In. Licht Well vs Eulumdat

In. Licht Well is an intelligent, integrated solution designed to help users create a healthier indoor environment. Specifically tailored for high-end residential and commercial spaces, the system is capable of real-time monitoring and feedback on indoor lighting conditions, air quality, and thermal comfort. The system features real-time sensing capabilities across three main categories, covering a total of 19 key parameters: ・ Lighting Environment: Illuminance, Color Temperature (CCT), Standard Deviation of Color Matching (SDCM), Color Rendering Index (CRI / Ra), Duv, Equivalent Melanopic Lux (EML), Melanopic Equivalent Daylight Illuminance (M-EDI), Flicker ( Flicker Frequency, Flicker Index, Percent Flicker, SVM, Pst LM) ・ Air Quality: PM2.5, PM10, Carbon Dioxide (CO2), Total Volatile Organic Compounds (TVOCs), Formaldehyde (HCHO) ・ Thermal Comfort: Temperature, Relative Humidity

Eulumdat is a professional photometric data viewer for lighting engineers, designers, and architects. View and analyze LDT (EULUMDAT) and IES photometric files with beautiful interactive diagrams. Features: • Open and view LDT and IES photometric files • Multiple diagram types: Polar, Cartesian, Butterfly, Heatmap, BUG Rating, and LCS • Interactive 3D butterfly diagram visualization • Export diagrams to SVG • Convert between LDT and IES formats • Batch conversion support • Dark and light theme support • QuickLook preview integration (macOS) Perfect for: • Lighting designers reviewing luminaire data • Architects evaluating lighting fixtures • Engineers analyzing photometric distributions • Anyone working with lighting specification files