HS CodesXVIII · Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof90 · Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof90289028Chapter 90Copy pageGas, liquid or electricity supply or production meters, including calibrating meters thereforDescriptionGas, liquid or electricity supply or production meters, including calibrating meters thereforSubheadings902810Gas meters902820Liquid meters902830Electricity meters902890Parts and accessoriesWas this page helpful?YesNoPrevious9027Instruments 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); microtomesNextRevolution counters, production counters, taximeters, milometers, pedometers and the like; speed indicators and tachometers, other than those of heading 9014 or 9015; stroboscopes9029