Harmonized Tariff Schedule of the U.S. › Chapter 90 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments; parts and accessories

9027.50.10.00Tariff 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
Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared)
Exposure meters
9027.50.10.00

Rates of duty

General rate (Column 1)1.2%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 227.5%
UnitNo.

Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)

Printed page 3038

Measure flags

for origin CN, entry date 2026-10-26 · base rate 1.2%

  • Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
  • China 301 List 1 (9903.88.01)9903.88.01Applies+25%8-digit subheading 9027.50.10 is on L1

Confirmed total 38.7% · max 38.7%Full duty breakdown →

U.S. → China →