Chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
HTS heading 9027: Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysi…
61 numbered lines under heading 9027, including 44 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 9027 | 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: | ||||
| 9027.10 | Gas or smoke analysis apparatus: | ||||
| 9027.10.20.00 | Electrical | kg, No. | Free | 40% | |
| Other: | |||||
| 9027.10.40.00 | Optical instruments and apparatus | kg | Free | 50% | |
| 9027.10.60.00 | Other | kg | Free | 40% | |
| 9027.20 | Chromatographs and electrophoresis instruments: | ||||
| 9027.20.50 | Electrical | Free | 40% | ||
| 9027.20.50.30 | Electrophoresis instruments | No. | |||
| 9027.20.50.50 | Gas chromatographs | No. | |||
| 9027.20.50.60 | Liquid chromatographs | No. | |||
| 9027.20.50.80 | Other | No. | |||
| 9027.20.80 | Other | Free | 40% | ||
| 9027.20.80.30 | Gas chromatographs | No. | |||
| 9027.20.80.60 | Liquid chromatographs | No. | |||
| 9027.20.80.90 | Other | No. | |||
| 9027.30 | Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared): | ||||
| 9027.30.40 | Electrical | Free | 40% | ||
| 9027.30.40.40 | Spectrophotometers | No. | |||
| 9027.30.40.80 | Other | No. | |||
| 9027.30.80 | Other | Free | 50% | ||
| 9027.30.80.20 | Spectroscopes | No. | |||
| 9027.30.80.80 | Other | No. | |||
| 9027.50 | Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared): | ||||
| 9027.50.10.00 | Exposure meters | No. | 1.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 27.5% |
| Other: | |||||
| 9027.50.40 | Electrical | Free | 40% | ||
| 9027.50.40.15 | Chemical analysis instruments and apparatus | No. | |||
| 9027.50.40.20 | Thermal analysis instruments and apparatus | No. | |||
| 9027.50.40.50 | Photometers | No. | |||
| 9027.50.40.60 | Other | No. | |||
| 9027.50.80 | Other | Free | 50% | ||
| 9027.50.80.15 | Chemical analysis instruments and apparatus | No. | |||
| 9027.50.80.20 | Thermal analysis instruments and apparatus | No. | |||
| 9027.50.80.60 | Other | No. | |||
| Other instruments and apparatus: | |||||
| 9027.81.00.00 | Mass spectrometers | No. | Free | 40% | |
| 9027.89 | Other: | ||||
| 9027.89.25.00 | Nuclear magnetic resonance instruments | No. | Free | 40% | |
| Other: | |||||
| 9027.89.45 | Electrical | Free | 40% | ||
| 9027.89.45.30 | Chemical analysis instruments and apparatus | kg | |||
| 9027.89.45.60 | Physical analysis instruments and apparatus | kg | |||
| 9027.89.45.90 | Other | kg | |||
| 9027.89.80 | Other | Free | 40% | ||
| 9027.89.80.30 | Chemical analysis instruments and apparatus | kg | |||
| 9027.89.80.60 | Physical analysis instruments and apparatus | kg | |||
| 9027.89.80.90 | Other | kg | |||
| 9027.90 | Microtomes; parts and accessories: | ||||
| 9027.90.20.00 | Microtomes | No. | Free | 40% | |
| Parts and accessories: | |||||
| Of electrical instruments and apparatus: | |||||
| 9027.90.45.00 | Printed circuit assemblies for the goods of subheading 9027.81 or 9027.89 | No. | Free | 40% | |
| Other: | |||||
| 9027.90.54.00 | Of electrophoresis instruments not incorporating an optical or other measuring device | kg | Free | 40% | |
| 9027.90.56 | Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 | Free | 40% | ||
| 9027.90.56.25 | Of articles of subheading 9027.20.50 | kg | |||
| 9027.90.56.30 | Of articles of subheading 9027.30.40 | kg | |||
| 9027.90.56.40 | Of articles of subheading 9027.50.10 | kg | |||
| 9027.90.56.50 | Of articles of subheading 9027.50.40 | kg | |||
| 9027.90.56.95 | Other | kg | |||
| 9027.90.59 | Other | Free | 40% | ||
| 9027.90.59.10 | Of articles of subheading 9027.10.20 | kg | |||
| 9027.90.59.95 | Other | kg | |||
| Other: | |||||
| Of optical instruments and apparatus: | |||||
| 9027.90.64.00 | Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 | kg | Free | 50% | |
| 9027.90.68.00 | Other | kg | Free | 50% | |
| Other: | |||||
| 9027.90.84.00 | Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 | kg | Free | 40% | |
| 9027.90.88.00 | Other | kg | Free | 40% |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.