CPV code 38420000 designates Instruments for measuring flow, level and pressure of liquids and gases in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
38420000 sits under 38400000 (Instruments for checking physical characteristics) and groups 9 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.