LED tester for Luminous flux, intensity, angle, wavelength, half-wave width, CRI, chromaticity coordinates, Tc, IF, VF,etc; ZWL-600 is ... (0.1~300.00lm)Comprehensive functions:Support wavelength, half-wave width,CRI, chromaticity coordinates, color temperature measurement etc.Superior performance:Meet ... test standard like IEC, CIE, ENERGY STAR,NIM, etc; LED tester