CPV code 38900000 designates Miscellaneous evaluation or testing instruments in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
38900000 sits under 38000000 (Laboratory, optical and precision equipments (excl. glasses)) and groups 7 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.