HSN CodeHSN Description

8523Discs, tapes, solid-state non-volatile storage devices, ""smart cards"" and other media for the recording of sound or of other phenomena, whether or not recorded, including matrices and masters for the production of discs, but excluding products of chapter 37

9027Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes

9031Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors