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In order to index a cuvette follow the next steps:
• Fill the cuvette with high quality water (<0.1
NTU) up to the line.
• Clean and oil the cuvette as described before.
• Turn the instrument ON.
• Insert the cuvette into the instrument and press
READ u. Record the reading.
• Open the instrument lid, slightly rotate the
cuvette and take a new reading.
• Repeat the last step until you read the lowest
NTU value. Alternatively, keep READ u pressed
and, after the first value is displayed, open the
lid and start rotating the cuvette until the
lowest NTU value is displayed.
• Mark this position on the thicker white band on
the top of the cuvette with a water resistant
pencil.
• Always use this position to align it with the
sign on the instrument top.
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