Harmonized Tariff Schedule of the United States · HTS code · HS 9027.50
9027.50.10: Other instruments and apparatus using optical radiations: exposure meters
Optical analysis instruments (UV, visible, IR)
Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026
- 9027 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:
- 9027.50 Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared):
- 9027.50.10 Exposure meters
What you pay
Importing into USA
US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
No additional measures recorded for this origin.
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| General (MFN) | — | 1.2% |
| US–Australia FTA AU | Australia | Free |
| US–Bahrain FTA BH | Bahrain | Free |
| US–Chile FTA CL | Chile | Free |
| US–Colombia TPA CO | Colombia | Free |
| US–Israel FTA IL | Israel | Free |
| US–Jordan FTA JO | Jordan | Free |
| US–Korea FTA KR | South Korea | Free |
| US–Morocco FTA MA | Morocco | Free |
| US–Oman FTA OM | Oman | Free |
| CAFTA-DR P | Costa Rica, Dominican Republic, El Salvador, Guatemala, Honduras, Nicaragua | Free |
| US–Panama TPA PA | Panama | Free |
| US–Peru TPA PE | Peru | Free |
| USMCA S | Canada, Mexico | Free |
| US–Singapore FTA SG | Singapore | Free |
| Column 2 | Cuba, North Korea, Russia, Belarus | 27.5% |
Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).
Same subheading in other tariffs
9027.50 Other instruments and apparatus using optical radiation (UV, visible, IR)
UK Free Third-country duty 1 tariff line 
EU Free Third-country duty 1 tariff line 
Türkiye Free Third-country duty 2 tariff lines 
Canada Free General (MFN) 3 tariff lines 
Mexico Free General (MFN) 1 tariff line 
Brazil 7.2% – 20% General (MFN) 6 tariff lines · average 16.6% 
Argentina Free – 12.6% General (MFN) 7 tariff lines · average 10.8% 
Peru Free General (MFN) 1 tariff line 
New Zealand Free General (MFN) 1 tariff line 
Japan Free General (MFN) 1 tariff line 
Taiwan Free General (MFN) 1 tariff line 
GCC Free General (MFN) 1 tariff line 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia Free General (MFN) 1 tariff line 
Nigeria 5% General (MFN) 1 tariff line USA lines: 9027.50
Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N365070 U.S. CBP
The tariff classification of an optical radiation exposure chamber from Canada
- N359718 U.S. CBP
The tariff classification of a Balanced Detector from Germany
- N356022 U.S. CBP
The tariff classification of gluten detection capsules and detection systems from China
- N355538 U.S. CBP
The tariff classification of a continuous glucose monitor from China
- 600011062 HMRC
The XP95 Optical Smoke Detector works on the light scatter principle (Photo-electric detection of light scattered in a forward direction by smoke particles). It is for applications where slow burning or smouldering fires are likely, and is unaffected by wind or atmospheric pressure. The Chamber…
- 600011063 HMRC
The Series 65 Optical Smoke Detector has a moulded self extinguishing white polycarbonate case with wind resistant smoke inlets. Inside the case a printed circuit board has the optical system mounted on one side and the signal processing electronics on the other. The sensing chamber is a moulding…
- 600010250 HMRC
This product is a wireless addressable dual-optical and heat detection multisensory detector, offering both technologies for improved performance and high levels of false-alarm rejection. REACH Wireless® Multisensor Detector Product information - • Twin alarm, bi-colour LEDs for 360° visibility •…
- 600010251 HMRC
The product is a wireless addressable optical smoke detector that utilised dual-optical smoke detection technology for improved performance; maintaining the highest levels of false-alarm rejection. REACH Wireless® Optical Smoke Detector Product information • Twin alarm, bi-colour LEDs for 360°…
37 rulings in total for this code
Legal notes
Additional notes
1. For the purposes of subheadings 90153010, 90258040, 90261021, 90261029, 90262020, 90268020, 90271010 and 90321020, the expression ‘electronic’ means instruments and apparatus which incorporate one or more articles of heading 8540, 8541 or 8542 but for the purposes of the foregoing, no account shall be taken of articles of heading 8540, 8541 or 8542 which have solely the function of rectifying current or which are included in the power pack of instruments or apparatus.
2. For the purposes of subheading 90211010, the expression "orthopaedic appliances" means appliances which are specially designed for a particular orthopaedic purpose, in distinction to products that might be used for various purposes (for example, products for overstrained joints, ligaments or tendons caused by sporting activities, type writing, and products which simply alleviate pain in the defective or disabled part of the body, for example, caused by inflammation).
The "orthopaedic appliances" must completely prevent a specific movement of the defective or disabled part of the body (for example, joints, ligaments, tendons) in order to exclude further injuries or bodily deformities or an aggravation of such injuries or deformities, as distinct from other products that cannot prevent specific movements, yet prevent reflex movements (movements carried out subconsciously) through the relative inflexibility of those products due to, for example, flexible splints, pressure pads, non-elastic textile material, restrictions through "Velcro-type" straps.
HTS code 9027.50.10 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 9027.50 (other instruments and apparatus using optical radiation (UV, visible, IR)).
The general duty is 1.2%, and quantities are declared in p/st.
For the same subheading, the UK duty is free, the EU duty is free, the Türkiye duty is free, the Canada duty is free, the Mexico duty is free, the Brazil duty is 7.2%–20%, the Argentina duty is 0%–12.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is free, the GCC duty is free, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 5%.
The United States imported goods of subheading 9027.50 worth US$1.5bn in 2024; the largest supplier was Singapore, and the United Kingdom ranked 4th with US$162m.
Questions and answers
What is the USA import duty for HTS code 9027.50.10?
The general duty in the Harmonized Tariff Schedule of the United States is 1.2%; the supplementary unit is p/st. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Is there a lower rate for 9027.50.10 under US trade agreements?
Yes. The Special column reads “Free (A, AU, BH, CL, CO,D,E, IL, JO, KR, MA, OM,P, PA, PE,S, SG)”: the letters in brackets name the agreements and programmes that grant it.
Where does the United States import these goods from?
For subheading 9027.50 as a whole, the largest supplier in 2024 was Singapore (US$304m), followed by Japan.
Typical products
Everyday names, not part of the legal text.