9025.90.06.00
Parts and accessories
Classification path
- Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments; parts and accessories thereof
- Parts and accessories
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- The rate applicable to the article of which it is a part or accessory
- Unit of quantity
- kg
Related lines in heading 9025
- 9025.11.20.00Liquid-filled, for direct reading / ClinicalFree
- 9025.11.40.00Liquid-filled, for direct reading / OtherFree
- 9025.19.40.00Thermometers and pyrometers, not combined with other instruments / PyrometersFree
- 9025.19.80.10Infrared thermometers of a kind described in statistical note 2 of this chapterFree
- 9025.19.80.20Thermometers and pyrometers, not combined with other instruments / Clinical / OtherFree
- 9025.19.80.60Thermometers and pyrometers, not combined with other instruments / Infrared thermometersFree
- 9025.19.80.85Thermometers and pyrometers, not combined with other instruments / OtherFree
- 9025.80.10.00Electrical1.7%
- 9025.80.15.00Barometers, not combined with other instruments1%
- 9025.80.20.00Hydrometers and similar floating instruments, whether or not incorporating a thermometer, non-recording2.9%
- 9025.80.35.00Hygrometers and psychrometers, non-recording1.4%
- 9025.80.40.00Thermographs, barographs, hygrographs and other recording instruments1%
About heading 9025
Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments; parts and accessories thereof
Heading 9025 covers instruments that measure temperature, atmospheric pressure, humidity or liquid density: thermometers, pyrometers, barometers, hygrometers, psychrometers, hydrometers and recording versions of these, plus their parts and accessories. The heading splits first between thermometers and pyrometers not combined with other instruments (9025.11 for liquid-filled direct-reading types, 9025.19 for all others) and all other instruments (9025.80), with parts and accessories in 9025.90. Most lines in the heading are free of duty; the few dutiable lines are in 9025.80.
Full guide to heading 9025Products in this heading
- Glass clinical thermometer with mercury or spirit column
- Digital infrared forehead thermometer
- Wall-mounted aneroid barometer
- Non-recording hair or electronic hygrometer for room humidity
- Optical pyrometer for measuring kiln or furnace temperature
- Recording thermograph or hygrograph
- Hydrometer for checking battery acid or antifreeze density
- Replacement probe or casing sold as a part of a thermometer
Frequently asked questions
What is the HTS code for a digital infrared thermometer?
A non-clinical infrared thermometer falls in 9025.19.80.60, general (MFN) Free. Clinical infrared thermometers of a kind described in statistical note 2 go in 9025.19.80.10, also general (MFN) Free.
What is the duty on a liquid-filled clinical thermometer?
Liquid-filled direct-reading clinical thermometers are classified in 9025.11.20.00 at a general (MFN) rate of Free. Liquid-filled direct-reading thermometers for other uses go in 9025.11.40.00, also Free.
How do I classify a non-recording hygrometer?
A hygrometer or psychrometer that does not record is classified in 9025.80.35.00, general (MFN) 1.4%. If the device records readings continuously, it moves to 9025.80.40.00, general (MFN) 1%.
Source: USITC Harmonized Tariff Schedule, retrieved October 22, 2026.