What factors can cause errors in turbidity measurement with the VN3100 Portable Turbidimeter?

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For more accurate measurement results, use the VN3100 Portable Turbidimeter correctly as follows:

1. Condition of the sample cell

2. Ensure the sample cell is properly matched

3. Remove air bubbles from the water sample

4. Complete the measurement within a few minutes

5. Calibrate with standards and the instrument