The Combined Nomenclature (CN), v1:2022
9030: Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities (excl. meters of heading 9028); instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionising radiations
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=a2a52813-81e3-4448-b7d4-12b366c09580