Product classification
HS code for Signal analyzer: 9030.20
Oscilloscopes and oscillographs.
Classification of signal analyzer under HS 9030.20
Signal analyzers are classified under HS code 9030.20, which specifically covers oscilloscopes, oscillographs, and other instruments for measuring or checking electrical quantities. This classification is determined by the primary function of the device, which is to capture, analyze, and display the characteristics of electrical signals, such as frequency, amplitude, and phase. Under the General Rules for the Interpretation (GRI) of the Harmonized System, products are classified based on their technical characteristics and intended use. Since signal analyzers are precision instruments used for measuring electrical parameters, they fall squarely within Chapter 90. Specifically, heading 9030 encompasses instruments and apparatus for measuring or checking electrical quantities, and subheading 9030.20 is designated for oscilloscopes and related signal-capturing devices. This includes both analog and digital variants that provide a visual representation of signal waveforms or spectral data. The classification process involves identifying the core utility of the device; for a signal analyzer, this is the measurement of electrical properties over time or frequency. This distinguishes it from general-purpose computers or telecommunications equipment. The HS code 9030.20 is globally recognized, ensuring that customs authorities can consistently identify these high-precision tools. Importers must ensure that the technical specifications of the analyzer align with the definitions provided in the Explanatory Notes to the Harmonized System, which clarify that instruments for observing the shape of a signal or measuring its parameters are included here.
- Covers
- Spectrum analyzers
- Vector signal analyzers
- Logic analyzers
- Digital storage oscilloscopes
- Mixed signal oscilloscopes
- Network analyzers (when used for signal checking)
- Also under 9030.20
- Tektronix MSO series
- Keysight InfiniiVision
- Rohde & Schwarz R&S RTO
- Rigol DS series
- Siglent SDS series
Codes often confused with 9030.20
Common mistake. Signal analyzers are frequently confused with HS code 9030.31, which is reserved for multimeters without a recording device. While both measure electrical quantities, a signal analyzer's ability to capture and analyze complex waveforms or frequency spectra distinguishes it from a simple multimeter. Another common error is using 9030.33, which covers other instruments for measuring voltage, current, or resistance without a recording device. If the analyzer has a digital display and memory for recording data, 9030.20 is the more appropriate classification. Additionally, some importers mistakenly use 8471.30 for portable data processing machines if the analyzer is PC-based; however, GRI 3(a) dictates that the most specific description (measuring instrument) takes precedence over a general one (data processing).
Top exporters and importers of HS 903020 (the code used for signal analyzer), 2025
In 2025, the largest exporter of HS 903020 (the code used for signal analyzer) in UN Comtrade data was Malaysia, with 32% of world exports; the largest importer in UN Comtrade data was China, with 17% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 903020, not only signal analyzer.
Top exporters 2025 · share of world exports
- 1 Malaysia $393M 32% of world exports
- 2 United States $198M 16% of world exports
- 3 China $134M 11% of world exports
World total: $1.2B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 China $221M 17% of world imports
- 2 United States $153M 12% of world imports
- 3 Malaysia $107M 8.2% of world imports
World total: $1.3B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM codes for signal analyzer
Brazil splits HS 9030.20 into 5 NCM codes. Pick the one that matches your product:
- 9030.20.10Digital oscilloscopes
- 9030.20.21Analogue oscilloscopes, 60 MHz or more
- 9030.20.22Vectorscopes
- 9030.20.29Other analogue oscilloscopes
- 9030.20.30Oscillographs
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about signal analyzer
What is the HS code for Signal analyzer?
The HS code for Signal analyzer is 903020 (Oscilloscopes and oscillographs). The primary HS code for a signal analyzer is 9030.20, which covers oscilloscopes and other instruments for measuring or checking electrical quantities.
How do I classify Signal analyzer for customs?
Signal analyzer is classified under HS code 903020 — Oscilloscopes and oscillographs. This is a 6-digit subheading level code.
Is a spectrum analyzer classified differently than a signal analyzer?
Generally, no. Most spectrum analyzers are classified under 9030.20 or 9030.33 depending on their specific recording capabilities and whether they function as an oscilloscope, but 9030.20 is the standard for signal-capturing analysis tools.
Which countries are the top exporters of signal analyzer (HS 903020)?
In 2025, the top exporters of HS 903020 (the code used for signal analyzer) in UN Comtrade data were Malaysia ($393M, 32% of world exports), the United States ($198M) and China ($134M). World exports came to about $1.2B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of signal analyzer (HS 903020)?
In 2025, the top importers of HS 903020 (the code used for signal analyzer) in UN Comtrade data were China ($221M, 17% of world imports), the United States ($153M) and Malaysia ($107M). World imports came to about $1.3B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Signal analyzer the same in all countries?
The base HS code 903020 for Signal analyzer is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for signal analyzer in Brazil?
Brazil splits HS 903020 into 5 NCM codes, so the right one for signal analyzer depends on the product's details: 9030.20.10 (Digital oscilloscopes), 9030.20.21 (Analogue oscilloscopes, 60 MHz or more), 9030.20.22 (Vectorscopes), 9030.20.29 (Other analogue oscilloscopes), 9030.20.30 (Oscillographs).