[DOC] [TLE] What is the instrument used to measure air pressure? | Reference.com [PAR] A barometer is the scientific instrument used by meteorologists to measure 
atmospheric pressure. There are three main types of barometers: mercury, 
aneroid... [DOC] [TLE] barometer | Britannica.com [PAR] Barometer, device used to measure atmospheric pressure. Because ... used to 
measure altitude. There are two main types of barometers: mercury and aneroid. [DOC] [TLE] Barometer - Wikipedia [PAR] A barometer is a scientific instrument used in meteorology to measure 
atmospheric pressure. ... Barometers and pressure altimeters (the most basic and 
common type of .... A mercury barometer has a glass tube closed at one end with 
an open ... An aneroid barometer is an instrument for measuring pressure as a 
method that... [DOC] [TLE] Pressure measurement - Wikipedia [PAR] Many techniques have been developed for the measurement of pressure and 
vacuum. Instruments used to measure and display pressure in an integral unit 
are ... There are two types of gauge reference pressure: vented gauge (vg) and 
sealed ..... However, aneroid gauges can be used to measure the pressure of a 
liquid as... [DOC] [TLE] Air Pressure - Angelfire [PAR] The instrument used to measure air pressure is the barometer. There are two 
main types of barometers - mercury and aneroid barometers - which have very... [DOC] [TLE] Measuring Atmospheric Pressure - Windows to the Universe [PAR] Jun 11, 2010 ... If atmospheric pressure lessens, downward force on the mercury ... This type of 
instrument can be used in a lab or a weather station, but is not easy to move! ... 
An aneroid barometer can be used in place of a mercury barometer. ... 
Atmospheric pressure can be recorded and reported in many different units. [DOC] [TLE] Instruments | Climate Education Modules for K-12 [PAR] Aug 13, 2013 ... Different types of instruments are used to measure different ... The variables 
measured with these types of instruments are wind speed and direction, pressure
, humidity, ... A common thermometer is the mercury thermometer used outside ... 
temperature sensor is used to measure the outside air temperature. [DOC] [TLE] Barometer Basics: How it Works and Helps Forecast Weather [PAR] Mar 29, 2016 ... How Does a Barometer Measure Air Pressure? ... A barometer is a widely used 
weather instrument that measures atmospheric pressure (also known as air ... 
While an array of barometer types exist, two main types are used in ... The classic 
mercury barometer is designed as a glass tube about 3 feet high... [DOC] [TLE] L11 - Fluid Pressure Student - Holy Cross Collegiate [PAR] A barometer is an instrument used to measure air (or barometric) pressure. ... 
Two types of commonly used barometers are the mercury and aneroid 
barometers. [DOC] [TLE] Barometer - body, used, water, type, air, surface, principle [PAR] A barometer is an instrument for measuring atmospheric pressure. Two kinds of 
barometers are in common use, a mercury barometer and an aneroid barometer. [DOC] [TLE] An error occurred. [PAR] ... instrument used in meteorology to measure atmospheric pressure. Air pressure 
is measured in units called millibars. There are two main types of barometers. [DOC] [TLE] 1-2 Cornell Notes Key.docx - Pennsbury School District [PAR] What is the name of the instrument used to measure air pressure? ... What is the 
main difference between the two types of barometers? Mercury barometers use a 
liquid to indicate changes in air pressure; aneroid barometers do not use liquid. [DOC] [TLE] How do aneroid and Torricellian barometers work? - Explain that Stuff [PAR] Aug 24, 2016 ... Instruments that measure air pressure are called barometers and ... altimeter (
instrument for measuring height above sea level) used for weather forecasting. ... 
The two traditional kinds of barometer are called Torricellian and ... We use 
mercury in barometers because it's more convenient than using water. [DOC] [TLE] Chapter 5 Measurement of Atmospheric Pressure [PAR] 5.2 Principle of Atmospheric Pressure Measurement ... 5.2.2. Aneroid Instruments 
..... (2) Turning the mercury barometer back to a vertical setting ..... The main body 
has a hanger hook at its top and is used to hang the barometer from a .... This 
type of barometer has a pressure sensor in

Question: Mercury & aneroid are the 2 main types of this instrument used to measure air pressure
Answer: Barometer