... flowing speed of medium and high speed flowing up to 200L per minute. The flow meter is able to measure, display ... petroleum industry, medical, environment protection, etc.ApplicationIt widely used in gas analyzer, low vacuum control, process control, oxygen supply, anesthesia control ... ,0-15L/min, 0-20L/min, 0-100L/min, 0-200L/min. 2.Accuracy: ±2%3.Response circus: 0.5 sec4 ...