Jenway 6850 User Manual
Page 20
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SECTION 6 – SPECTRUM
The spectrum measurement mode enables measurements of absorbance or % transmittance over a
range of wavelengths to be performed. The absorbance or % transmittance at each wavelength is
plotted graphically. Post measurement tools such as peaks/valleys, derivatives and spectral points
analysis can be performed. This operating mode can be used to partially characterise a sample.
6.1 SPECTRUM MODE SCREEN
Select the Spectrum Measurement icon on
the toolbar. The Spectrum measurement window
will open.
6.2
METHOD SETUP
The spectrum scan settings can be edited by
selecting the settings icon in the toolbar.
The options that can be changed are:-
1. Scan from (Highest Wavelength)
2. Scan to (Lowest Wavelength)
3. Scan Step (0.5, 1.0, 2.0, 4.0, 5.0nm)
4. Scan Precision (5, 10, 30, 50)
The required options can be entered directly or selected from the available options via the drop down
lists. Select OK to confirm.
6.3
SELECTING THE MEASUREMENT MODE
The required measurement mode can be selected from the available options of Abs and %T by
selecting the or icons on the toolbar.