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A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes in the weather. Many measurements of air pressure are used within surface weather analysis to help find surface troughs, pressure systems and frontal boundaries.
A barometer is an instrument used to measure air pressure as it varies with distance either above or below sea level. Italian scientist Evangelista Torricelli invented the barometer in the year 1643. He studied the characteristics of mercury when placed in a vacuum and used that theory to develop the first barometer.
- 7 min
- A barometer is an instrument used to measure the air pressure as it varies with distance, either above or below sea level.
- Italian scientist Evangelista Torricelli invented the instrument in the year 1643.
- The working of a barometer depends on balancing mercury weight in the glass tube with respect to the atmospheric pressure.
- There are two types of barometers namely: mercury barometer and aneroid barometer.
- Mercury barometers are commonly used.
Aug 30, 2024 · A barometer is a device used to measure atmospheric pressure. Because atmospheric pressure changes with distance above or below sea level, a barometer can also be used to measure altitude. There are two main types of barometers: mercury and aneroid. Learn more about barometers in this article.
- The Editors of Encyclopaedia Britannica
Aug 12, 2024 · A barometer is defined as a meteorological instrument used to measure air pressure in the atmosphere. It forms a critical part of any weather station and is primarily used with other sensors to measure current and determine future weather conditions. It is also used in aviation to measure altitude.
Oct 24, 2023 · A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. The atmosphere is the layers of air wrapped around Earth. That air has a weight and presses against everything it touches as gravity pulls it to Earth. Barometers measure this pressure.
Feb 27, 2024 · A barometer is a scientific instrument designed to measure barometric pressure. Barometers as we know them date back to 1643 when the Italian inventor Evangelista Torricelli measured air pressure using a glass tube filled with mercury and open on its downward-pointing end.
Jan 5, 2018 · By. Anne Marie Helmenstine, Ph.D. Updated on January 05, 2018. The barometer, thermometer, and anemometer are important meteorology instruments. Learn about the invention of the barometer, how it works, and how it's used to forecast weather. Barometer Definition. A barometer is a device that measures atmospheric pressure.
