Sensirion has introduced three flow sensors for ventilators. All based on its SFM3xxx platform, they are intended for inspiratory applications at ambient pressure. SFM3119 (pictured) is a digital flow meter, the successor to its SFM3100. Flows of air, oxygen and air-oxygen mixtures between -10 and 240 slm are measured, and output in 16bit format updated at ...

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