The Combined Nomenclature (CN), v1:2021
9030: Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities (excl. meters of heading 9028
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=49fd4a4b-3be3-4389-9b78-b2a56918d44c