| This test system is suitable for Energy-saving lamp, Fluorescent lamp, HID lamp (high voltage sodium lamp, high voltage mercury lamp), CCFL, phosphor photometry and colorimetry analysis and meets the requirements of CIE for the measurement of photometry and colorimetry. •Measure Vrms, lrms, W, PF; •Measure and display the relative spectral power distribution （UV-VIS-NIR）P(λ), chromaticity coordinate, correlated color temperature, rending index, color difference, peak wavelength, luminous flux, luminous flux efficiency and photometry parameters of light source and light material under the control of general PC.•Range of wavelength: 380nm-780nm, (Special: 200nm-780nm).•Accuracy of wavelength: ±0.2nm.•Repeatability of wavelength: ±0.1nm. •Reports in English. RS-232-C interface compatible with all kinds of computer. •Accuracy of chromaticity coordinate: ±0.0003(under standard illuminate A).•Accuracy of luminosity: 1 class. •Temperature measure range(In sphere): -10℃～100℃ | 
