Instruments and appliances for measuring, checking, testing, navigating and other purposes, except optical instruments; industrial process control equipment; parts and accessories thereof

Medical appliances, precision and optical instruments, watches and clocks

Navigational, meteorological, geophysical and similar instruments and appliances

Radar apparatus, radio navigational aid apparatus and radio remote control apparatus

Precision balances; instruments for drawing, calculating, measuring length, etc.

Instruments and apparatus for measuring or checking electrical quantities, except electricity production or supply meters; instruments and apparatus for measuring or detecting ionizing radiations

Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases except navigational, hydrological or meteorological instruments and appliances, gas or liquid supply meters, and automatic regulating or controlling instruments and apparatus for physical or chemical analysis, for measuring or checking viscosity, porosity, expansion, surface tension or the like, or for measuring or checking quantities of heat, sound or light

Other measuring, checking and testing instruments and appliances

Parts and accessories for the goods of classes 4821 and 4823 to 4826