Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flow meters, level gauges, manometers, heat meters), excluding instruments and apparatus of heading 9014, 9015, 9028 or 9032
Instruments and apparatus for measuring or checking pressure of liquids or gases (excl. regulators)
Instruments and apparatus for measuring or checking the flow or level of liquids (excl. meters and regulators)
Instruments or apparatus for measuring or checking variables of liquids or gases, n.e.s.
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.