pulsed-light cloud-height indicator

pulsed-light cloud-height indicator

[′pəlst ′līt ′klau̇d ‚hīt ′in·də‚kād·ər] (engineering) An instrument used for the determination of cloud heights; it operates on the principle of pulse radar, employing visible light rather than radio waves. Also known as pulsed-light ceilometer.