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Data logging systems
Cameras, astronomy
Astrographs
Helioscopes
Reflectors, astronomical
Refractors, astronomical
Spectroscopes, astronomical
Spectrographs, astronomical
Astrolabes, Danjon prism
Theodolites, universal, astronomical (altazimuths)
Meridian circles, azimuthal circles
Astronomical clocks
Chronographs, astronomical, recording and printing
Sextants
Cameras, satellite
Image enhancement and pattern recognition equipment, electronic, for observatories
Telescopes, astronomical
Torque analysers
Ice detectors, road surface
Metal detectors for buried metal
Metal detectors and accessories, hobby and leisure use
Tramp metal detection equipment, timber
Tramp metal detectors, rubber and plastic industries
Tramp metal detectors, textile industry
Tramp metal detectors, chemical and pharmaceutical industries
Tramp metal detectors, food industry
Metal detectors for conveyor belts
Detection systems, dust, electric
Mine-detectors
Detectors, fluids, electronic
Leak detectors, ultrasonic
Torque indicators, electronic
Comparators, electronic
Comparators, electrical
Electronic noses
Stroboscopes, electronic
Thickness gauges, electric and electronic
Gauges, electronic, precision
Gauges, electrical
Atmospheric electricity monitoring equipment
Barometers
Barometers, test bench
Barometers, recording
Barographs
Meteorographs
Dew gauges, dew point indicators, meteorological
Evaporimeters, meteorological
Hygrometers
Hygrometers, recording (hygrographs), meteorological
Hygrometers, alarm
Thermo-hygrographs
Barohydrographs
Barothermohygrographs
Rain gauges
Rainfall alarms, meteorological
Rain collectors, meteorological
Snow gauges
Snowfall alarms, meteorological
Haze meters/transmissometers, meteorological
Actinometers, meteorological
Sunshine recorders, meteorological
Pyranometers/solarimeters
Pyrgeometers
Lightning detection systems
Lightning flash location systems
Storm location equipment
Wind speed meters (anemometers) and indicators
Anemometers, recording (anemographs)
Sensors and indicators, ground wind velocity
Wind direction indicators
Cloud direction and speed indicating and recording equipment
Cloud rangefinders
Nephoscopes
LIDAR (light detecting and ranging) systems (laser)
Ceilometers
Tide gauges (marigraphs), meteorological
Atmospheric ionisation measuring instruments
Airborne dust samplers, fall-out samplers
Visibility monitoring devices, meteorological
Balloons, meteorological
Meteorological parachutes
Weather stations, portable
Weather stations, mobile
Weather stations, fixed
Weather stations, independent
Map plotting/spotting instruments and equipment
Barometric transmitting instruments
Meteorological data transmission equipment
Meteorological data acquisition equipment, computerised
Receiving stations and equipment, meteorological data
Radio transmission equipment, meteorological
Radio telemetry equipment, meteorological
Densimeters, gamma ray
Combustion efficiency meters
Photosedimentometers, electric and electronic
Micrometers, electrical and electronic
Smoke density indicators, alarms and recorders
Warning tape, magnetised, for underground cable and installations detection and location
Underground warning tape, cable and pipe locating instruments