HS chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
Last updated
Key facts
- Chapter
- 90
- Description
- Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
- Headings
- 32
- Subheadings
- 143
- Edition
- HS2022
Summary
HS chapter 90 covers optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof. It has 32 headings, 90.01 to 90.33, and 143 six-digit subheadings in HS2022. National tariff lines under chapter 90 are live on border.bot for the United States (411 lines, also used by 1 other country).
What this chapter covers
HS chapter 90 covers optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof.
It has 32 headings, 90.01 to 90.33, and 143 six-digit subheadings in HS2022.
Subheadings 101 to 143 of 143, page 2 of 2.
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
- 9027.10Gas or smoke analysis apparatus
- 9027.20Chromatographs and electrophoresis instruments
- 9027.30Spectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible, IR)
- 9027.50Other instruments and apparatus using optical radiations (UV, visible, IR)
- 9027.81Other instruments and apparatus: Mass spectrometers
- 9027.89Other instruments and apparatus: Other
- 9027.90Microtomes; parts and accessories
90.30 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 90.28; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionising radiations
- 9030.10Instruments and apparatus for measuring or detecting ionising radiations
- 9030.20Oscilloscopes and oscillographs
- 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 device
- 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 device
- 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 device
- 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 device
- 9030.40Other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)
- 9030.82Other instruments and apparatus: For measuring or checking semiconductor wafers or devices (including integrated circuits)
- 9030.84Other instruments and apparatus: Other, with a recording device
- 9030.89Other instruments and apparatus: Other
- 9030.90Parts and accessories
90.31 Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors
- 9031.10Machines for balancing mechanical parts
- 9031.20Test benches
- 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)
- 9031.49Other optical instruments and appliances: Other
- 9031.80Other instruments, appliances and machines
- 9031.90Parts and accessories
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 90
What it doesn’t cover
Chapter 89, before it, covers ships, boats and floating structures; chapter 91, after it, covers clocks and watches and parts thereof.
How it is structured
Chapter 90 is the first level of the Harmonized System. Its headings add two digits to the chapter number (90.01), and each heading's subheadings add two more.
In other countries
National tariff lines under chapter 90 are live on border.bot for the United States (411 lines, also used by 1 other country).
- United States411 lines, used by 1 other country
Frequently asked questions
What does HS chapter 90 cover?
HS chapter 90 covers optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof.
How many headings and subheadings are in HS chapter 90?
HS chapter 90 has 32 headings and 143 six-digit subheadings in HS2022.
Which countries’ tariffs list national lines in HS chapter 90?
National tariff lines under chapter 90 are live on border.bot for the United States (411 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 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.