Atmospheric pressure measurement. The barometer is made of metal, plastic. It is used to measure changes in air pressure and predict future weather changes based on changes in air pressure.
Compare reading. The comparison needle on the lens is used to compare readings to see if atmospheric pressure has risen or fallen over a specific period of time.
Hanging barometer, the barometer can be hung on the wall or placed on the platform.
Widely used in ships, factories, laboratories, homes.
Barometers are easy to install, lightweight and easy to install, suitable for hanging or placing on a surface.
