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HSChapter 90
U.S. imports of instruments and apparatus for measuring or checking electrical quantities — without recording device (nesoi) (HS 903089) totaled $44.0M in July 2026, traded with 52 countries.
Importers of Instruments and Apparatus for Measuring or Checking Electrical Quantities — Without Recording Device (NESOI) paid $2.6M in duties in July 2026 — an effective duty rate of 11% on $22.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Instruments and Apparatus for Measuring or Checking Electrical Quantities — Without Recording Device (NESOI) imports of $44.0M in July 2026 ran 20% above the year-to-date monthly average of $36.6M.
Last updated: July 2026 dataNon-recording electrical measurement instruments not covered by more specific subheadings — including specialized power quality analyzers, phase meters, and frequency counters used in industrial maintenance and grid management — enter under tariff line 9030890100. Mexico is the leading US import source for this residual category, with the United Kingdom, Germany, and Austria also significant suppliers. As with all NESOI classifications, importers must work through the heading's more specific subheadings before defaulting here, and should retain technical documentation demonstrating why the goods are not multimeters, telecom instruments, or semiconductor testers.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
791 shipments/mo
A power quality analyzer that measures parameters such as harmonics, power factor, and voltage sags without storing data may fit the non-recording power-measuring line under heading 903033. If it lacks a recording device and is not a multimeter but also does not fit the more specific power-measuring description, the NESOI line under 903089 applies. The distinction turns on whether 'power' measurement is the instrument's primary function versus a broader electrical-quality monitoring role.
CBP can reclassify the goods, assess back duties, and impose penalties for negligent or intentional misclassification. Because the NESOI designation is a catch-all, it is only correct after systematically ruling out every more specific description in the heading. Importers with recurring shipments of specialized instruments should consider a binding ruling to lock in the correct line.
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ImportsExports
Imports
$44.0MYoY · Pro
Exports
$34.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 9030890100 | Instruments & Apparatus W/O Recording Device NESOI | $44.0M | 5.80% | 51.45% | $2.6M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9030890100 | Instruments & Apparatus W/O Recording Device NESOI | $34.4M |
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.
Imports · July 2026
origin
Mexico and United Kingdom together supply 55% of it.
customs district
destination
entry
rate provision · imports
47.4% enters free of duty; the effective duty rate is 5.80%.