Ceilometer
A ceilometer is a device that uses a laser or other light source to determine the height of a cloud ceiling or cloud base.[1] Ceilometers can also be used to measure the aerosol concentration within the atmosphere.[2] A ceilometer that uses laser light is a type of atmospheric lidar (light detection and ranging) instrument[1]
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Ceilometer Media
Ceilometer (in en). Wikipedia (2025-06-30). Retrieved 2025-08-03.