Digital lux meter with a measurement range of 0 to 200,000 lux. It features a min and max function and offers a sampling frequency of twice per second. The automatic shut-off occurs after 15 minutes. The high accuracy is within plus/minus three to four percent. With the DEM300 from Velleman, you get a digital lux meter that helps you better assess brightness levels. Its compact design makes the lux meter an ideal and easy-to-use companion that instantly and automatically corrects lighting parameters that are out of the norm. The measured values can be displayed in both lux and foot-candles (FC). The DEM300 is equipped with a four-digit LCD display that shows not only the measurement values but also the battery voltage and any range exceedance.