26.51 - Manufacture of instruments and appliances for measuring, testing and navigation
This class comprises manufacture 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. 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 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.
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
Loghin System
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