Oscilloscopes, spectrum analysers 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, xray, cosmic or other ionising radiation
Instruments and apparatus for measuring or detecting ionising radiations
Oscilloscopes and oscillographs
Instruments and apparatus for measuring or checking electrical quantities, specifically for telecommunications, e.g. crosstalk meters, gain measuring instruments, distortion factor meters, psophometers
Parts and accessories for instruments and apparatus for measuring or checking electrical quantities or for detecting ionising radiations, n.e.s.