… 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 90.14, 90.15, 90.28 or …
Explanatory notes
… 90.26 ‑ Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flowmeters, level gauges, … (piping, etc.). Some flowmeters use the principle of the fluid meters of heading 90.28 (turbine‑type, piston‑type, …