Oxygen Flow Meter – Overview An oxygen flow meter is a device used to control and measure the flow rate of oxygen being delivered from an oxygen source (such as a cylinder or wall supply) to a patient. It ensures that the correct amount of oxygen (in liters per minute) is administered safely. 🛑Uses • To regulate the flow rate of oxygen to patients. • To ensure accurate oxygen delivery via nasal cannula, face mask, or ventilator. • To prevent hypoxia or oxygen toxicity due to incorrect flow rate