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9. Technical Data
Measuring range
Scale devision
Resolution and accuracy
► A highly viscous solution could show a different refractive
index on the surface as on the bottom. The solutions should
always be well stirred and mixed.
► The solution must cover the larger part of the measuring
prism otherwise no clear light/dark division can be obtained.
This can, in particular, happen by quickly evaporating liquids
that remain a longer time between the measuring and the
illuminating prisms.
► To have optimal adhesion of the samples the prism must
always be kept clean.
► The instrument must not come in contact with dust, gases,
direct sunlight or dampness. It must always be used in an
horizontal position otherwise incorrect values will be mea-
sured.
Refractive index: 1.300 - 1.700 nD
dry substance: 0.0 - 95 %Brix
0.0005 nD
0.25 % Brix
0.0002 nD
0.1 %Brix
9. Technical Data
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