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配合各種積分球用于測量大小功率LED的總光通量及相關電性能參數，內置恒流源，操作方便、顯示直觀，適合LED電參數光通

量快速測試和質量控制。

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.