Class · NACE Rev. 2.1
26.51 Manufacture of instruments and appliances for measuring, testing and navigation
active
Includes
The manufacture of non-electric measuring, testing and navigating equipment (except simple mechanical tools) is included here.
- 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
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
What changed from NACE Rev. 2
Per the official Eurostat correspondence table (NACE Rev. 2 → NACE Rev. 2.1):
| NACE Rev. 2 origin | Heading (Rev. 2) | Mapping | Type |
|---|---|---|---|
| 26.30 | Manufacture of communication equipment | NACE Rev. 2 class 26.30 is mapped to NACE Rev. 2.1 classes 26.30, 26.51 | 2:2 |
| 26.51 | Manufacture of instruments and appliances for measuring, testing and navigation | NACE Rev. 2 class 26.51 is mapped to NACE Rev. 2.1 class 26.51 | 2:2 |
Content moved from 26.30 includes:
- manufacture of burglar and fire alarm systems, sending signals to a control station
Related codes
Reference data
| Code | 26.51 |
|---|---|
| Level | Class |
| Parent | 26.5 |
| Classification | NACE Rev. 2.1 |
| Legal basis | Commission Delegated Regulation (EU) 2023/137 |
| Source | Eurostat (ShowVoc dissemination platform) |
| Data checked | 2026-07-20 |