9027.30—Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared)General duty rate
Free
Across 4 10-digit lines
Coverage on this page
HTS 9027.30 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared). It sits in Chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof, Section XVIII: Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical or Surgical Instruments and Apparatus; Clocks and Watches; Musical Instruments; Parts and Accessories Thereof and rolls up 4 10-digit statistical lines, all with a general duty rate of Free. No Chapter 99 tariff modifications or AD/CVD orders currently flag any line under this subheading in Tandom's catalog.
Pick a line to view full rate detail and compute landed duty
HTS 9027.30 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared). It belongs to Chapter 90 and rolls up 4 10-digit statistical lines that brokers actually file at entry.
Every 10-digit line under HTS 9027.30 carries a general (Column 1) duty rate of Free. Section 301, Section 232, and AD/CVD overlays may stack on top of this rate at the per-line level — open a specific 10-digit code to see its complete tariff stack.
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 9027.30 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
No active AD/CVD (antidumping or countervailing duty) orders currently flag any line under HTS 9027.30 in Tandom's catalog. Tandom monitors Federal Register notices daily; any new orders will appear here within 24h of publication.
Tandom guides relevant to this code
Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
Open resource
Run thousands of product descriptions through HTS classification, score the confidence, and triage borderline rows. Public search endpoint plus the closed-beta three-layer Classifier.
Open resource
How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
Open resource
Why raw LLM prompts fabricate stat suffixes, why MCP-augmented prompts do not, and the prompt template a broker can hand to Claude or ChatGPT today.
Open resource
What changed for low-value DTC and ecommerce shipments after Section 321 de minimis was suspended in 2025. Filing, fees, and duty math through 2027.
Open resource
Turn a PDF commercial invoice into ACE-ready entry data. Which fields to extract, how to chain extraction into HTS classification and duty calculation.
Open resource