1、 内置功能强大的数控恒流电源；      利益点：有效的避免测试的系统性误差，提高测试精度；2、 先进的快速光谱分析模块，采用一系列高新技术计量标准(如中国计量科学研究院直接量传等)；      利益点：快速、稳定的全面检测功能，能够大幅提高企业的生产效率；3、 精确测试大功率LED的光、色、电参数；4、 设置正向电压、光通量、波长、色温、（X，Y）坐标等参数，进行大功率LED的自动分档筛选并自动产生箱号，分拣操作方便；      利益点：提高生产效率；5、 提供Ir卡测；6、 提供偏置功能，可进行主要参数的OFFSET，方便参数设置；7、 测试速度：1K/h-1.5K/h；8、 集成两种夹具，分别支持不带铝基板和带铝基板的大功率LED分选；      利益点：兼容性强，降低企业的生产成本；9、 高效的人机交互界面，简捷的操作模式；      利益点：操作便捷简单，易学易用，进一步提升人员的利用效率；10、 支持参数设置和数据保存；11、 所有数据报表支持PDF和EXCEL文档转换；12、 所有测试条件符合CIE相关标准       注：可配合X1自动分BIN机完成高精度快速的分BIN工作。    3900 High-power ManualSpectrophotometer 1、 With powerful numerical control constant current source inside;        Advantage: avoid the systemic error effectively and improve the precision;2、 Advanced rapid spectral analysis module with great accuracy and repeatability. Our calibrations are available with traceability to NIM standards.        Advantage: rapid and steady inspection function improves the production efficiency greatly;3、 Test the optical、color、electrical parameters of high-power LED accurately;4、 It is very convenient to filtrate and classify the high-power LED and produce the box number automatically through the setting of forward voltage、luminous flux、wavelength、color temperature and X，Y coordinates;   Advantage: improve the production efficiency;5、 Ir card test;6、 It has the OFFSET function for all parameters; 7、 High-speed test for 1K/h-1.5K/h;8、 This system includes two kinds of fixture to sort for LED(with aluminum plate and non-aluminum plate).       Advantage: good compatibility and low cost;9、 With high efficient human-computer interaction and humanity operation module;       Advantage: it is easy to operate and learn;10、 All parameters data can be set up and stored;11、 Auto-merge with PDF and EXCEL;12、 These systems comply with CIE standard.        Note: accompanied with X1, it can sort(BIN) more quickly and accurate.