9026 (01/1988-..) Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases, e.g. flow meters, level gauges, manometers, heat meters (excl. instruments and apparatus of heading 9014, 9015, 9028 or 9032)

90261010 (01/1988-12/2005) Instruments and apparatus for measuring or checking the flow or level of liquids, for civil aircraft (excl. meters and regulators) 90261021 (01/2006-..) Electronic flow meters for measuring or checking the flow or level of liquids (excl. meters and regulators) 90261029 (01/2006-..) Electronic instruments and apparatus for measuring or checking the flow or level of liquids (excl. flow meters, meters and regulators) 90261051 (01/1988-12/2005) Electronic flow meters for measuring or checking the flow or level of liquids (excl. for civil aircraft, meters and regulators) 90261059 (01/1988-12/2005) Electronic instruments and apparatus for measuring or checking the flow or level of liquids (excl. for civil aircraft, flow meters, meters and regulators) 90261081 (01/2006-..) Flow meters for measuring or checking the flow or level of liquids, non-electronic (excl. meters and regulators) 90261089 (01/2006-..) Instruments and apparatus for measuring or checking the flow or level of liquids, non-electronic (excl. flow meters, meters and regulators) 90261091 (01/1988-12/2005) Flow meters for measuring or checking the flow or level of liquids, non-electronic (excl. for civil aircraft, meters and regulators) 90261099 (01/1988-12/2005) Instruments and apparatus for measuring or checking the flow or level of liquids, non-electronic (excl. for civil aircraft, flow meters, meters and regulators) 90262010 (01/1988-12/2005) Instruments and apparatus for measuring or checking pressure of liquids or gases, for civil aircraft (excl. regulators) 90262020 (01/2006-..) Electronic instruments and apparatus for measuring or checking pressure of liquids or gases (excl. regulators) 90262030 (01/1988-12/2005) Electronic instruments and apparatus for measuring or checking pressure of liquids or gases (excl. for civil aircraft and regulators) 90262040 (01/2006-..) Spiral or metal diaphragm type pressure gauges 90262050 (01/2001-12/2005) Spiral or metal diaphragm type pressure gauges (excl. for civil aircraft) 90262051 (01/1988-12/2000) Spiral or metal diaphragm tyre pressure gauges, for measuring and non-automatically regulating tyre pressure (excl. for civil aircraft) 90262059 (01/1988-12/2000) Spiral or metal diaphragm tyre pressure gauges (excl. for civil aircraft and for measuring and non-automatically regulating tyre pressure) 90262080 (01/2006-..) Instruments and apparatus for measuring or checking pressure of liquids or gases, non-electronic (excl. spiral or metal diaphragm type pressure gauges, and regulators) 90262090 (01/1988-12/2005) Instruments and apparatus for measuring or checking pressure of liquids or gases, non-electronic (excl. for civil aircraft, spiral or metal diaphragm type pressure gauges, and regulators) 90268010 (01/1988-12/2005) Instruments or apparatus for measuring or checking variables of liquids or gases, for civil aircraft, n.e.s. 90268020 (01/2006-..) Electronic instruments or apparatus for measuring or checking variables of liquids or gases, n.e.s. 90268080 (01/2006-..) Non-electronic instruments or apparatus for measuring or checking variables of liquids or gases, n.e.s. 90268091 (01/1988-12/2005) Electronic instruments or apparatus for measuring or checking variables of liquids or gases, n.e.s. 90268099 (01/1988-12/2005) Non-electronic instruments or apparatus for measuring or checking variables of liquids or gases, n.e.s. 90269000 (01/2007-..) Parts and accessories for instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases, n.e.s. 90269010 (01/1988-12/2005) Parts and accessories for instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases, for civil aircraft, n.e.s. 90269090 (01/1988-12/2005) Parts and accessories for instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases, n.e.s. (excl. for civil aircraft) 9027 Instruments and apparatus for physical or chemical analysis, e.g. 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, incl. exposure meters, microtomes