Hanna Instruments HI 88703 - Manual (Page 12)

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For indexing one cuvette or matching multiple cuvettes, the continuous reading mode is suggested.
In this mode multiple successive readings are taken without turning off the lamp. The turbidity is
immediately displayed, reducing considerably the measurement time.
Note: The instrument can not perform continuous readings if the average mode is on.
In order to index a cuvette follow the next steps:
• Fill the cuvette with high quality water (<0.1
NTU) up to the 10 mL mark.
• Clean and oil the cuvette as described before.
• Turn the instrument ON.
• Insert the cuvette into the instrument and press
the Read key. 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 the
Read key pressed to make continuous readings. After the first value is
displayed, open the lid and start rotating the cuvette until the lowest NTU value is displayed.