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The SFM3400 sensor series is Sensirion’s digital flow meter designed for neonatal/pediatric medical applications. It measures the flow rate of air, oxygen and other nonaggressive gases with superb accuracy. The special design of the flow channel results in a very small dead space. 

The SFM3400 series has been designed with the use by medical professionals in mind. It features medical cones for pneumatic connection to standard breathing circuits and a mechanical interface for easy and reliable electrical reconnection. The sensor element, signal processing and digital calibration are on a single microchip assuring very fast signal processing time, best-in-class accuracy and superior robustness to rough handling and adverse conditions.