The icon is a simplified, old-style gauge. A circular case encloses an incomplete circle of dots, representing the different levels to be read off of the gauge, with an arrow pinned in the center, with an arrowhead on one side, and a tail on the other side. The arrow is pointing northwest.
Related to Pressure Gauge Icon
Related icons are the icons with matching tags, as well as all weather icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors