2
Wavelength Calibration Adjustment, continued
DR/2010 Spectrophotometer Procedure
1. Empty the cell
compartment and close the
cover. Adjust the wavelength
to about 850 nm.
2. Press SHIFT SETUP/2 to
enter the Setup Menu. Press
the
DOWN ARROW twice to
access
Lamp:.Ifin
Momentary mode, press
ENTER then UP ARROW, then
ENTER again. If in Constant-
On mode, go to step 3.
3. Scroll to the Adjust nm
option with the
UP ARROW
key and press ENTER.The
display will show:
Peak Filter:
4. Press: ENTER.The
display will show:
Zero Required
5. Press: ENTER
The display will show:
100 %T Peak Filter
6. Insert the calibration
filter into the cell
compartment with the tab
facing right. Close the cover.
7. Slowly adjust the
wavelength by turning the
control counterclockwise.
Record the wavelength
where the % transmittance
reading is greatest.
8. Turn the wavelength
control clockwise so the
wavelength is at least 10 nm
higher than the wavelength
value recorded in step 7.
850 nm
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