Refractometer Prism Assembly
Optical prism and electrical readout assembly for refractometers measuring liquid concentrations. Part for instruments of 9027.20 (chromatographs, refractometers). Electrical component qualifies for 9027.90.56.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as standalone optical glass elements
Glass prisms for general laboratory use without electrical components classify under Chapter 70.
If for non-chemical liquid analysis
Parts of other liquid-measuring optical instruments go to 9013.
If non-electrical prism components
Mechanical/optical parts without electrical features have different suffix.
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Import Tips & Compliance
• Specify refractive index range and electrical interface type in commercial invoice
• Include material composition (sapphire/glass) to avoid glass article misclassification
• Test for optical precision standards before import to support tariff claims
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