Xylem photoLab 6600 UV-VIS - Manual (Page 38)

Operation photoLab
®
6600 UV-VIS
38 ba75848e01 08/2009
Note
Ordering information is given in chapter 8 A
CCESSORIES AND OPTIONS . The
cells listed in the chapter 8 A CCESSORIES AND OPTIONS are especially adapted
to the WTW test set program. General requirements of the cells are given in
chapter 7 T
ECHNICAL DATA . Note that the spectral transparency of the cell
must be suitable for the intended application (example, quartz cell for UV
range).
Carrying out a zero
adjustment
The zero adjustment takes place similarly in the Concentration, Absorbance
/ % Transmission, Multi wavelengths and Kinetics modes.
1 In the respective mode, press the
<ZERO·BLANK> key.
2 In Concentration mode only:
Select and confirm Zero
adjustment.
The zero adjustment window pops
up.
3 Close the inner turn-up lid.
4 Depending on the cell type, insert
the zero cell as follows:
Round cell:
Insert the round cell in the round
cell shaft so it touches the bottom.
If the inner turn-up lid is opened
too wide, a message prompts you
to close the inner turn-up lid.
Concentration 04/16/07 9:52
3: A6/25 NH
4
-N
16 mm 0.20 - 8.00 mg/l
Setup Method list Citation form Unit
Adjust
Blank value
Zero adjustment
Zero adjustment 04/16/07 9:52
Please insert zero cell (distilled water)
or press <Start/Enter>
Zero cell
(H O dist.)
2
inner
turn-up lid