Low price high precision portable digital light lux meter lx101bs
The digital lux meter BJ-1010BS can measure up to 100,000 lux. It's used for checking the level of luminance, luminance is a measure of the amount of light falling on a surface. It is defined as: 'the density of the luminous flux incident on a surface'. It is the quotient of the luminous flux by the area of the surface when the latter is uniformly illuminated.. This convenient gadget is widely used in many areas such as construction, inspection, photography and etc.