Other pressure-based flow elements exist as alternatives to the orifice plate. The Pitot tube, for
example, senses pressure as the fluid stagnates (comes to a complete stop) against the open end of
a forward-facing tube. A shortcoming of the classic single-tube Pitot assembly is sensitivity to fluid
velocity at just one point in the pipe, so a more common form of Pitot tube seen in industry is the
averaging Pitot tube consisting of several stagnation holes sensing velocity at multiple points across
the width of the flow: