Manufacture of instruments and appliances for measuring, testing and navigation
What this code covers
Use this class for manufacture of instruments and appliances for measuring, testing and navigation when the main activity 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. and The manufacture of non-electric measuring, testing and navigating equipment (except simple mechanical tools) is included here.. Check exclusions and nearby codes before applying it to a mixed activity.
Official NACE Rev. 2.1 labels and explanatory notes are imported from the source dataset. Plain-language explanations are shown separately so readers can compare interpretation with the source text.
No child codes; this is a class-level code.
- 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.
- manufacture of aircraft engine instruments
- manufacture of automotive emissions testing equipment
- 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
- Compare with 26.30, 26.60, 26.70 when the main activity overlaps another code.
- Review the Rev. 2 to Rev. 2.1 mapping type before migrating old records.
- Check national equivalent caveats before using this code for local registration or filing workflows.
- If the main revenue activity appears in an exclusion, compare the alternative code before deciding.
Use this guide as classification support, not legal, tax, filing, or regulatory advice.
- - 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.
- - 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
- - 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
- - 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.
- - Manufacture of aircraft engine instruments
- - Manufacture of automotive emissions testing equipment
- - Manufacture of telephone answering machines
- - Manufacture of irradiation equipment
- - Manufacture of optical positioning equipment
- - Manufacture of dictating machines
What is NACE 26.51 used for?
Use NACE 26.51 for manufacture of instruments and appliances for measuring, testing and navigation when the main activity matches this scope: Use this class for manufacture of instruments and appliances for measuring, testing and navigation when the main activity 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. and The manufacture of non-electric measuring, testing and navigating equipment (except simple mechanical tools) is included here.. Check exclusions and nearby codes before applying it to a mixed activity.
What are typical examples for 26.51?
Typical examples include 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., and Manufacture of aircraft engine instruments.
When might 26.51 not be the right code?
Review another code when the activity is closer to manufacture of telephone answering machines, see 26.30 and manufacture of irradiation equipment, see 26.60.
Which codes should I compare before choosing 26.51?
Compare 26.51 with 26.30 Manufacture of communication equipment, 26.60 Manufacture of irradiation, electromedical and electrotherapeutic equipment, and 26.70 Manufacture of optical instruments, magnetic and optical media and photographic equipment when the activity description is ambiguous.
Use this class for manufacture of communication equipment when the main activity includes Manufacture of central office switching equipment and Manufacture of cordless telephones. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for manufacture of irradiation, electromedical and electrotherapeutic equipment when the main activity includes Manufacture of irradiation apparatus and tubes (e.g. industrial, medical diagnostic, medical therapeutic, research, scientific): and Alpha, beta, gamma, X-ray or other radiation equipment. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for manufacture of optical instruments, magnetic and optical media and photographic equipment when the main activity includes Manufacture of optical mirrors and Manufacture of optical gun-sighting equipment. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for manufacture of office machinery and equipment, except computers and peripheral equipment when the main activity includes Manufacture of calculating machines and Manufacture of cash registers. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for manufacture of other general-purpose machinery n.e.c. when the main activity includes Manufacture of weighing machinery (other than sensitive laboratory balances), including weight-operated counting or checking machines (e.g. household and shop scales, platform scales, scales for continuous weighing, weighbridges, weighing machines) and Manufacture of filtering or purifying machinery and apparatus for liquids (e.g. for oil, fuel). Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for manufacture of medical and dental instruments and supplies when the main activity includes Manufacture of surgical drapes and sterile yarns/tissue and Manufacture of dental fillings and cements (except denture adhesives), dental wax and other dental plaster preparations. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for installation of industrial machinery and equipment when the main activity includes Installation of industrial machinery in industrial plant and Installation and assembly of industrial process control equipment. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for manufacture of watches and clocks when the main activity includes Manufacture of watches and clocks of all kinds, including instrument panel clocks and Manufacture of watch and clock cases, including cases of precious metals. Check exclusions and nearby codes before applying it to a mixed activity.
Use this group for manufacture of measuring testing instruments, clocks and watches when the main activity includes Manufacture of instruments and appliances for measuring, testing and navigation and Manufacture of watches and clocks. Check exclusions and nearby codes before applying it to a mixed activity.
Rev. 2 code 26.30 can map to more than one Rev. 2.1 class: 26.30 Manufacture of communication equipment, 26.51 Manufacture of instruments and appliances for measuring, testing and navigation.
Official close match imported from NACE Rev. 2.1.
Datasets, CRM segments, KYC rules, reporting logic, and historical joins may need review because the activity scope is not a simple unchanged carry-over.
Review the official explanatory notes for each target code and confirm whether the business activity still fits the suggested Rev. 2.1 class.
Rev. 2 code 26.51 is one of multiple older codes associated with Rev. 2.1 class 26.51 Manufacture of instruments and appliances for measuring, testing and navigation.
Official close match imported from NACE Rev. 2.1.
Datasets, CRM segments, KYC rules, reporting logic, and historical joins may need review because the activity scope is not a simple unchanged carry-over.
Confirm the target version field and update references where Rev. 2.1 is required.