Refractometer Temperature Compensation Sensor

NTC thermistor sensor with signal conditioning circuitry for automatic temperature compensation in digital refractometers (9027.10.20). Ensures accurate refractive index readings across temperature ranges. Electrical accessory part per 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.

9025.19.80Same rate: 35%

If supplied as complete thermometer rather than accessory sensor

Standalone thermometers classify in temperature measuring instruments heading.

8533.40Lower: 10% vs 35%

If generic NTC thermistor sold separately

Variable resistors not principally for Chapter 90 apparatus classify as electrical components.

8479.89Lower: 12.5% vs 35%

If for general laboratory automation equipment

Parts of unspecified laboratory machines fall under machines NESOI.

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

Include temperature coefficient specifications and linearity data

Verify electrical interface compatibility with specific refractometer models

Package with anti-static protection and include ESD compliance statements

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