light intensity meter

基本解释

Light Meter: An electrical exposure meter for measuring light intensity.
測光表：用來測量光強度的一種電子曝光表。
fanpaiwang.blog.sohu.com
Measure light intensity on the water surface and at the bottom by a light probe connected to light meter.
用連接在光照度計上的光探頭測量水麪及水底的光照度。
Based on the principle of light extinction and using the photoelectric technology, a new type of smoke meter was designed to measure the smoke intensity of motorcycle exhaust.
根據消光式菸度計的工作原理，設計了一種基於光電檢測技術的新型消光式菸度計。