Portable Magnetic High Accuracy Oxygen Analyzer Digital LCD Display Sound Alarm Customizable Oxygen Detector Runlai B100H Product Introduction The RL-B100H portable high-purity oxygen analyzer uses the zirconia 30 ion flow principle and is an intelligent analyzer with a microprocessor at its core. It can accurately measure oxygen concentration in mixed gases with an oxygen content of 80% to 99.99%. It is widely used for portable and rapid detection and analysis of oxygen