HS Code 902710
6-digit classification for Gas or Smoke Analysis Apparatus, with duty lookup and 1688 checks before payment
Official description: 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 : Gas or smoke analysis apparatus
Also searched as: gas analyzer, smoke detector, combustion analyzer, flue gas analyzer, gas detector
Classification
How 902710 breaks down
Optical, photographic, measuring, medical or surgical instruments
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
Gas or smoke analysis apparatus
Short answer
What HS code 902710 means before paying a 1688 supplier
HS code 902710 is the 6-digit HS 2022 starting point for gas or smoke analysis apparatus; often searched as gas analyzer, smoke detector, combustion analyzer. Before using it in a landed-cost estimate, confirm the product material, function, destination market, and the official tariff source. Treat any 1688 supplier code as a clue, not the final import classification.
Use
Start with this 6-digit HS code and compare the product's material, function, and use.
Verify
Check the destination market's official HTS, TARIC, commodity-code, duty, VAT, or GST source.
Decide
If classification, documents, or restricted-product risk is unclear, submit the product for a written check.
Covered products
What products fall under HS code 902710?
Buyers sourcing gas or smoke analysis apparatus from 1688 commonly describe it in these ways. If your product matches, 902710 is likely the right 6-digit starting point — confirm material and intended use against the official tariff.
US import duty · China origin
US import duty for HS 902710
Published USITC HTS rates for gas or smoke analysis apparatus (902710), aggregated at the 6-digit level. A research estimate — the final rate depends on your full 8-10 digit HTS line.
Base MFN rate
0%
Average across 3 US national tariff lines under 902710.
Section 301 (China)
+25%
Covered lines under this code carry a Section 301 China surcharge.
Effective China-origin
≈25%
Base rate with applicable 301 surcharges — before MPF/HMF and any trade-action changes.
Source: USITC HTS (base MFN) + Section 301 overlay · data as of 2026-07-05 · rates change with trade actions — always confirm your full 10-digit line on hts.usitc.gov before pricing a product. Other markets (EU/UK/CA/AU/SG) below.
Import duty by market
Where to check the import duty for HS 902710
The 6-digit code is universal, but duty, VAT and GST are set by the destination country and depend on the full national tariff line with China as the country of origin. Start from the official source for your market.
United States
USITC / CBP · Harmonized Tariff Schedule (HTS)
European Union
TARIC · Access2Markets
United Kingdom
HMRC · UK Integrated Online Tariff
Canada
CBSA · Canadian Customs Tariff
Australia
ABF · Australian customs tariff
Singapore
Singapore Customs · Singapore Trade Classification (HS)
Compare China-origin duty evidence across supported markets
Use the HS & import duty checker to estimate duty + VAT/GST for 902710 by destination before you pay a 1688 supplier.
Heading 9027
Other HS codes under 9027
Subheadings in the same 4-digit heading — "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". If 902710 is not an exact match, one of these may classify your product more precisely.
Questions
HS code 902710: common questions
What is the US import duty for HS code 902710 from China?
As published in the USITC HTS (data as of 2026-07-05), the base MFN rate for 902710 averages about 0%, and Section 301 China surcharges apply on covered lines (up to +25%), bringing the effective China-origin rate to roughly 25% (averaged across 3 national tariff lines). This is a research estimate — the final rate depends on your full 8-10 digit HTS line; verify on hts.usitc.gov.
What is HS code 902710?
HS code 902710 is the World Customs Organization 6-digit HS 2022 subheading for "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 : Gas or smoke analysis apparatus". The first two digits (90) are the chapter — Optical, photographic, measuring, medical or surgical instruments — and digits 3-4 (9027) are the heading. Countries add further digits (8-10) for their national tariff line.
What products fall under HS 902710?
Common products classified under 902710 include gas analyzer, smoke detector, combustion analyzer, flue gas analyzer, gas detector and similar items matching gas or smoke analysis apparatus. The correct code still depends on the product's material, function and intended use.
How do I find the import duty for HS code 902710?
Duty is set by the destination country, not by the 6-digit HS code alone. Start from the official tariff of your market — USITC HTS (US), TARIC / Access2Markets (EU), GOV.UK Trade Tariff (UK), CBSA (Canada), ABF (Australia) or Singapore Customs — and look up the full national code with China as the country of origin.
Is HS code 902710 the same in every country?
The first 6 digits (902710) are the same worldwide under the WCO Harmonized System. Beyond that, each country extends the code (HTS in the US, TARIC in the EU, etc.) and sets its own duty and tax rates.
Can I trust the HS code a 1688 supplier gives me?
Treat a supplier-provided code as a clue, not a final classification. It can be incomplete, China-export-specific, or mismatched to your destination's rules. Verify against the official tariff and your product's actual material and use.
Is HSN code 902710 the same as HS code 902710?
Yes at the 6-digit level. India's HSN (Harmonized System of Nomenclature) uses the same WCO base, so HSN 902710 covers the same "gas or smoke analysis apparatus" scope; India then extends it to 8 digits for GST and customs. Check the Indian Customs tariff (CBIC) for the full national line.
Chapter 90
Explore Optical, photographic, measuring, medical or surgical instruments
Sourcing gas or smoke analysis apparatus from 1688?
Get a written pre-payment check — classification clues, China-origin landed cost, and supplier risk — before you commit. 5,754 HS codes covered.