Hach-Lange DR 6000 User Manual - Manual (Page 121)

121
Expanded programs
The mean value is calculated from three consecutive
absorbance measurements.
The result will be displayed.
9. Compare the result with the required value from the analysis
cell.
10. Press Cancel to return to Optical Checks.
6.7.3.5 Absorbance Check
With the absorbance check the photometric accuracy and
repeatability of the device is checked.
1. Press Absorbance Check in the "Optical Checks" menu.
2. Press λ to enter the wavelength.
3. Press OK to confirm.
4. Remove any cells from the cell compartment.
5. Close the cell compartment cover.
6. Press Zero.
7. Place the analysis cell in the cell compartment.
8. Close the cell compartment cover.
9. Press Read.
10. Remove the analysis cell.
11. Close the cell compartment cover.
12. Press Zero.
13. Place the analysis cell in the cell compartment.
14. Close the cell compartment cover.
15. Press Read.
16. Repeat this procedure until 5 comparison measurements
have been obtained.
The result will be displayed.
17. Compare the result with the analysis cell required values.
18. Press Cancel to return to Optical Checks.