United States tariff, chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
Last updated
Key facts
- National lines
- 411
- Subheadings
- 141
- Tariff
- United States
- Chapter
- 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
Summary
The United States tariff has 411 national lines in HS chapter 90 (optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof), under 141 subheadings in 32 headings.
Subheadings with United States lines
The United States tariff has 411 national lines in HS chapter 90 (optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof), under 141 subheadings in 32 headings.
Subheadings 101 to 141 of 141, page 2 of 2.
90.26 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
90.27 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
- 9027.10Gas or smoke analysis apparatus3 lines
- 9027.20Chromatographs and electrophoresis instruments7 lines
- 9027.30Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR)4 lines
- 9027.50Other instruments and apparatus using optical radiations (UV, visible, IR)8 lines
- 9027.81Other instruments and apparatus: Mass spectrometers1 line
- 9027.89Other instruments and apparatus: Other7 lines
- 9027.90Microtomes; parts and accessories14 lines
90.28 Gas, liquid or electricity supply or production meters, including calibrating meters thereof; parts and accessories thereof
90.29 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
90.30 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, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:
- 9030.10Instruments and apparatus for measuring or detecting ionising radiations1 line
- 9030.20Oscilloscopes and oscillographs2 lines
- 9030.31Other instruments and apparatus, for measuring or checking voltage, current, resistance or power (other than those for measuring or checking semiconductor wafers or devices): Multimeters without a recording device1 line
- 9030.32Other instruments and apparatus, for measuring or checking voltage, current, resistance or power (other than those for measuring or checking semiconductor wafers or devices): Multimeters with a recording device1 line
- 9030.33Other instruments and apparatus, for measuring or checking voltage, current, resistance or power (other than those for measuring or checking semiconductor wafers or devices): Other, without a recording device2 lines
- 9030.39Other instruments and apparatus, for measuring or checking voltage, current, resistance or power (other than those for measuring or checking semiconductor wafers or devices): Other, with a recording device1 line
- 9030.40Other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)1 line
- 9030.82Other instruments and apparatus: For measuring or checking semiconductor wafers or devices (including integrated circuits)1 line
- 9030.84Other instruments and apparatus: Other, with a recording device1 line
- 9030.89Other instruments and apparatus: Other1 line
- 9030.90Parts and accessories13 lines
90.31 Measuring 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 parts1 line
- 9031.20Test benches1 line
- 9031.41Other optical instruments and appliances: For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)3 lines
- 9031.49Other optical instruments and appliances: Other4 lines
- 9031.80Other instruments, appliances and machines4 lines
- 9031.90Parts and accessories8 lines
90.32 Automatic regulating or controlling instruments and apparatus; parts and accessories thereof
90.33 Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of Chapter 90
- 9033.00Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of Chapter 903 lines
In other countries
No other national tariff on border.bot has live lines under chapter 90 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have in HS chapter 90?
The United States tariff has 411 national lines in HS chapter 90 (optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof), under 141 subheadings in 32 headings.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: