Carbon Monoxide Detector
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 9026802000 | 35.0% | CN | US | Official Doc |
| 9026806000 | 17.5% | CN | US | Official Doc |
| 8531100045 | 11.3% | CN | US | Official Doc |
| 8531100025 | 36.3% | CN | US | Official Doc |
| 9027102000 | 35.0% | CN | US | Official Doc |
| 9027106000 | 35.0% | CN | US | Official Doc |
Product Images
AI Analysis
π¨ Carbon Monoxide (CO) Detectors & Similar Alarming Systems
π HS Code Reference & Clearance Guide | 2026 Tariff Breakdown | Professional Compliance Strategy
π I. Product Definition & Classification: Do You Know What "Carbon Monoxide Detector" Really Is?
A Carbon Monoxide (CO) Detector is an electronic safety device designed to detect the presence of carbon monoxide gasβa colorless, odorless, and lethal byproduct of incomplete combustion. It triggers an audible alarm (siren/bell) or visual signal (flashing light) when dangerous gas levels are detected.
In international trade, CO detectors fall under two primary categories based on function and design:
- Fire/Burglar/Fire/CO Alarm Units: Classified as "Burglar or fire alarms and similar apparatus" (Heading 8531).
- Gas/Smoke Analysis Instruments: If used in industrial settings for precise measurement (Heading 9027).
β οΈ Critical Distinction:
- Residential/Commercial Safety Alarms (plug-in or battery-powered units) β 8531.10
- Industrial Gas Analyzers (precision measurement, lab-grade) β 9027.10
- Parts/Accessories (sensors, batteries, casings) β 8531.90 (if not specified) or 9027.80 (if analytical)
π¦ II. HS Code Classification Details (2026 Tariff Authority)
| HS Code | Product Description | Application Scenario | Classification Logic |
|---|---|---|---|
| 8531.10.00.45 | Burglar or fire alarms and similar apparatus: Other | Residential CO detectors, multi-safety alarms | β Alarm-only function (no precise gas measurement) |
| 8531.10.00.25 | Burglar or fire alarms and similar apparatus: Smoke detectors: Other | CO detectors integrated with smoke sensing | β Smoke/CO combo units |
| 9026.80.20.00 | Instruments for measuring flow/pressure/variables: Electrical | Industrial CO flow/pressure monitors | β Not for CO detection (mismatched function) |
| 9026.80.60.00 | Other instruments and apparatus: Other | Non-electrical flow/pressure checkers | β Not applicable |
| 9027.10.20.00 | Gas or smoke analysis apparatus: Electrical | Industrial-grade CO analyzers (precision) | β Analytical instrument (lab/industrial use) |
| 9027.10.60.00 | Gas or smoke analysis apparatus: Other | Non-electrical gas analyzers | β Non-electrical analytical device |
π Key Insight:
- Most home/office CO detectors are classified under 8531.10 (safety alarms), NOT 9027 (analytical instruments).
- Industrial CO monitors used for precise gas concentration measurement (e.g., ppm accuracy in factories) β 9027.10.
- Misclassification Risk: Labeling a simple CO alarm as an "analytical instrument" can lead to 25% tax penalties instead of 0%.
π° III. 2026 Tariff Rate Breakdown (Including Additional Taxes & Policy Surcharge)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: November 10, 2025 (including subsequent imports)
π― 1. 8531.10.00.45 β Residential/Commercial CO Detectors (Alarm Function)
| Item | Details |
|---|---|
| Base Tariff | 0% (ad valorem) |
| USITC Surcharge | +0% (No USITC Footnote applies) |
| IEEPA Surcharge | +0% (No IEEPA surcharge for safety alarms) |
| Total Tariff | 0% |
| Tax Calculation | CIF Γ 0% |
| De Minimis Exemption | β Yes (under $800 value) |
| Legal Basis | HTSUS:8531.10.00.45 β Footnote: None |
π Explanation:
- CO safety alarms (8531.10) are exempt from all additional tariffs (USITC, IEEPA).
- Total tax: 0% for Chinese-origin units imported into the US.
- No penalty risk if properly classified.
π― 2. 9027.10.20.00 β Industrial CO Gas Analyzers (Precision Measurement)
| Item | Details |
|---|---|
| Base Tariff | 0% |
| USITC Surcharge | +25% (USITC Footnote 9903.88.01) |
| IEEPA Surcharge | +25% (IEEPA:9903.01.25 for Chinese-origin) |
| Total Tariff | 50% |
| Tax Calculation | CIF Γ 50% |
| De Minimis Exemption | β No |
| Legal Basis | HTSUS:9027.10.20.00 β IEEPA:9903.01.25 β USITC:9027.10.20.00 |
π Warning:
- Industrial gas analyzers (9027.10) face 50% total tariffs (25% USITC + 25% IEEPA).
