31173000 - Instrument transformer

CPV code 31173000 in the EU Common Procurement Vocabulary refers to Instrument transformer. It sits at level 4 of the CPV hierarchy as a category within the 31 division. This code is nested directly under 31170000, narrowing the broader category into the specific area of instrument transformer. As a leaf code, 31173000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns instrument transformer. Contracting authorities across the EU use 31173000 in TED notices and national procurement portals to signal that a tender relates to instrument transformer.