General information – Hach-Lange FP 360 sc User Manual User Manual
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General information
3. Cover the sensor measurement window with a sheet of white paper (do not use
recycled paper).
4. Vary the distance between the measurement window and the paper.
The measurement value on the display will change accordingly.
Note: In air, the measurement value displayed is not exactly zero due to reflections on the window
surface (refer to section
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