配合各种积分球用于测量大小功率LED的总光通量及相关电性能参数，内置恒流源，操作方便、显示直观，适合LED电参数光通

量快速测试和质量控制。

The system (coordinate with various integrating spheres) can measure total luminous flux and relative electric parameters

of the low power or high-power LED, with constant current power supply, easy operation, visual display. Suitable for LED

electrical parameters luminous flux rapid test and quality control.