Electronic sensor that measures infrared light. Typical residential/commercial PIR-based motion detector (PID).An indoorlight switch equipped with PIR-based occupancy sensor[1]. In this video, an Instrument Choice Scientist uses the IC-TTV-335 to measurelight levels around the Instrument Choice offices. View the IC-TTV-335 here: https... When measuringindoorlight, the most crucial consideration is, what type of light do you wish to measure? 4. Using the Calculator. Tips: Measureindoorlight with a lux meter on the work surface. Outdoor light is typically 10,000 lux on a cloudy day (default value). Motion Sensor LightIndoor, Rechargeable Under Cabinet Lighting Wireless Closet Lights Stair Ligh... the difference between low light and bright-indirect light. how to measureindoorlight with a lux app or meter. They are commonly used to measureindoorlight intensity to ensure it meets the required standards. They are also used in workplace safety to ensure proper lighting. Spectroradiometers. Is your computer keeping you up late? f.lux is a free download that warms up your computer display at night, to match your indoorlighting. Learn everything about LED screen brightness, measurements, ideal levels for indoor/outdoor use, calibration tips, to boost visibility and viewer comfort. Like the "illumination" used to measureindoorlight and shade. For example, it is stipulated that the illumination on the desktop should not be less than 500 lux.