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90 - optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
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90.01 - optical fibers - optical 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:
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90.02 - mirrors and lenses - lenses, 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:
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90.03 - eyewear frames - frames and mountings for spectacles, goggles or the like, and parts thereof:
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90.04 - eyewear - spectacles, goggles and the like, corrective, protective or other:
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90.05 - binoculars and telescopes - binoculars, monoculars, other optical telescopes, and mountings therefor; other astronomical instruments and mountings therefor, but not including instruments for radioastronomy; parts and accessories thereof:
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90.06 - cameras - photographic (other than cinematographic) cameras; photographic flashlight apparatus and flashbulbs other than discharge lamps of heading 8539; parts and accessories thereof:
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90.07 - video cameras - cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus; parts and accessories thereof:
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90.08 - image projectors - image projectors, other than cinematographic; photographic (other than cinematographic) enlargers and reducers; parts and accessories thereof:
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90.10 - photo lab equipment - apparatus and equipment for photographic (including cinematographic) laboratories, not specified or included elsewhere in this chapter; negatoscopes; projection screens; parts and accessories thereof:
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90.11 - microscopes - compound optical microscopes, including those for photomicrography, cinemicrography or microprojection; parts and accessories thereof:
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90.12 - non-optical microscopes - microscopes other than optical microscopes; diffraction apparatus; parts and accessories thereof:
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90.13 - lcds - liquid crystal devices not constituting articles provided for more specifically in other headings; lasers, other than laser diodes; other optical appliances and instruments, not specified or included elsewhere in this chapter; parts and accessories thereof:
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90.14 - compasses - direction finding compasses; other navigational instruments and appliances; parts and accessories thereof:
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90.15 - surveying equipment - surveying (including photogrammetrical surveying), hydrographic, oceanographic, hydrological, meteorological or geophysical instruments and appliances, excluding compasses; rangefinders; parts and accessories thereof:
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90.16 - balances -
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90.17 - drafting tools - drawing, markingout 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:
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90.18 - medical instruments - instruments and appliances used in medical, surgical, dental or veterinary sciences, including scintigraphic apparatus, other electromedical apparatus and sighttesting instruments; parts and accessories thereof:
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90.19 - therapeutic appliances - mechanotherapy appliances; massage apparatus; psychological aptitudetesting apparatus; ozone therapy, oxygen therapy, aerosol therapy, artificial respiration or other therapeutic respiration apparatus; parts and accessories thereof:
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90.20 - breathing appliances -
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90.21 - orthopedic appliances - orthopedic 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:
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90.22 - x-ray equipment - apparatus based on the use of xrays or of alpha, beta or gamma radiations, whether or not for medical, surgical, dental or veterinary uses, including radiography or radiotherapy apparatus, xray tubes and other xray generators, high tension generators, control panels and desks, screens, examination or treatment tables, chairs and the like; parts and accessories thereof:
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90.23 - instructional models -
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90.24 - tensile testing machines - machines 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:
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90.25 - hydrometers - hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments; parts and accessories thereof:
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90.26 - gas and liquid flow measuring instruments - instruments 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:
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90.27 - chemical analysis instruments - 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:
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90.28 - utility meters - gas, liquid or electricity supply or production meters, including calibrating meters thereof; parts and accessories thereof:
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90.29 - revolution counters - revolution 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:
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90.30 - oscilloscopes - oscilloscopes, 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, xray, cosmic or other ionizing radiations; parts and accessories thereof:
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90.31 - other measuring instruments - measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof:
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90.32 - thermostats - automatic regulating or controlling instruments and apparatus; parts and accessories thereof:
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90.33 - opto-electric instrument parts -
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90.51
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90.52
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90.71
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90.72
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90.82
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90.96
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