Traditional Culture Encyclopedia - Weather forecast - What's the name of the barometer in physics of senior two?

What's the name of the barometer in physics of senior two?

A barometer is a kind of pressure gauge used to measure atmospheric pressure.

Barometers are divided into metal box barometers and mercury barometers.

Mercury barometer uses the balance between mercury column pressure and atmospheric pressure to measure atmospheric pressure.

Metal box barometer is a common barometer in daily life and production, which is small in size and convenient to move.

Application examples: fire extinguishers, water pumps and oxygen cylinders.

The barometer can make weather forecast.