Hach-Lange DR 6000 User Manual - Manual (Page 117)

117
Expanded programs
6.7.3.1 Verification kit
The Verification Kit (refer to Section 9, Page 145 ) is designed for
periodic monitoring of scattered light, photometric accuracy and
the wavelength accuracy of the spectrophotometers.
When results exceed allowable tolerances (given in the quality
control certificate to the test record), contact the manufacturer.
1. Press Verification Kit in the "Optical Checks" menu.
2. Press Nominal Values.
3. Press Edit.
An automatic menu guidance queries values (filters,
wavelength, nominal values and tolerances) given in the
quality control certificate, to the following specifications:
• Stray light
• Photometrical accuracy
• Wavelength accuracy
4. Press OK when all values are entered and the overview is
displayed.
5. Press Verification.
6. Insert the universal cell adapter( Figure 3, Page 19 ) into the
cell compartment (2).
7. Remove any cells from the cell compartment.
8. Close the cell compartment cover.
9. Press Start.