BYS-820 is a bubble detector and pressure sensor that can precisely detect air bubbles. It features KVO and Bolus functions, a unique voice alarm system and an accurate injection rate to make the injection process safer and more reliable. It has the ability to automatically calibrate and is compatible with the different brands of infusion sets. BYS-820 has two work modes, ml/h and drop/min, that can be switched freely and easily. Its HD LCD screen allows you to monitor the working status.