Manufacture of instruments and appliances for measuring, testing and navigation

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

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