Harmonized System
U.S. imports of Instruments for Measuring or Checking Other Variables of Liquids or Gases (HS 902680) totaled $37.0M in August 2026, imported from 59 countries.
Importers of Instruments for Measuring or Checking Other Variables of Liquids or Gases paid $3.3M in duties in August 2026, an average duty rate of 9.20% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataBeyond pressure, this heading captures instruments that measure flow, level, temperature, viscosity, and other physical variables of liquids or gases — critical inputs for utilities, petrochemicals, food processing, and water treatment. The US tariff schedule distinguishes electrical instruments (9026802000), heat meters incorporating liquid supply meters (9026804000), and non-electrical types (9026806000), each potentially carrying different duty rates. Germany leads US import supply under this heading, with Mexico and Japan also significant sources. Heat meters in particular are subject to close scrutiny at classification because they may overlap with metering equipment in Chapter 90 or utility-grade instruments governed by NIST traceability requirements.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
2.6K import shipments a month
Subheading 9026804000 specifically covers combination units that integrate a heat-quantity calculator with a liquid flow meter — commonly used in district heating and cooling systems. Stand-alone heat calculators or flow meters without the combined function classify elsewhere in the heading or potentially under a different subheading. Documentation from the manufacturer confirming the integrated design is essential to support this classification.
Canada is among the top suppliers under this heading, and goods originating in Canada that meet USMCA rules of origin are eligible for preferential tariff treatment. Importers must ensure a valid USMCA certification of origin is on file and that the product satisfies the applicable tariff shift or regional value content requirement.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 9026802000 | Elec Inst, Measuring/Checking Variable of Liq/Gas | $25.8M | 8.81% | 70.33% | $2.3M |
| 9026806000 | Inst, Measuring/Checking Variable of Liq/Gas, NESOI | $10.2M | 9.96% | 81.81% | $1.0M |
| 9026804000 | Heat Meters Incorporating Liquid Supply Meters | $282K | 17.75% | 74.24% | $50K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9026800000 | Inst Measure/Checking Variable of Liq/Gases, NESOI | $36.4M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$37.0MYoY · free account
Exports
$36.4MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $445.5M of Instruments for Measuring or Checking Other Variables of Liquids or Gases and exported $442.3M.
Through August 2026. Source: U.S. Census Bureau.
Subheading 4 of 4 in heading 9026
Subheading 902680 · $37.0M of $380.6M
Imports · August 2026
origin
China pays 26.1% duty; Mexico 3.1%.
customs district
entry
rate provision · imports
25.2% enters free of duty; duty collected equals 9.20% of imports for consumption.