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HTS heading 9025: Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of thes

Heading 9025 of the US Harmonized Tariff Schedule covers Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments; parts and accessories thereof. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 9025 at a glance

Goods named in this heading (official line texts): Clinical, Pyrometers, Electrical, Barometers, not combined with other instruments, Hydrometers and similar floating instruments, whether or not incorporating a thermometer, non-…, Hygrometers and psychrometers, non-recording, Thermographs, barographs, hygrographs and other recording instruments, Parts and a….

Subheadings (6-digit)

All tariff lines in heading 9025

LineDescriptionGeneralSection 301 (China)Exclusions
9025.11.20Liquid-filled, for direct reading: ClinicalFreenone
9025.11.40Liquid-filled, for direct reading: OtherFreenone
9025.19.40Other: PyrometersFreeList 2 +25%
9025.19.80Other: OtherFreeList 2 +25% (3 product exclusions may apply)3
9025.80.10Other instruments: Electrical1.7%List 2 +25%
9025.80.15Barometers, not combined with other instruments1%List 4A +7.5%
9025.80.20Hydrometers and similar floating instruments, whether or not incorporating a thermometer, non-…2.9%List 3 +25%
9025.80.35Hygrometers and psychrometers, non-recording1.4%List 4A +7.5%
9025.80.40Thermographs, barographs, hygrographs and other recording instruments1%List 4A +7.5%
9025.80.50Other: Other1.6%List 4A +7.5%
9025.90.06Hydrometers and similar floating instruments, thermometers, pyrometers, baromete…: Parts and a…FreeList 3 +25%

All of chapter 90 · Chapter 90 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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