- Critical: Do NOT classify simple CO alarms as "gas analyzers" to avoid 50% tax.
- Example: A $100 industrial CO monitor = $50 tax β $150 total cost.
π οΈ IV. Practical Clearance Advice (Real-World Pitfall Avoidance)
β 1. Documentation Checklist (Non-Negotiable)
| Document | Required | Purpose |
|---|---|---|
| Product Spec Sheet | βοΈ | Confirm function: Alarm vs. Analyzer |
| Circuit Diagram | βοΈ | Verify if it has precision gas measurement (9027) or alarm only (8531) |
| Product Photos (Label) | βοΈ | Show model, input voltage, alarm type (siren/light) |
| FCC/UL Certification | βοΈ | Mandatory for safety devices (8531) |
| Commercial Invoice | βοΈ | Use "Carbon Monoxide Alarm" (not "Gas Analyzer") |
| Origin Certificate (CO) | βοΈ | If not Chinese origin, claim exemption |
| Packing List | βοΈ | Show unit + accessories (no splitting) |
β 2. Declaration Strategy (Key Tips)
π₯ "Alarm β Analyzer! Name It Right, Pay 0%!"
| Scenario | Correct Declaration | Wrong Declaration |
|---|---|---|
| Home CO Alarm | 8531.10.00.45 ("CO Safety Alarm") |
9027.10.20.00 ("CO Gas Analyzer") β 50% |
| Industrial CO Monitor | 9027.10.20.00 ("Industrial Gas Analyzer") |
8531.10.00.45 ("Alarm") β Under-taxed (risk of audit) |
| CO + Smoke Combo | 8531.10.00.25 ("Smoke/CO Alarm") |
9027.10.60.00 ("Gas Analyzer") β 25% |
| Parts/Accessories | 8531.90.00.00 (if not specified) |
9027.80.00.00 (if analytical) β 25% |
β 3. Special Cases Handling
| Scenario | Recommendation |
|---|---|
| OEM CO Detectors | Provide client order + designεΎηΊΈ, avoid "generic" declaration |
| Wireless/Smart CO Alarms | Still 8531.10.00.45 (not 9027 unless precision sensor) |
| CO Detectors for Medical Use | If not for gas analysis, keep 8531.10.00.45 |
| Export to Non-US Markets | Check EU (0%), Japan (0%), Canada (5%) β no US surcharge |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certifications | Note |
|---|---|---|---|---|
| πΊπΈ USA | 8531.10.00.45 |
0% | FCC + UL | Avoid 9027.10 (50% tax) |
| π¨π³ China | 8531.10.00.45 |
5% | CCC + RoHS | No surcharge |
| πͺπΊ EU | 8531.10.00.45 |
0% | CE + RoHS | No surcharge |
| π―π΅ Japan | 8531.10.00.45 |
0% | PSE | No surcharge |
| π¨π¦ Canada | 8531.10.00.45 |
5% | CSAC | No surcharge |
π Conclusion:
- USA is the only market with additional tariffs on analytical instruments (9027.10).
- CO safety alarms (8531.10) are 0% in US β Critical to classify correctly!
π VI. Common Errors & Pitfalls (Lessons Learned)
β Error 1: Calling a CO alarm "Gas Analyzer" to "look more technical"
π Result: 50% tax instead of 0% β Lost profit!
β Error 2: Splitting "Alarm + Sensor" into separate shipments
π Result: Each part taxed separately β Total tax = 50% + 25% = 75%!
β Error 3: No circuit diagram β Customs classifies as 9027.10 (25% tax)
π Result: Delay + Penalty β $2000+ in costs!
β Error 4: Using "Gas Detector" as generic name
π Result: If not analytical, customs may audit β Risk of 25% tax!
β Correct Practice:
"Residential Carbon Monoxide Alarm, Battery-Powered, Audible Siren, Model XYZ, FCC & UL Certified"
π― VII. Conclusion: Precision Classification = Cost Savings!
π― Remember:
πΉ "Alarm = 8531 (0%), Analyzer = 9027 (50%)! Name it Right!"
πΉ "HS Code = 0% tax, Wrong Code = 50% tax! Donβt guess!"
π Pro Tip:
If your CO detectors are manufactured in Vietnam, Mexico, or Thailand, you may qualify for IEEPA exemption (0% tax).
Apply for Advance Ruling to confirm classification and avoid surprises.
π£ Take Action Now:
π Contact a licensed customs broker + provide product specs + apply for HS Code pre-ruling
π Ensure your CO detectors clear customs smoothly, save 50% in taxes, and boost profits!
β¨ Expert Clearance Starts with Accurate Classification!
πΌ Every dollar counts β calculate your tax precisely!
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.