The Digital Lux Meter, DLM, device is applicable to measure the amount of light intensity in indoor and outdoor environments. This device is easy-to-use and has an independent sensor probe as well for easy and accurate measuring. The DLM measures the light intensity at the specified points by user in two units, Lux and fc, instantly or averagely and, also, saves the measured data in its internal memory. It could be used in several places including workshop, official, laboratory, Industrial or research center for the several fields including measurement, investigation and light intensity fluctuations analysis