![]() One lux (1 lux) is defined as being equivalent to one lumen spread over an area of one square metre. * Please note that these are sample figures for example purposes only & the actual output can vary. Office ceiling lighting panel installations General domestic & task lighting applications High bay factory lighting or warehouse lighting lighting installationsĮnergy efficient replacement for 400W metal halide and sodium high bays Some examples of total lumens output (as measured in lumens) from common commercial & industrial light sources are given below: This total measured light may also be referred to by commercial or industrial lighting engineers as "luminous flux". The lumen is a standardised unit of measurement of the total "amount" of light packets (or quanta if you want to get technical!) that is produced by the light source - such as a lamp, tube or LED chip. its lumens output) and the desired surface area to be lit. The lighting output of a light fitting is typically reported as a lumens output - the intensity of light on a surface (the lux) is dependent on the intensity of the light source (i.e. professional indoor sport, detailed drawing or mechanical work, prolonged small size & low contrast visual work etc., this can require illumination levels from 1,500 all the way up to 20,000 lux in extreme cases. School Classroom, University Lecture Hallįor commercial & industrial environments where specialised tasks are performed e.g. ![]() Office, Show Rooms, Laboratories, Kitchens ![]()
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