# United States tariff lines under HS 9027.50

> The United States tariff splits HS 9027.50 (other instruments and apparatus using optical radiations (UV, visible, IR)) into 8 national lines: 9027.50.10.00 (exposure meters), 9027.50.40.15 (chemical analysis instruments and apparatus), 9027.50.40.20 (thermal analysis instruments and apparatus), 9027.50.40.50 (photometers) and 4 others. The general (MFN) duty differs by line: 1.2% on 9027.50.10.00, free on 9027.50.40.15, free on 9027.50.40.20, free on 9027.50.40.50, free on 9027.50.40.60, free on 9027.50.80.15, free on 9027.50.80.20 and free on 9027.50.80.60.

Source: https://border.bot/countries/united-states/hs-codes/902750
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 90](https://border.bot/countries/united-states/hs-codes/90) / [9027.50](https://border.bot/countries/united-states/hs-codes/902750)

## Key facts

- HS subheading: [9027.50](https://border.bot/hs-codes/902750)
- National lines: 8
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

## United States lines under 9027.50

The United States tariff splits HS 9027.50 (other instruments and apparatus using optical radiations (UV, visible, IR)) into 8 national lines: 9027.50.10.00 (exposure meters), 9027.50.40.15 (chemical analysis instruments and apparatus), 9027.50.40.20 (thermal analysis instruments and apparatus), 9027.50.40.50 (photometers) and 4 others.

The general (MFN) duty differs by line: 1.2% on 9027.50.10.00, free on 9027.50.40.15, free on 9027.50.40.20, free on 9027.50.40.50, free on 9027.50.40.60, free on 9027.50.80.15, free on 9027.50.80.20 and free on 9027.50.80.60.

- [9027.50.10.00](https://border.bot/countries/united-states/hs-codes/9027501000) Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared), Exposure meters. Duty (MFN): 1.2%
- [9027.50.40.15](https://border.bot/countries/united-states/hs-codes/9027504015) Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared), Other, Electrical, Chemical analysis instruments and apparatus. Duty (MFN): free
- [9027.50.40.20](https://border.bot/countries/united-states/hs-codes/9027504020) Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared), Other, Electrical, Thermal analysis instruments and apparatus. Duty (MFN): free
- [9027.50.40.50](https://border.bot/countries/united-states/hs-codes/9027504050) Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared), Other, Electrical, Photometers. Duty (MFN): free
- [9027.50.40.60](https://border.bot/countries/united-states/hs-codes/9027504060) Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared), Other, Electrical, Other. Duty (MFN): free
- [9027.50.80.15](https://border.bot/countries/united-states/hs-codes/9027508015) Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared), Other, Other, Chemical analysis instruments and apparatus. Duty (MFN): free
- [9027.50.80.20](https://border.bot/countries/united-states/hs-codes/9027508020) Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared), Other, Other, Thermal analysis instruments and apparatus. Duty (MFN): free
- [9027.50.80.60](https://border.bot/countries/united-states/hs-codes/9027508060) Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared), Other, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 9027.50 yet.

- [The Harmonized System text for 9027.50](https://border.bot/hs-codes/902750)

- Previous subheading: [9027.30](https://border.bot/countries/united-states/hs-codes/902730) Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared)
- Next subheading: [9027.81](https://border.bot/countries/united-states/hs-codes/902781) 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

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9027.50?

The United States tariff splits HS 9027.50 (other instruments and apparatus using optical radiations (UV, visible, IR)) into 8 national lines: 9027.50.10.00 (exposure meters), 9027.50.40.15 (chemical analysis instruments and apparatus), 9027.50.40.20 (thermal analysis instruments and apparatus), 9027.50.40.50 (photometers) and 4 others.

### What is the duty on HS 9027.50 in the United States?

The general (MFN) duty differs by line: 1.2% on 9027.50.10.00, free on 9027.50.40.15, free on 9027.50.40.20, free on 9027.50.40.50, free on 9027.50.40.60, free on 9027.50.80.15, free on 9027.50.80.20 and free on 9027.50.80.60.

## 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:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/902750.json