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barometer
A barometer measures atmospheric pressure, not humidity. A hygrometer measures humidity.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoFind the difference between dry-bulb and wet-bulb temperatures, and use that number on a relative humidity chart.
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How can relative humidity and dew point be used to predict the weather?
Relative humidity expresses a percentage of humidity in the air to the maximum amount of humidity that could be in the air. For example: when the temperature rises the air will be able to hold much more humidity so the relative humidity will drop.
What weather instrument is used for measuring relative humidity?
Humidity can be directly measured by forced condensation either by pressurized or reduce the temperature and measure the water content directly. Alternative to direct measurement, humidity can be measure using air electro-conductivity since presence of water would increase the conductivity so it could interpret the conductivity to water content.
Define relative humidity?
Water can "dissolve" in air. As the temperature and pressure of air goes up, the amount of water that can be held in the air increases. We can measure the "absolute" humidity of air, but this isn't especially useful. It is more handy to know hoe much water is IN the air, as a percentage of the amount of water the air COULD hold. That's "relative humidity". It is important because as the temperature rises, the air COULD hold more water, so the relative humidity falls. As the temperature falls, the relative humidity rises. As the air cools, when the air couldn't possibly hold any more water than it has now, the relative humidity is 100%, and we call this the "dew point", when dew will begin to settle onto the grass. If the air gets much colder, the water will condense out of the air and form FOG.
How does a psychrometer measure relative humidity?
A sling psychrometer (or hygrometer) uses the difference in readings between a wet bulb thermometer and another with a dry bulb to measure the relative humidity. The bulb that is wet will cool by evaporation to the "dew point", which is the temperature at which the current humidity would be the maximum possible. Comparing that to the dry bulb (the general air temperature) on a comparative chart will yield the approximate relative humidity.
What is physcometer?
it is an instument which used to measure the dry balb temp. and wet bulb temp. of air.
What unit of measurement is used for relative humidity?
%
What are the uses of a psychrometer?
Psychrometers are used for measuring the dew point and relative humidity which you have to have a chart to find and finding the relative humidity in controlled environments
What is a -Graph that records the temperature and relative humidity of the surroundings?
Your question is a little unclear. The devices used to record temperature and relative humidity are "thermometers (temperature)." and "hygrometers (relative humidity)". Sorry if this isn't what you were looking for.
What is used to lower the relative humidity of room?
dehumidifier
What is a sygrometer?
There is no such thing as a sygrometer, but a hygrometer is a device that is used to measure the humidity of the air. It can indicate relative humidity or absolute humidity.
How can relative humidity and dew point be used to predict the weather?
Relative humidity expresses a percentage of humidity in the air to the maximum amount of humidity that could be in the air. For example: when the temperature rises the air will be able to hold much more humidity so the relative humidity will drop.
How was the Hygrometer used?
hygrometer used to measure density of relative humidity in air by using a sensory element such as a hair
What does a phsycrometer do?
A psychrometer is an instrument commonly used to measure the relative humidity.
Is a psychrometer used in measuring wind?
No. A psychrometer measures relative humidity.
What unit is used to describe relative humidity?
g/m³ or mg/l
Why is the hydrometer used to find density?
A hydrometer can be used to find the specific gravity (relative density) of a liquid by determining how much water it will displace. Various calibrations are used for different kinds of liquids.
Are relative humidity sensors used in heavy industry?
In some heavy industries they are used. It depends on what the product is.
