what tool is used to measure rain?
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A rain gauge (also known as an udometer, pluviometer, or an ombrometer, or a cup) is an instrument used by meteorologists and hydrologists to gather and measure the amount of liquid precipitation over an area in a predefined period of time.
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There are three basic water activity measurement systems. These are Resistive Electrolytic Hygrometers (REH), Capacitance Hygrometers and Dew Point Hygrometers (sometimes called chilled mirror).
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A refractometer is the instrument used to measure refractive index ("RI"). Although refractometers are best known for measuring liquids, they are also used to measure gases and solids; such as glass and gemstones.
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A barometer measures atmospheric pressure, a thermometer measures the temperature, and an anemometer measures wind speed and direction. Weather radar detects precipitation in the clouds, and the Doppler radar takes measurements of winds in clouds in order to predict severe storms and tornadoes.
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A hand-held refractometer is the industrial standard used to determine the mix ratio of water-soluble coolants that estimates oil concentration from the sample refractive index measured in the Brix scale. The refractometer allows for in situ measurements of oil concentration within industrial plants.
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Suppose you have a vessel, preferably cylindrical, and kept on a horizontal base, the height up to which the rain is collected measures the rainfall. If it is one Cm, it is one cm rainfall. To measure accurately, a measuring glass of 1/10 th base area of the rain gauge will be used.
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TRMM is designed to measure rain rates from space using a combination of high resolution radar, passive microwave radiometer and visible-infrared radiometer measurements from a spacecraft in a rapid precession, 350 km orbit inclined at 35 deg.
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A ceilometer is a device that uses a laser or other light source to determine the height of a cloud base. Ceilometers can also be used to measure the aerosol concentration within the atmosphere.
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The anemometer counts the number of rotations, which is used to calculate wind speed. An anemometer is an instrument that measures wind speed and wind pressure. Anemometers are important tools for meteorologists, who study weather patterns.
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For meteorological purposes, atmospheric pressure is generally measured with electronic barometers, mercury barometers, aneroid barometers or hypsometers.
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A psychrometer or sling psychrometer is a device used to measure relative humidity. It has two thermometers. ... The difference in temperature reading between the wet-bulb and dry-bulb thermometers indicates the amount of water vapor in the air. A table like the one below is used to determine the relative humidity.
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['Measuring Tape. A measuring tape is possibly the simplest and most basic tool for measuring a standard area in inches, feet and centimeters. ... ', 'Theodolite. A theodolite is an instrument for measuring both vertical and horizontal areas and angles in conjunction with triangulation. ... ', 'Planimeter.']
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A Casagrande device is the primary laboratory tool for testing liquid limits. The tester places soil samples with varying water contents into the cup of the device, then cuts a groove through the sample. The cup is dropped multiple times until soil fills the groove.
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2 mm of rainfall on weather forecast means that there is a possibility of rainfall having a depth of 2 mm. Here, mm is the unit of rainfall measurement, that represents the amount of ponded water on a flat surface if collected.
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The most commonly used precision instrument. Outside caliper measures an outside surface. The outside caliper is used to measure outside diameter. Rules are also used for transfer measurements with calipers.
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Barometers. A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. These digital barometers are all displaying slightly different readings! The atmosphere is the layers of air wrapped around the Earth.
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1 Answer. The seismograph and the seismoscope are the main tools to measure earthquakes.