Water I.D. Primelab 2.0, Руководство пользователя

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Settings
• Hardware problem: In very rare cases, failed indexing can also be due to a hardware problem, e.g.
a defective LED or a sensor that is not working properly. If all of the previously mentioned solutions
have not helped to successfully perform indexing, please contact your PrimeLab 2.0 dealer.
Indexing can be incorrect for a few reasons:
• Wrong solution: Make sure that you use a solution below 0.5 NTU.
• The light passage in the measuring chamber (PrimeLab 2.0) is dirty or wet: Make sure that the
transparent part (behind the cuvette adapter) is clean and that the cuvettes used have no
fingerprints, dirt or scratches. Make sure that the marking points on the lid of the cuvette match the
arrow on the measuring chamber of the PrimeLab 2.0. The PrimeLab emits light (LED) from one side
of the measurement chamber through the measurement chamber to the sensor(s) on the opposite
side or at a 90° angle. Any interference (dirt, fingerprints, scratches) will affect the light beam (lower
transmission) and result in incorrect readings and therefore incorrect or failed indexing.
Possible sources of error
Produce turbidity-free water:
Please use min. 1 litre of dilution water (distilled/demineralized/deionized). If the turbidity of the
dilution water is above 0.5 NTU (FNU), the water must be filtered with a sample filter or membrane
filter (0.1 μm). Please clean already used cuvettes with 1:1 dilution hydrochloric acid/dest. Water
and rinse them thoroughly several times with dilution water.
5. Continue until all 7 indexing points have
measured (diagram). You will be guided by
the PrimeLab 2.0.
been measured. indexing points have been
7. For subsequent measurements, insert the cuvette so that the marking point of the cuvette is
aligned with the arrow of the instrument.
T
2
•
M
T
1
6. After successful indexing, the cuvette lid, the smallest indexed value and the index of the ideal
position are shown in green on the display. Mark the cuvette (not the lid!) at the position of the index
of the ideal position, e.g. with a waterproof pen. Important: Place your mark above the 10ml line,
otherwise the mark will influence your measurement! Press "Done".
H
0
(Zero)
L
24
PrimeLab
2.0
⚙