US Import Duty

HTS 9027.50.40 Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof › Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared) › Exposure meters › Electrical

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Official US import duty Free

HTS code 9027.50.40 covers "Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof › Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared) › Exposure meters › Electrical" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.

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Related HTS codes

9027.10.20.00 Electrical Free9027.10.40.00 Optical instruments and apparatus Free9027.10.60.00 Other Free9027.20.50 Electrical Free9027.20.80 Other Free9027.30.40 Electrical Free9027.30.80 Other Free9027.50.10.00 Exposure meters 1.2%9027.50.80 Other Free9027.81.00.00 Mass spectrometers Free9027.89.25.00 Nuclear magnetic resonance instruments Free9027.89.45 Electrical Free

U.S. exports of Instruments and apparatus for physical or chemical analysis

The United States exported $10.4 billion of goods under HS heading 9027 in 2025, to 205 countries and territories. Top destination markets:

CountryExports 2025YTD
China$1.2 billion▼ −28%
Netherlands$1.2 billion▲ +6.0%
Germany$960 million▲ +0.7%
Canada$775 million▼ −0.5%
Singapore$713 million▼ −6.7%

January–July 2026: $5.9 billion (▼ −3.3%)

All markets and states for this product →

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. Source: U.S. Census Bureau, International Trade data (census.gov/foreign-trade), FAS value in current U.S. dollars, latest month July 2026. Change vs the same months of the previous year: Fromerica calculation.

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Official US tariff data (USITC), refreshed daily.Last checked against the official schedule: . See recent US tariff changes →