Eurolite LM-50 Luxmeter, LM-50 Lux meter. Digital light meter for a fast illumination measurement. 3 selectable measuring ranges from 0-50000 lux, Large 3 ½ digit LCD; can be clearly read out even in suboptimal lighting conditions, Auto zero adjustment, Data Hold function, Battery status indicator, External light sensor for easy and handy operation, High accuracy of measurement, Rapid response, Operation via 9 V block battery, Incl. battery and carrying case,