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Instruction Manual MA882, MA883, MA884 & MA885 Refractometers
for Wine and Grape Product Measurements
MEASUREMENT GUIDELINES
•
Handle instrument carefully. Do not drop.
•
Do not immerse instrument under water.
•
Do not spray water to any part of instrument except the “sample well” located over the
prism.
•
The instrument is intended to measure grape/wine solutions. Do not expose instrument
or prism to solvents that will damage it. This includes most organic solvents and
extremely hot or cold solutions.
•
Particulate matter in a sample may scratch the prism. Absorb sample with a soft tissue
and rinse sample well with deionized or distilled water between samples.
•
Use plastic pipettes to transfer all solutions. Do not use metallic tools such as needles,
spoons or tweezers as these will scratch the prism.
•
Cover sample well with hand if measuring in direct sun.
