Hach Portable Spectrophotometer DR 2800, User Manual

Page: 102 / 126

102
Advanced Operations
6.7.3.4 Verification kit
The Verification Kit, LZV537, (see Section 9 on page 119 ) 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), 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 adapter A ( Figure 4 on page 15 ) in cell
compartment #2.