4 absorbance check, Advanced operations – Hach-Lange DR 3800 User Manual User Manual

Page 114

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Advanced Operations

6.8.3.4 Absorbance check

The Absorbance Check test is used to test the photometric
accuracy and repeatability of the instrument.

1. Press Absorbance Check in the Optical Checks menu.

2. Press

λ to input the wavelength.

3. Input the wavelength and press OK to confirm.

4. Remove any cuvette/sample cell from the cell compartment

and press Zero.

5. Insert sample cuvette/cell into the cell compartment and press

Read.

6. 10 Replicates of blanking and reading lead to results.

7. The result is displayed and is to be compared with the nominal

data of the sample cuvette/cell.

8. Press Cancel to return to Optical Checks.

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