HT-Instruments-Light-Sensors-LED-lux-meter-622914-HT-Instruments-1009470-The-HT-Instruments-1009470-HT309-LED-lux-meter-is-designed-by-HT-Instruments-to-measure-light-intensity-ranging-from-40-to-400000-lx-This-LED-lux-meter-is-ideal-for-assessing-lighting-conditions-in-various-environments-like-offices-classrooms-and-laboratories-Its-compact-design-makes-it-suitable-for-technicians-and-lighting-professionals-performing-brightness-assessments-HT-Instruments-1009470-HT309-LED-Lux-Meter-40-