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HSChapter 90
U.S. imports of optical spectrometers, spectrophotometers & spectrographs (uv, visible, infrared) (HS 902730) totaled $45.6M in April 2026, traded with 50 countries.
Importers of Optical Spectrometers, Spectrophotometers & Spectrographs (UV, Visible, Infrared) paid $3.1M in duties in April 2026 — an effective duty rate of 11% on $29.2M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataSpectrometers and spectrophotometers operating in the ultraviolet, visible, and infrared ranges are essential instruments for materials characterization, pharmaceutical analysis, environmental monitoring, and semiconductor inspection. The US schedule separates electrical spectrometers and spectrographs (9027304040, 9027304080) from non-electrical spectroscopes and spectrographs (9027308020, 9027308080), with the electrical lines covering the vast majority of modern laboratory and inline instruments. Mexico is the leading US import source under this heading, with Germany and the United Kingdom also prominent — the latter reflecting the UK's strong optical-instrument manufacturing base. Raman spectrometers and Fourier-transform infrared (FTIR) analyzers are among the highest-value articles in this heading.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
FTIR analyzers, which use infrared optical radiation for analysis, classify under 9027.30 as spectrometers using optical radiations. Raman spectrometers also use optical radiation (laser excitation and optical detection) and generally classify here as well. However, if a Raman system is integrated with a microscope as its primary function, classification under heading 9011 or 9012 may be argued; a binding ruling is recommended for high-value combination systems.
A spectrophotometer measures the intensity of light as a function of wavelength across a spectrum, classifying under 9027.30. A photometer measures total light intensity at a fixed wavelength or broadband, and classifies under heading 9027.50 (specifically the photometer subheading 9027504050). The key classification criterion is whether the instrument disperses radiation into its spectral components for measurement.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $12.8M | $4.0M | -$8.8M |
| GERMANY | $9.3M | $4.9M | -$4.4M |
| CHINA | $961K | $7.2M | +$6.2M |
| UNITED KINGDOM | $5.7M | $1.6M | -$4.1M |
| CANADA | $2.9M | $4.1M | +$1.2M |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 9027304040 | SPECTROPHOTOMETERS, ELECTRICAL | $25.9M | 11.76% | $1.2M |
| 9027304080 | SPECTROMETERS AND SPECTROGRAPHS, ELEC, NESOI | $15.3M | 10.12% | $1.5M |
| 9027308080 | SPECTROMETERS & SPECTROGRAPHS, EXCEPT ELECTRICAL | $4.3M | 10.28% | $431K |
| 9027308020 | SPECTROSCOPES, EXCEPT ELECTRICAL | $169K | 10.00% | $16K |
SPECTROPHOTOMETERS, ELECTRICAL
SPECTROMETERS AND SPECTROGRAPHS, ELEC, NESOI
SPECTROMETERS & SPECTROGRAPHS, EXCEPT ELECTRICAL
SPECTROSCOPES, EXCEPT ELECTRICAL
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9027304080 | SPECTROMETERS AND SPECTROGRAPHS, ELEC, NESOI | $29.5M |
| 9027304040 | SPECTROPHOTOMETERS, ELECTRICAL | $24.7M |
| 9027308080 | SPECTROMETERS & SPECTROGRAPHS, EXCEPT ELECTRICAL | $8.9M |
| 9027308020 | SPECTROSCOPES, EXCEPT ELECTRICAL | $3.0M |
SPECTROMETERS AND SPECTROGRAPHS, ELEC, NESOI
4.1K no
SPECTROPHOTOMETERS, ELECTRICAL
6.8K no
SPECTROMETERS & SPECTROGRAPHS, EXCEPT ELECTRICAL
1.5K no
SPECTROSCOPES, EXCEPT ELECTRICAL
239 no
INSTR & APPL F MEDICAL SURGICAL DENTAL VET, NESOI
HS 901890
MED NEEDLES. NESOI, CATHERERS ETC AND PARTS ETC
HS 901839
ARTIFICIAL JOINTS & PARTS & ACCESSORIES THEROF,NES
HS 902139
ELECTRO-DIAGNOSTIC APPARATUS NESOI, AND PARTS ETC.
HS 901819
OZONE,OXYGEN,ETC THERAPY, RESPIRATION APPARATUS,PT
HS 901920
MEAS CHECKNG INSTRUMENT & MACH, NOT OPTICAL, NESOI
HS 903180
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | $15.6M | $11.4M | -$4.2M |
| Massachusetts | $4.7M | $12.7M | +$8.0M |
| Michigan | $1.2M | $8.2M | +$7.0M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEW ORLEANS, LA | $3.6M | $15.4M | +$11.9M |
| CLEVELAND, OH | $3.1M | $9.9M | +$6.8M |
| OTAY MESA, CA | $12.8M | -- | -$12.8M |