# United States tariff lines under HS 9030.40

> The United States tariff splits HS 9030.40 (other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)) into 1 national line: 9030.40.00.00 (other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)). Every United States line under 9030.40 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/903040
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 90](https://border.bot/countries/united-states/hs-codes/90) / [9030.40](https://border.bot/countries/united-states/hs-codes/903040)

## Key facts

- HS subheading: [9030.40](https://border.bot/hs-codes/903040)
- Duty (MFN): Free
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

## United States lines under 9030.40

The United States tariff splits HS 9030.40 (other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)) into 1 national line: 9030.40.00.00 (other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)).

Every United States line under 9030.40 is free of general (MFN) duty.

- [9030.40.00.00](https://border.bot/countries/united-states/hs-codes/9030400000) Other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers). Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 9030.40 yet.

- [The Harmonized System text for 9030.40](https://border.bot/hs-codes/903040)

- Previous subheading: [9030.39](https://border.bot/countries/united-states/hs-codes/903039) Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​
- Next subheading: [9030.82](https://border.bot/countries/united-states/hs-codes/903082) Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9030.40?

The United States tariff splits HS 9030.40 (other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)) into 1 national line: 9030.40.00.00 (other instruments and apparatus, specially designed for telecommunications (for example, cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)).

### What is the duty on HS 9030.40 in the United States?

Every United States line under 9030.40 is free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/903040.json