90
Section XVIII · Instruments, clocks and musical instruments
Optical, photographic, measuring, medical or surgical instruments
143 subheadings in 32 headings. Open one for the published General, Special and Column 2 rates of every tariff line beneath it.
9001Optical fibers and optical fiber bundles; optical fiber cables other than those of heading 8544; sheets and plates of polarizing material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked
9002Lenses, prisms, mirrors and other optical elements, of any material, mounted, being parts of or fittings for instruments or apparatus, other than such elements of glass not optically worked; parts and accessories thereof
9003Frames and mountings for spectacles, goggles or the like, and parts thereof
9004Spectacles, goggles and the like, corrective, protective or other
9005Binoculars, monoculars, other optical telescopes, and mountings therefor; other astronomical instruments and mountings therefor, but not including instruments for radio-astronomy; parts and accessories thereof
9006Photographic (other than cinematographic) cameras; photographic flashlight apparatus and flashbulbs other than discharge lamps of heading 8539; parts and accessories thereof
- 9006.30Cameras specially designed for underwater use, for aerial survey, or for medical or surgical examination of internal organs; comparison cameras for forensic or criminological purposes
- 9006.40Instant print cameras:
- 9006.53For roll film of a width of 35 mm
- 9006.59Other:
- 9006.61Discharge lamp ("electronic") flashlight apparatus
- 9006.69Other
- 9006.91For cameras
- 9006.99Other
9007Cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus; parts and accessories thereof
9008Image projectors, other than cinematographic; photographic (other than cinematographic) enlargers and reducers; parts and accessories thereof
9010Apparatus and equipment for photographic (including cinematographic) laboratories, not specified or included elsewhere in this chapter; negatoscopes; projection screens; parts and accessories thereof
- 9010.10Apparatus and equipment for automatically developing photographic (including cinematographic) film or paper in rolls or for automatically exposing developed film to rolls of photographic paper
- 9010.50Other apparatus and equipment for photographic (including cinematographic) laboratories; negatoscopes:
- 9010.60Projection screens
- 9010.90Parts and accessories:
9011Compound optical microscopes, including those for photomicrography, cinemicrography or microprojection; parts and accessories thereof
9012Microscopes other than optical microscopes; diffraction apparatus; parts and accessories thereof
9013Lasers, other than laser diodes; other optical appliances and instruments, not specified or included elsewhere in this chapter
9014Direction finding compasses; other navigational instruments and appliances; parts and accessories thereof
9015Surveying (including photogrammetrical surveying), hydrographic, oceanographic, hydrological, meteorological or geophysical instruments and appliances, excluding compasses; rangefinders; parts and accessories thereof
9016Balances of a sensitivity of 5 cg or better, with or without weights; parts and accessories thereof
9017Drawing, marking-out or mathematical calculating instruments (for example, drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators); instruments for measuring length, for use in the hand (for example, measuring rods and tapes, micrometers, calipers), not specified or included elsewhere in this chapter; parts and accessories thereof
9018Instruments and appliances used in medical, surgical, dental or veterinary sciences, including scintigraphic apparatus, other electro-medical apparatus and sight-testing instruments; parts and accessories thereof
- 9018.11Electrocardiographs, and parts and accessories thereof:
- 9018.12Ultrasonic scanning apparatus
- 9018.13Magnetic resonance imaging apparatus
- 9018.14Scintigraphic apparatus
- 9018.19Other:
- 9018.20Ultraviolet or infrared ray apparatus, and parts and accessories thereof
- 9018.31Syringes, with or without needles; parts and accessories thereof
- 9018.32Tubular metal needles and needles for sutures and parts and accessories thereof
- 9018.39Other
- 9018.41Dental drill engines, whether or not combined on a single base with other dental equipment, and parts and accessories thereof
- 9018.49Other:
- 9018.50Other ophthalmic instruments and appliances and parts and accessories thereof
- 9018.90Other instruments and appliances and parts and accessories thereof:
9019Mechano-therapy appliances; massage apparatus; psychological aptitude-testing apparatus; ozone therapy, oxygen therapy, aerosol therapy, artificial respiration or other therapeutic respiration apparatus; parts and accessories thereof
9020Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof
9021Orthopedic appliances, including crutches, surgical belts and trusses; splints and other fracture appliances; artificial parts of the body; hearing aids and other appliances which are worn or carried, or implanted in the body, to compensate for a defect or disability; parts and accessories thereof
- 9021.10Orthopedic or fracture appliances, and parts and accessories thereof
- 9021.21Artificial teeth and parts and accessories thereof:
- 9021.29Other:
- 9021.31Artificial joints and parts and accessories thereof
- 9021.39Other
- 9021.40Hearing aids, excluding parts and accessories thereof
- 9021.50Pacemakers for stimulating heart muscles, excluding parts and accessories thereof
- 9021.90Other:
9022Apparatus based on the use of X-rays or of alpha, beta, gamma or other ionizing radiations, whether or not for medical, surgical, dental or veterinary uses, including radiography or radiotherapy apparatus, X-ray tubes and other X-ray generators, high tension generators, control panels and desks, screens, examination or treatment tables, chairs and the like; parts and accessories thereof
9023Instruments, apparatus and models, designed for demonstrational purposes (for example, in education or exhibitions), unsuitable for other uses, and parts and accessories thereof
9024Machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics), and parts and accessories thereof
9025Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments; parts and accessories thereof
9026Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flow meters, level gauges, manometers, heat meters), excluding instruments and apparatus of heading 9014, 9015, 9028 or 9032; parts and accessories thereof
9027Instruments 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
- 9027.10Gas or smoke analysis apparatus:
- 9027.20Chromatographs and electrophoresis instruments:
- 9027.30Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared):
- 9027.50Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared):
- 9027.81Mass spectrometers
- 9027.89Other:
- 9027.90Microtomes; parts and accessories:
9028Gas, liquid or electricity supply or production meters, including calibrating meters thereof; parts and accessories thereof
9029Revolution counters, production counters, taximeters, odometers, pedometers and the like; speedometers and tachometers, other than those of heading 9014 or 9015; stroboscopes; parts and accessories thereof
9030Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:
- 9030.10Instruments and apparatus for measuring or detecting ionizing radiations
- 9030.20Oscilloscopes and oscillographs:
- 9030.31Multimeters, without a recording device
- 9030.32Multimeters, with a recording device
- 9030.33Other, without a recording device:
- 9030.39Other, with a recording device
- 9030.40Other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)
- 9030.82For measuring or checking semiconductor wafers or devices (including integrated circuits)
- 9030.84Other, with a recording device
- 9030.89Other
- 9030.90Parts and accessories:
9031Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof
- 9031.10Machines for balancing mechanical parts
- 9031.20Test benches
- 9031.41For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)
- 9031.49Other:
- 9031.80Other instruments, appliances and machines:
- 9031.90Parts and accessories:
9032Automatic regulating or controlling instruments and apparatus; parts and accessories thereof
9033Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of chapter 90
Source: U.S. International Trade Commission (USITC) — 2026 HTS Revision 12, released 2026-07-21. Listed rates are not always the rate collected — verify with your licensed customs broker.