wtw photoLab 7100 VIS, Руководство по эксплуатации

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Operation photoLab
®
7100 VIS
24 ba77095e03 10/2017
4.3 Zero adjustment
A valid zero adjustment is required for the calculation of measured values in
the modes,
Concentration , Absorbance / % Transmission , Special / Multi
wavelengths , Kinetics and OptRF. With a zero adjustment, the absorbance
of a cell filled with distilled water ("zero cell") is measured and stored.
Factory zero
adjustment for
concentration
measurements
For all measurements with WTW test sets ( Concentration mode), a factory
zero adjustment is available in the delivery condition. We recommend replac-
ing it with a zero adjustment of your own. If a zero adjustment exists already
for a method, the date and time of the last zero adjustment are displayed in
the top right area of the display.
Zero adjustment for
absorbance mea-
surements
In the Absorbance mode, the zero adjustment has to be carried out sepa-
rately for each cell type and each used wavelength. If a zero adjustment
exists already for the inserted cell type at the selected wavelength, the date
and time of the last zero adjustment are displayed in the top right area of the
display.
Details on the minimum filling level and minimum filling volume
are given in chapter 7 T
ECHNICAL DATA
.
Concentration 16.01.15 9:52
[ZERO 15.01.15 11:11]
Please select method for measuring
or insert a barcoded cell
or insert AutoSelector.
Setup
Method list Last method New Method
Absorbance 16.01.15 9:52
[ZERO 15.01.15 11:11]
To start measurement,
insert cell or press <START/ENTER>
525 nm 10 mm
Setup Wavelength Transmission Reference