CPV code 38500000 designates Checking and testing apparatus in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
38500000 sits under 38000000 (Laboratory, optical and precision equipments (excl. glasses)) and groups 8 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.