The Lighting Passport is ideal for Lighting designers, consultants and manufacturers seeking a certified and NIST traceable hand held spectrometer.The actual measuring instrument itself is lightweight and compact making it highly portable while all the computational and display work is done by a SMART APP running on an IOS or Android device. The instruments’ measurement range and accuracy are best-in-class, certified and NIST traceable.KEY FEATURESIlluminanceCRI (Re, Ra)TM-30-15CIE 1931IEC SDCMFlicker (index, %, Freq.)Continuous measurement