技术特性Characteristics Specifications:1.测试参数 Measure parameters ◆相对光谱功率分布RelativespectralpowerdistributionP( ) ◆色品坐标Chromaticitycoordinate:(x,y)、(u,v) ◆相关色温Correlativecolortemperature(CCT) ◆峰值波长Peakwavelength( P) ◆光谱半宽度FWHM(△ ) ◆主波长Dominantwavelength( D) ◆色纯度Purity(Pe) ◆显色指数CRI(Ra)/Ri(i=1-14) ◆红色比Redratio(R%) ◆光通量Luminousflux( V)