外观简洁大方，功能简单实用；
The appearance is simple and generous, and ;the function is simple and practical;
直读浓度，测定结果准确；
Direct reading concentration, accurate measurement results;;
内存标准曲线，可一键校正，具有断 电保护功能；
Memory standard curve, one key correction, with break Electrical protection function;
配备完善的耗材试剂，实验 工作方便快捷，测更加简单、准确；
Equipped professional supplies reagents, testing of work They fast, simple measurement is more accurate;
15-20分钟