Welcome to Hopoocolor, a global leader in lighting optical detection built on innovation, collaboration and engineering excellence. HopooWhy Hopoo haveWithHopoo successfully developed a series of multi-functional optical testing equipm …
Read MoreSimple popular science light meter function
Illumination intensity (mostly called illuminance for short) refers to the level at which the object is illuminated, and refers to the ratio of the luminous flux outside the object to the illuminated area. Illuminance meter is commonly used to measure luminosity and brightness
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