Barometric level gauge, liquid storage device, and plant protection equipment

Abstract

A barometric level gauge includes: a housing, including a side wall, and a top cover plate and an inner partition plate respectively connected to the side wall, where a device mounting cavity is formed between the top cover plate and the inner partition plate and a vent chamber is formed on a side, back to the top cover plate, of the inner partition plate, the vent chamber is in communication with atmosphere, and the inner partition plate is provided with a first vent connecting the device mounting cavity to the vent chamber; and a pressure sensor, mounted in the device mounting cavity, where the pressure sensor includes a first sensitive element for sensing air pressure in the device mounting cavity. A problem of damage, caused by water, to the internal devices may be avoided.

Dependencies are inferred from the claim text.