… Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flow meters, … gauges, manometers, heat meters), excluding instruments and apparatus of heading 90.14, 90.15, 90.28 or 90.32. …
Explanatory notes
… 90.26 ‑ Instruments and apparatus for measuring or checking the flow, level, … a needle or a pointer. In some devices the variations are converted into electrical signals. Measuring or checking … balance or flow transmitters, etc., type). (2) Variable area (variable aperture) flowmeters . These usually consist …