特点：本仪器用于测定纸张、建筑材料、淀粉、麦粉、食用白糖、食盐等等的兰光白度。本仪器为手动校零校标的仪器。适合中小型企业应用。Characteristic:measurethebluewhitenessofthematter,suchaspapers,buildingmaterials,amylum,flour,sugarandsalt;manualcorrect;applicableforsmallandmediumenterprises主要技术参数SPECIFICATIONS 测量范围MeasuringRange 0～120 照明方式Illuminationgeometricconditionsoftheinstrument 45/0 峰值波长Peakofwavelength 457nm 稳定性Stability 0.2 重复性Repeatability 0.3 示值误差Accuracy 1.5%