Optical, Photographic, Medical Instruments · 15 pending regulations · 15 court cases · $513.9M monthly imports · 100% from 1 countries · Updated daily from USITC
General
Free
Special
Free
Column 2
Free
Trade Agreement Eligibility
Monthly Imports
$513.9M
2026-01
Trade Concentration
100%
from top 3 of 1 origins
Regulatory Pressure
HIGH
1 rulings — · 15 reg · 10 CIT, 5 CAFC (4 recent)
Global Rates
🇺🇸 Free
🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: N/A · 🇧🇷 Brazil: N/A
Compare All →
Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, Federal Register, CourtListener · As of 2026-04-28 · Updates monthly
This code has elevated regulatory activity — 1 CBP rulings (0 in last 2 years, trend: stable), 15 pending Federal Register actions, and 15 CIT/CAFC cases.
100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.
This is a high-volume import code — $514M in monthly US imports. Duty rate changes or trade remedy actions on this code have significant economic impact.
List 1 — ~$34B of Chinese goods (machinery, electronics, industrial components)
Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.
Effective 2018-07-06
These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →
| Code | Description | Rate |
|---|---|---|
| 9027.10 | Gas or smoke analysis apparatus: | — |
| 9027.10.20.00 | Electrical | Free |
| 9027.10.40.00 | Optical instruments and apparatus | Free |
| 9027.10.60.00 | Other | Free |
| 9027.20 | Chromatographs and electrophoresis instruments: | — |
| 9027.20.50 | Electrical | Free |
| 9027.20.50.30 | Electrophoresis instruments | — |
| 9027.20.50.50 | Gas chromatographs | — |
| 9027.20.50.60 | Liquid chromatographs | — |
| 9027.20.50.80 | Other | — |
| 9027.20.80 | Other | Free |
| 9027.20.80.30 | Gas chromatographs | — |
| 9027.20.80.60 | Liquid chromatographs | — |
| 9027.20.80.90 | Other | — |
| 9027.30 | Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared): | — |
| 9027.30.40 | Electrical | Free |
| 9027.30.40.40 | Spectrophotometers | — |
| 9027.30.40.80 | Other | — |
| 9027.30.80 | Other | Free |
| 9027.30.80.20 | Spectroscopes | — |
| 9027.30.80.80 | Other | — |
| 9027.50 | Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared): | — |
| 9027.50.10.00 | Exposure meters | 1.2% |
| 9027.50.40 | Electrical | Free |
| 9027.50.40.15 | Chemical analysis instruments and apparatus | — |
| 9027.50.40.20 | Thermal analysis instruments and apparatus | — |
| 9027.50.40.50 | Photometers | — |
| 9027.50.40.60 | Other | — |
| 9027.50.80 | Other | Free |
| 9027.50.80.15 | Chemical analysis instruments and apparatus | — |
| 9027.50.80.20 | Thermal analysis instruments and apparatus | — |
| 9027.50.80.60 | Other | — |
| 9027.81.00.00 | Mass spectrometers | Free |
| 9027.89 | Other: | — |
| 9027.89.25.00 | Nuclear magnetic resonance instruments | Free |
| 9027.89.45 | Electrical | Free |
| 9027.89.45.30 | Chemical analysis instruments and apparatus | — |
| 9027.89.45.60 | Physical analysis instruments and apparatus | — |
| 9027.89.45.90 | Other | — |
| 9027.89.80 | Other | Free |
| 9027.89.80.30 | Chemical analysis instruments and apparatus | — |
| 9027.89.80.60 | Physical analysis instruments and apparatus | — |
| 9027.89.80.90 | Other | — |
| 9027.90 | Microtomes; parts and accessories: | — |
| 9027.90.20.00 | Microtomes | Free |
| 9027.90.45.00 | Printed circuit assemblies for the goods of subheading 9027.81 or 9027.89 | Free |
| 9027.90.54.00 | Of electrophoresis instruments not incorporating an optical or other measuring device | Free |
| 9027.90.56 | Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 | Free |
| 9027.90.56.25 | Of articles of subheading 9027.20.50 | — |
| 9027.90.56.30 | Of articles of subheading 9027.30.40 | — |
| 9027.90.56.40 | Of articles of subheading 9027.50.10 | — |
| 9027.90.56.50 | Of articles of subheading 9027.50.40 | — |
| 9027.90.56.95 | Other | — |
| 9027.90.59 | Other | Free |
| 9027.90.59.10 | Of articles of subheading 9027.10.20 | — |
| 9027.90.59.95 | Other | — |
| 9027.90.64.00 | Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 | Free |
| 9027.90.68.00 | Other | Free |
| 9027.90.84.00 | Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 | Free |
| 9027.90.88.00 | Other | Free |
Protest 5401-02-100047; Kelvin 350 III Video And Infrared Camera System
Guidance for Grants and Agreements
Final rule; notification of final guidance.·Effective 2023-10-23
Final rule.·Effective 2021-11-04
Proposed rule.
Proposed rule.
GAS OR SMOKE ANALYSIS APPARATUS
Census Bureau export classification matching this HTS import code.
