Chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

HTS heading 9025: Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and an…

19 numbered lines under heading 9025, including 14 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 9025
HTS codeDescriptionUnitGeneralSpecialColumn 2
9025Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments; parts and accessories thereof:
Thermometers and pyrometers, not combined with other instruments:
9025.11Liquid-filled, for direct reading:
9025.11.20.00ClinicalNo.Free85%
9025.11.40.00OtherNo.Free85%
9025.19Other:
9025.19.40.00PyrometersNo.Free45%
9025.19.80OtherFree40%
Clinical
9025.19.80.10Infrared thermometers of a kind described in statistical note 2 of this chapterNo.
9025.19.80.20OtherNo.
Other
9025.19.80.60Infrared thermometersNo.
9025.19.80.85OtherNo.
9025.80Other instruments:
9025.80.10.00ElectricalNo.1.7%Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)40%
Other:
9025.80.15.00Barometers, not combined with other instrumentsNo.1%Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)40%
9025.80.20.00Hydrometers and similar floating instruments, whether or not incorporating a thermometer, non-recordingNo.2.9%Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)85%
9025.80.35.00Hygrometers and psychrometers, non-recordingNo.1.4%Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%
9025.80.40.00Thermographs, barographs, hygrographs and other recording instrumentsNo.1%Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)35%
9025.80.50.00OtherNo.1.6%Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)50%
9025.90.06.00Parts and accessorieskgFreeThe rate applicable to the article of which it is a part or accessory

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.