光泽度仪 MN268 天光 天津 产品简介 * 体积小、重量轻,真正的便携机 Small and light, real easy to be carried and used. * 省电,省心,*一节电池可以连续使用近60小时,测量近万个数据 One mignon alkaline Battery can be used for almost 60 hours and 10000 reading. * 高稳定性、即开即测. High stability. * **命光源. Long-term stable light source needs no replacing for ever. * 石英晶体标准板,年变化率较低 Quartz crystal standard board, no excursion