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A hair hygrometer.

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Q: Which instrument measures relative humidity without thermometers?
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A psychrometer gives the same reading on both thermometers what is the relative humidity?

100% because, let's say that both the thermometers have a reading of 66o degrees celcius. 66o is 100% of 66o, so the relative humidity is 100%.


How does a hygrometer units measure?

A hygrometer measure humidity. One sort of hygrometer is psychrometer, it has two thermometers one kept wet the other dry. The difference between the temperatures is related to the humidity.


What is the difference anemometer and hygrometer?

An anemometer measures wind speed. A hygrometer measures relative humidity. Two different things entirely.


What is the difference between anemometer and hygrometer?

An anemometer measures wind speed. A hygrometer measures relative humidity. Two different things entirely.


What unit of measurement measures humidity?

Water vapor in the air is absolute humidity. The ratio of the absolute humidity to the maximum absolute humidity for that temperature and pressure is called the "relative humidity." Absolute humidity is very frequently expressed in terms of grains per pound of air, ppm, or vapour pressure. Relative humidity is usually expressed as a percent.Relative humidity, expressed as a percentage from 0% to 100%, is the amount of moisture in air divided by the total possible amount of moisture in air. Unfortunately, the total possible amount changes when the temperature changes, so the relative humidity can change without adding or removing any water.Another measure is dew point, which is the temperature at which water would condense. It doesn't change with temperature.The lowest measured relative humidity in Phoenix, AZ, USA, is 2%--pretty dry. Sometimes the dew point is below 0 degrees, also pretty dry. (Celsius or Fahrenheit? Both!)

Related questions

What instrument measures relative humidity using two thermometers?

hygrometer psychrometer


What instrument measures relative humidity using wet-bulb and dry-bulb thermometers?

Hygrometer


What instrument that measures relative humidity is called?

psychrometer


What is An instrument that measures relative humidity called?

It is a hygrometer.


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


An instrument that measures relative humidity is called a what?

humidity is moisture in the air and is measured with a hygrometer


What instrument measures relative humidity using the electrical conductance of the chemical lithium chloride?

Hygrometer


What instrument Measures and records humidity and air pressure?

2 instruments are required to accomplish these measurements:a barometer to measure atmospheric pressure.a hygrometer to measure humidity.


What does a phsychrometer measures?

A phsychrometer measures relative humidity


What is the device called that measures relative humidity?

A hygrometer measures humidity. Don't confuse it with a hydrometer which measures density.


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.


A psychrometer gives the same reading on both thermometers. What is the relative humidity?

100 %