【主要特点】

● 低色散高硬度玻璃台面
● 高反差标尺，阴影边界平直清晰
● 测定范围：R.I.=1.35-1.81
● 示值误差：≤±0.003
● 不锈钢测试台面，便于清洗
● 外型美观大方
● 有多种光源、单色滤色片等附件可供选

Key Features:
●High hardness glass test table
●With very low dispersion and by advanced optic system, shadow edge is straight and clear.
●Scale range: 1.35-1.8
●Error ≤ ±0.003
●Stainless steel table, easy to clean
●Optional Accessories: such as monochromatic filter, LED light source, etc.