detailed explanation for each SIC code - Biffa

UK Standard Industrial Classification of Economic Activities 2007 – SIC(2007)
Explanatory Notes
26.51 Manufacture of instruments and appliances for measuring, testing and navigation
This class comprises manufacturing of search, detection, navigation, guidance, aeronautical, and nautical systems and
instruments; automatic controls and regulators for applications, such as 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 (i.e., 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 or physical composition or concentration of
samples of solid, fluid, gaseous, or composite material; other measuring and testing instruments and parts thereof.
C
The manufacture of non-electric measuring, testing and navigating equipment (except simple mechanical tools) is included
here.
This class includes:
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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 bimetal 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 GPS devices
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 industrial process control equipment
This class excludes:
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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 devices (other than 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
manufacture of simple mechanical measuring tools (e.g. measuring tapes, calipers), see manufacturing class according to
main material used
26.51/1 Manufacture of electronic instruments and appliances for measuring, testing, and navigation, except industrial
process control equipment
26.51/2 Manufacture of electronic industrial process control equipment
This subclass includes:
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manufacture of components for electronic industrial continuous process control systems (also for automated production
plants consisting of various machines, handling devices and centralised controlling apparatus)
26.51/3 Manufacture of non-electronic instruments and appliances for measuring, testing and navigation, except industrial
process control equipment
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