… liquids or gases (for example, flow meters, level gauges, manometers, heat meters), excluding instruments and …
Explanatory notes
… more specifically covered by other headings of the Nomenclature, such as : (a) Pressure‑reducing valves and … etc., are to be classified as indicated in the Explanatory Note to heading 84.81. (I) APPARATUS FOR MEASURING OR … or Venturi tube, simple diaphragm, orifice plates, shaped nozzle) to set up a differential pressure, and (ii) a …