The name "Black Box" not only echoes the stable and professional appearance of the equipment, but also implies its core advantage of "simplifying complexity", implying professionalism and reliability. ——It is like a powerful smart black box, a precise module that can be trusted without disassembling its internal principles. It encapsulates complex dilution and calibration processes into simple operations, and you only need to input simple instructions. It can complete all complex calculations and operations internally, output stable and reliable results, firmly encapsulate uncertainty, and present the purest accuracy. Enable teachers to focus more on the experiment itself, making it worry free and efficient.