Explosion Proof NDIR Multi Infrared Gas Analyzer Runlai E150, High Accuracy Customizable Gas Detector for Simultaneous CH4, CO, CO2, SF6, SO2, CnHm and NH3 Industrial Gas Testing Runlai RL-E150 explosion-proof infrared gas analyzer adopts a non-dispersive infrared sensor, featuring long lifespan, high sensitivity, high accuracy, and fast response. It also comes with a high-performance embedded integrated TFT true-color display. It is widely used in the air industry,