[DOC] [TLE] Hygrometer - Wikipedia [PAR] A hygrometer /harmtr/ is an instrument used for measuring the moisture 
content in the ... Whale bone and other materials may be used in place of hair. ... 
A sling psychrometer, which uses thermometers attached to a handle or length ... 
that most hygrometers sense relative humidity rather than the absolute amount of
... [DOC] [TLE] Chapter 11. A Sling Psychrometer and Relative Humidity - NASA [PAR] How does your comfort level differ on a warm day in ... meter to measure the wet-
bulb and dry-bulb tem- ... a sling psychrometer is used to determine relative. [DOC] [TLE] Weather: It's Not the Heat, It's the Humidity - Infoplease [PAR] Tables are then used to determine the relative humidity based on the wet and dry 
bulb ... The hair hygrometer is not as accurate as a sling psychrometer, and it... [DOC] [TLE] Psychrometer | Article about psychrometer by The Free Dictionary [PAR] