HTS heading 9025 · Chapter 90
HTS 9025: Hydrometers and similar floating instruments,…
HTS heading 9025 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. It has 11 tariff lines with a duty rate; the general (MFN) rates are Free (5 lines), 1% (2 lines), 1.7% (1 line) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| Thermometers and pyrometers, not combined with other instruments: | |||||
| 9025.11 | Liquid-filled, for direct reading: | ||||
| 9025.11.20.00 | Clinical[No.] | Free | 85% | Estimate → | |
| 9025.11.40.00 | Other[No.] | Free | 85% | Estimate → | |
| 9025.19 | Other: | ||||
| 9025.19.40.00 | Pyrometers[No.] | Free | 45% | Estimate → | |
| 9025.19.80 | Other | Free | 40% | ||
| Clinical | |||||
| 9025.19.80.10 | Infrared thermometers of a kind described in statistical note 2 of this chapter[No.] | Estimate → | |||
| 9025.19.80.20 | Other[No.] | Estimate → | |||
| Other | |||||
| 9025.19.80.60 | Infrared thermometers[No.] | Estimate → | |||
| 9025.19.80.85 | Other[No.] | Estimate → | |||
| 9025.80 | Other instruments: | ||||
| 9025.80.10.00 | Electrical[No.] | 1.7% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | Estimate → |
| Other: | |||||
| 9025.80.15.00 | Barometers, not combined with other instruments[No.] | 1% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | Estimate → |
| 9025.80.20.00 | Hydrometers and similar floating instruments, whether or not incorporating a thermometer, non-recording[No.] | 2.9% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 85% | Estimate → |
| 9025.80.35.00 | Hygrometers and psychrometers, non-recording[No.] | 1.4% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | Estimate → |
| 9025.80.40.00 | Thermographs, barographs, hygrographs and other recording instruments[No.] | 1% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | Estimate → |
| 9025.80.50.00 | Other[No.] | 1.6% | Free (A,AU,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 50% | Estimate → |
| 9025.90.06.00 | Parts and accessories[kg] | Free | The rate applicable to the article of which it is a part or accessory | Estimate → |
15 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 9025.80.10.00 at the general rate of 1.7%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (1.7%) | $170.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $217.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- BH
- U.S.–Bahrain FTA
- C
- Agreement on Trade in Civil Aircraft
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.