Measurement Tips - Lovibond TB 350 Mode D'emploi

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  • FRANÇAIS, page 128
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Warning!

4.4.3 Measurement Tips

Indexing the vial: This is best performed with a vial that is filled with water that is filtered
through a 0.2 µm filter.
• Press Measurement button.
• Rotate the sample. While rotating the vial, identify the lowest reading.
• When position is determined, stop the measurement. Mark the vial. 
• Before proceeding with additional measurements, ensure measurement mode is
updated, as necessary. 
• Indexing the sample vial is recommended if there is a noticeable scratch or pit in the
glassware. 
 
Use of Silicone Oil
• Take care to handle the vial by the top third only.
• Wipe the vial with the supplied cleaning cloth to remove water, dust and fingerprints.
• Oil the outside of the vial with silicone oil.
• Place a very thin bead of silicone oil down the side of the vial. Evenly spread the
bead of oil over the bottom 2/3's of the vial.
• Wipe the silicone from the vial through rotation of the vial against a clean, dust-free
cloth.
• Oiling cells is critical and recommended when measuring samples with an expected
turbidity that is below 0.5 NTU.
 
22
4 Operation
6. Press measure button
Starts Measurement.
7. Data Log
Enter Data Log to save measurement.
8. Save measurement
If desired, press Save Button in order to create a
measurement log
9. Pause
Pauses the measurement in "continuous"
measurement mode.
• Do not bring any objects into the measuring chamber
except the cuvettes intended for the measurements.
• Do not bring any liquids into the chamber. 
EN   TB 350

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