本机以低功耗、便携式为主要特点，以光频检测方法为核心，结合高精度传感器，通过键盘和LCD显示屏进行人机交互，提供了一种简单、可靠、精度较高的甲醛溶液浓度检测方法-The machine takes the low power consumption and the portable as the main features, and takes the optical frequency detection method as the core, combined with the high precision sensor, carries on the human-computer interaction through the keyboard and the LCD display, has provided a simple, reliable and high precision formaldehyde solution Concentration detection method.