Recently we develop a new Color LCD Lux meter, and take a look the below instroduction:
Visible light emitted by fluorescent lamp, metal halide lamp, high voltage sodium lamp or incandescent lamp can be measured. One lux is the light received on the surface of a candle with a vertical intensity of 1 meters and an area of 1 square meters.One FC is the light received on the surface of a 1 inch square foot at a distance of 1 feet from a candle with a light intensity
