Harmonized Tariff Schedule of the U.S. › Chapter 90 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments; parts and accessories
9027.10.20.00Tariff line
Classification path
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
9027
Gas or smoke analysis apparatus
Electrical
9027.10.20.00
Rates of duty
General rate (Column 1)Free
Special—
Column 240%
Unitkg No.
Printed page 3038
Measure flags
for origin CN, entry date 2026-10-25 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 2 (9903.88.02)9903.88.02Applies+25%8-digit subheading 9027.10.20 is on L2
- 301 exclusion 9903.88.69 (by product description)9903.88.69ConditionalexemptPortable, wireless enabled, electrical gas monitors — only the products described; expires 2026-11-09 11:59 p.m. EDT
- PGAFDA FD1
Confirmed total 37.5% · max 37.5%Full duty breakdown →