Lsg-3000 moving detector goniophotometer completely meets lm-79 clause 9.3.1 requirement. The lsg-3000 is an automatic light distribution intensity 3d curve testing system for measuring light. The measuring distance is from 5m to 30m. It can measure all types of lighting sources, led or hid luminaires such as indoor and outdoor luminaires, roadway luminaires, street lamps, flood lights and other kinds of luminaires.