wtw pHotoFlex STD, Operating Manual

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Operation pHotoFlex
®
STD
34 ba75958d05 10/2017
Preparatory activities Perform the following preparatory activities when you want to measure:
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.
Settings
1 Clean the exterior of the cells before filling them with sample
and also before measuring as necessary (see section 5.2.2).
2 For measurement, place the pHotoFlex
®
STD on a horizontal
surface.
Menu item Setting Explanation
Meas. param. Concentration
% Transmission
Absorbance
Measured parameter
Programs Display all programs with
the corresponding pro-
gram data (see
section 4.5.8).
Dilution Set the dilution factor (see
section 4.5.11)
Analysis timer On
Off
Switch on/off the analysis
timer (see section 4.5.9)
Reset Reset all settings for pho-
tometric measurements
(see section 4.9)