lumen, mcd, color tester ZWL-600 Photometric Colorimetric and Electric Test Systemrapid, steadyThe ... flux 0-300 lm (expandable), luminous intensity 0-300 cd),color parameters(color temperature 1300-25000 K, wavelength 380-780 nm (UV, Ir ... comply with CIE standard. ZWL-600 LED lumen, angle and color temperature measurement system