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www.nasa.gov/centers/langley/pdf/245887main_MeteorologyTeacherRes-Ch11.r3.pdf

a sling psychrometer is used to determine relative humidity and how to read a chart to determine this relationship. In addition, the student will establish a basic understanding of dew point. Further, pro-viding the student additional and basic understand-ings of other factors that constitute the study of meteorology.

sciencing.com/read-sling-psychrometer-5333022.html

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. The dry bulb is simply a ...

www.sciencedirect.com/topics/engineering/sling-psychrometer

A hygrometer uses two thermometers, one dry (dry bulb) and one covered in a fabric saturated with distilled water (wet bulb). Air is passed over both thermometers, either by a fan or by swinging the instrument, as in a sling psychrometer. A psychrometric chart can then be used to calculate humidity by using the dry and wet bulb temperatures.

www.mybacharach.com/wp-content/uploads/2016/06/0012-9015W-Rev-6.pdf

work, use a psychrometric chart or set of tables such as W.B. No. 235 “Psychrometric Tables for Obtaining the Vapor Pressure, Relative Humidity, and Temperature of Dew Point,” which can be purchased from the Superintendent of Documents, United States Government Printing Office, Washington, D.C. The accuracy of the Psychrometer,

www.nps.gov/museum/publications/conserveogram/03-01.pdf

Conserve 0 Gram 312.) There are two types of psychrometers: the sling psychrometer and the aspirating psychrometer. The sling psychrometer is a hand-operated device, while the aspirating psychrometer is usually battery powered, although wind-up models exist. These instruments are accurate to

en.wikipedia.org/wiki/Psychrometrics

A sling psychrometer requires manual operation to create the airflow over the bulbs, but a powered psychrometer includes a fan for this function. Knowing both the dry-bulb temperature (DBT) and wet-bulb temperature (WBT), one can determine the relative humidity (RH) from the psychrometric chart appropriate to the air pressure.

www.mybacharach.com/product-view/sling-psychrometer

The Sling Psychrometer is an easy and affordable way to measure relative humidity levels quickly and accurately. It is ideal for many applications, including the measurement of conditions within indoor environments, storage areas, laboratories and more.

www.dwyer-inst.com/Product/Miscellaneous/Accessories/Psychrometer-SlideCharts/...

Pocket type sling psychrometer, furnished complete with psychrometric charts, psychrometric slide chart, and carrying case. 1-2 Weeks* $187.00 Order : A-527 Ships: 1-2 Weeks ... Psychrometer & Slide Charts Catalog Page; Photo Downloads You must be logged in to view this content.

en.wikipedia.org/wiki/Hygrometer

Relative humidity can also be determined by locating the intersection of the wet and dry-bulb temperatures on a psychrometric chart. The two thermometers coincide when the air is fully saturated, and the greater the difference the drier the air. ... A sling psychrometer for outdoor use.

www.iowadot.gov/erl/current/IM/content/382.htm

A psychrometer measures the ambient air temperature (dry bulb temperature) and the wet bulb temperature. From these temperature measurements, the percent relative humidity is determined. APPARATUS . 1. Sling psychrometer . PROCEDURE . 1. Before using, take the end cap off the psychrometer and fill the reservoir with water.