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What are the parts of a sling psychrometer?
A sling psychrometer is an instrument that measures the relative humidity and dew point in an area. A sling psychrometer has two thermometers: a wet bulb and a dry bulb. The wet bulb has a cotton wick over the bulb of the thermometer, which is moistened with room temperature water.
How do you make a sling psychrometer?
Procedure
- Moisten a double layer of gauze with water.
- Use the rubber band to cover the bulb of one of the thermometers with the gauze.
- Secure the thermometer with gauze on one side of the plastic bottle and the other thermometer to the opposite side, using multiple pieces of strapping tape.
What is required for a sling psychrometer?
A sling psychrometer holds a wet-bulb thermometer and a dry-bulb thermometer.
What does a sling psychrometer measure how is it composed?
A sling psychrometer is a simple meteorological instrument used to measure the relative humidity of the air. It consists of two thermometers on a structure that can be whirled in the air. The wet-bulb thermometer has an absorbent cover that is soaked in water before using the instrument.
What is use of psychrometer?
A psychrometer measures the relative humidity in the atmosphere through the use of two thermometers: a dry bulb thermometer, is used to measure the temperature by being exposed to the air. a wet bulb thermometer, measures temperature by having the bulb dipped in a liquid.
How is a sling psychrometer used?
A sling psychrometer can be used to find relative humidity, which is expressed as a percentage. It is computed by multiplying the amount of moisture in the air at a given temperature, dividing by the maxi- mum amount of moisture the air could contain at that same temperature, and then multiplying the quotient by 100.
What is a sling psychrometer used for?
Why does the hair shorten when humidity decreases?
Human hair absorbs moisture, lengthening up to 3 percent in humid weather. As the humidity changes, the lengthening or shrinking of the hair strands causes the hygrometer to display the current relative humidity.