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8.0 SAMPLE READING
A. Clean and dry the prism and well with a soft wipe,
which will leave no residue and recommended
cleaning agents, soap and warm water, Methanol or
Isopropyl Alcohol followed by distilled water.
B. Add enough of the sample to cover prism surface
and allow adequate time for sample to temperature
equilibrate to prism/well.
C. Press “READ”.
D. Note value on display.
E. Reference directions in “Set Up” section to switch
between the four modes of measurement:
1. nD
2. Brix
3. nD - TC
4. Brix-TC
F. Compare reading to known value. Note any
difference in well temperature from sample reference
temperature and adjust refractive index reading
mathematically from the “Refractive Index”
displayed value, reference section 6.1.
1.3330 nD - TC
20.0
o
C
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