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led lamp illuminance and luminance is what is the relationship?
longtech [http://yijusz.com/led/e/] 2015-10-04 12:12:13
led lamp illuminance and luminance is what is the relationship?
led lamp illuminance and luminance is what is the relationship?
led lamp illumination: illumination units usually LUX, testing equipment is relatively simple, ordinary light meter, the market for sale, cheap
led lamp flux: luminous flux unit usually LM, testing equipment is more complex, using an integrating sphere, expensive equipment, special equipment.
led lamp brightness: brightness per unit area of the illumination is.
Usually we can use cheaper illuminometer test to estimate the brightness of illumination, but also to achieve the test results and purpose.