Chapters › 9027

HTS 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

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
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Chapter 99 measures listing products under 9027

Lines under 9027

HTSDescriptionGeneralColumn 2
9027.10Gas or smoke analysis apparatus:
9027.10.20.00ElectricalFree40%
9027.10.40.00Optical instruments and apparatusFree50%
9027.10.60.00OtherFree40%
9027.20Chromatographs and electrophoresis instruments:
9027.20.50ElectricalFree40%
9027.20.50.30Electrophoresis instruments
9027.20.50.50Gas chromatographs
9027.20.50.60Liquid chromatographs
9027.20.50.80Other
9027.20.80OtherFree40%
9027.20.80.30Gas chromatographs
9027.20.80.60Liquid chromatographs
9027.20.80.90Other
9027.30Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared):
9027.30.40ElectricalFree40%
9027.30.40.40Spectrophotometers
9027.30.40.80Other
9027.30.80OtherFree50%
9027.30.80.20Spectroscopes
9027.30.80.80Other
9027.50Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared):
9027.50.10.00Exposure meters1.2%27.5%
9027.50.40ElectricalFree40%
9027.50.40.15Chemical analysis instruments and apparatus
9027.50.40.20Thermal analysis instruments and apparatus
9027.50.40.50Photometers
9027.50.40.60Other
9027.50.80OtherFree50%
9027.50.80.15Chemical analysis instruments and apparatus
9027.50.80.20Thermal analysis instruments and apparatus
9027.50.80.60Other
9027.81.00.00Mass spectrometersFree40%
9027.89Other:
9027.89.25.00Nuclear magnetic resonance instrumentsFree40%
9027.89.45ElectricalFree40%
9027.89.45.30Chemical analysis instruments and apparatus
9027.89.45.60Physical analysis instruments and apparatus
9027.89.45.90Other
9027.89.80OtherFree40%
9027.89.80.30Chemical analysis instruments and apparatus
9027.89.80.60Physical analysis instruments and apparatus
9027.89.80.90Other
9027.90Microtomes; parts and accessories:
9027.90.20.00MicrotomesFree40%
9027.90.45.00Printed circuit assemblies for the goods of subheading 9027.81 or 9027.89Free40%
9027.90.54.00Of electrophoresis instruments not incorporating an optical or other measuring deviceFree40%
9027.90.56Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89Free40%
9027.90.56.25Of articles of subheading 9027.20.50
9027.90.56.30Of articles of subheading 9027.30.40
9027.90.56.40Of articles of subheading 9027.50.10
9027.90.56.50Of articles of subheading 9027.50.40
9027.90.56.95Other
9027.90.59OtherFree40%
9027.90.59.10Of articles of subheading 9027.10.20
9027.90.59.95Other
9027.90.64.00Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89Free50%
9027.90.68.00OtherFree50%
9027.90.84.00Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89Free40%
9027.90.88.00OtherFree40%