e05 10/2017
pH