Polarimeter Optical Cell Alignment Motor

Precision stepper motor with encoder feedback for automatic alignment of optical cells in polarimeters measuring optical rotation (9027.10.20). Ensures accurate path length positioning. Electrical drive component classified under 9027.90.59.10.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8501.31.60Higher: 37.4% vs 35%

If generic DC motor without polarimeter specificity

General electric motors classify under Chapter 85 regardless of power rating.

9031.90Lower: 10% vs 35%

If parts for general optical profile projectors

Different measuring/checking instruments have separate parts provisions.

9027.90Same rate: 35%

If manual mechanical alignment mechanisms

Non-electrical positioning parts classify separately.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Specify step resolution, torque ratings, and encoder specifications

Include motor driver electronics compatibility documentation

Confirm CE marking and vibration tolerance for laboratory benchtop use

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