NACE 26.51: Manufacture of instruments and appliances for measuring, testing and navigation

NACE Rev. 2.1 class. Replaces NACE Rev. 2 26.30, 26.51. Closest ISIC Rev. 4: 2630, 2651.

NACE Rev. 2.1 class 26.51 is "Manufacture of instruments and appliances for measuring, testing and navigation". It sits in section C (MANUFACTURING), then division 26 (Manufacture of computer, electronic and optical products), then group 26.5 (Manufacture of measuring testing instruments, clocks and watches). In the previous classification, NACE Rev. 2, the activity was covered by 26.30 (Manufacture of communication equipment), 26.51 (Manufacture of instruments and appliances for measuring, testing and navigation).

What the class includes

This class comprises the manufacture of search, detection, navigation, guidance, aeronautical and nautical systems and instruments; automatic controls and regulators for applications (for example, heating, air conditioning, refrigeration and appliances); instruments and devices for measuring, displaying, indicating, recording, transmitting and controlling temperature, humidity, pressure, vacuum, combustion, flow, level, viscosity, density, acidity, concentration and rotation; totalising (in other words, registering) fluid meters and counting devices; instruments for measuring and testing the characteristics of electricity and electrical signals; instruments and instrumentation systems for laboratory analysis of the chemical/physical composition or concentration of samples of solid, fluid, gaseous or composite materials; other measuring and testing instruments; and parts thereof. The manufacture of non-electric measuring, testing and navigating equipment (except simple mechanical tools) is included here. This class includes: - manufacture of aircraft engine instruments - manufacture of automotive emissions testing equipment - manufacture of meteorological instruments - manufacture of physical properties testing and inspection equipment - manufacture of polygraph machines - manufacture of radiation detection and monitoring instruments - manufacture of surveying instruments - manufacture of thermometers liquid-in-glass and bi-metal types (except medical) - manufacture of humidistats - manufacture of hydronic limit controls - manufacture of flame and burner control - manufacture of spectrometers - manufacture of pneumatic gauges - manufacture of consumption meters (e.g. water, gas, electricity) - manufacture of flow meters and counting devices - manufacture of tally counters - manufacture of mine detectors, pulse (signal) generators; metal detectors - manufacture of search, detection, navigation, aeronautical and nautical equipment, including sonobuoys - manufacture of radar equipment - manufacture of global positioning system (GPS) devices - manufacture of burglar- and fire-alarm systems, sending signals to a control station - manufacture of environmental controls and automatic controls for appliances - manufacture of measuring and recording equipment (e.g. flight recorders) - manufacture of motion detectors - manufacture of radars - manufacture of laboratory analytical instruments (e.g. blood analysis equipment) - manufacture of laboratory scales, balances, incubators and miscellaneous laboratory apparatus for measuring, testing, etc. - manufacture of sensors and sensing equipment

What it excludes

This class excludes: - manufacture of telephone answering machines, see 26.30 - manufacture of irradiation equipment, see 26.60 - manufacture of optical positioning equipment, see 26.70 - manufacture of dictating machines, see 28.23 - manufacture of weighing machinery (other than sensitive laboratory balances), levels, tape measures, etc., see 28.29 - manufacture of medical thermometers, see 32.50 - installation of industrial process control equipment, see 33.20

Correspondence with NACE Rev. 2

NACE Rev. 2	Label (Rev. 2)	Also maps to
26.30	Manufacture of communication equipment	1
26.51	Manufacture of instruments and appliances for measuring, testing and navigation	-

The label in 24 languages

bgПроизводство на уреди и апарати за измерване, изпитване и навигация
csVýroba měřicích, zkušebních a navigačních přístrojů
daFremstilling af instrumenter og udstyr til måling, afprøvning og navigation
deHerstellung von Mess-, Kontroll-, Navigations- u. Ä. Instrumenten und Vorrichtungen
elΚατασκευή οργάνων και συσκευών μέτρησης, δοκιμών και πλοήγησης
enManufacture of instruments and appliances for measuring, testing and navigation
esFabricación de instrumentos y aparatos de medida, verificación y navegación
etMõõte-, katse- ja navigatsiooniseadmete tootmine
fiMittaus-, testaus- ja navigointivälineiden ja -laitteiden valmistus
frFabrication d’instruments et d’appareils de mesure, d’essai et de navigation
gaMonarú ionstraimí agus fearas do thomhas, tástáil agus nascleanúint
hrProizvodnja instrumenata i aparata za mjerenje, ispitivanje i navigaciju
huMérőműszergyártás
itFabbricazione di strumenti e apparecchi di misurazione, prova e navigazione
ltMatavimo, bandymo, navigacinės ir kontrolės įrangos prietaisų ir aparatų gamyba
lvMērīšanas, pārbaudes, izmēģināšanas un navigācijas instrumentu un aparātu ražošana
mtManifattura tal-istrumenti u l-apparati tal-kejl, tal-ittestjar, u tan-navigazzjoni
nlVervaardiging van meet-, controle- en navigatie-instrumenten en -apparatuur
plProdukcja instrumentów i przyrządów pomiarowych, kontrolnych i nawigacyjnych
ptFabricação de instrumentos e aparelhos de medição, verificação e navegação
roFabricarea de instrumente și dispozitive pentru măsură, verificare, control, navigație
skVýroba nástrojov a zariadení na meranie, testovanie a navigovanie
slProizvodnja merilnih, preizkuševalnih in navigacijskih instrumentov in naprav
svTillverkning av instrument och apparater för mätning, provning och navigering

Neighbouring classes

26.52 Manufacture of watches and clocks

Use it

Convert a list of NACE Rev. 2 codes to Rev. 2.1 in your browser, or search all codes. The same data is available from the API and the MCP server.

Official classification texts from EU Vocabularies (Publications Office of the European Union, CC BY 4.0), read on 2026-10-05. Correspondence tables link classes that cover the same activities; one old class can be split across several new ones, so check the notes before you convert a dataset. Information only.