Tariff monitor · Instruments & Inspection

Measuring and inspection instruments: statutory & effective tariff rates

Statutory HTS duty rates for 26 measuring and inspection instruments tariff lines (MFN Free–1.7%), from USITC. Effective rate May 2026: 8.25%; monthly history since

Statutory rates from the schedule

  • Flow, level, and pressure instruments plus measuring and checking machines, including CMMs. This family covers HTS headings 9026, 9031: 26 eight-digit rate lines with MFN (column 1, general) rates of Free–1.7% in the 2026 schedule.
  • Chapter 99 flags on individual lines mark Section 301/232 overlay provisions (e.g. 9903.88.01) that apply on top of the MFN column.

What importers actually paid

  • Latest month on record (2026-05): 8.25% effective on $980.9M of imports, versus 11.91% in the same month a year earlier. The monthly archive holds 77 observations from 2020-01 through 2026-05.
  • In 2025, U.S. imports for consumption in this family totaled $11.2B in customs value and paid $1.1B in calculated duties: an effective tariff rate of 10.2%. The effective rate captures Section 301/232 overlays, exclusions, and special-program use that the statutory column cannot.
  • A year earlier the effective rate was 1.48%, so the duty burden rose 8.7 points.
  • Top source countries in 2025: Mexico ($1.9B at 3.04%), Germany ($1.7B at 9.28%), Japan ($1.1B at 8.32%), Canada ($815.6M at 5.4%), China ($760.1M at 44.02%).

Representative rate lines

  • 9026.10.20: Electrical — MFN Free
  • 9026.10.40.00: Flow meters — MFN Free
  • 9026.10.60.00: Other — MFN Free
  • 9026.20.40.00: Electrical — MFN Free
  • 9026.20.80.00: Other — MFN Free
  • 9026.80.20.00: Electrical — MFN Free
  • 9026.80.40.00: Heat meters incorporating liquid supply meters, and anemometers — MFN Free
  • 9026.80.60.00: Other — MFN Free

About this data

  • Reference statistics derived from USITC published data. Not a customs ruling; verify rates with a licensed customs broker before relying on them.

Last reviewed 2026-05-12.