Measuring device for measuring the flow and properties of breathing gas comprises a cylindrical line for introducing breathing gas, a planar measuring path lying within the line, and a sensor chip lying in the region of the measuring path

摘要

Measuring device comprises a cylindrical line for introducing breathing gas, a planar measuring path (3) lying within the line, and a sensor chip (10) lying in the region of the measuring path. The measuring path has a length (L), a height (H) and a width (B). To form the measuring path the original line cross-section is reduced in the flow direction to the cross-section of the planar measuring path so that the width (B) perpendicular to the flow direction remains unchanged.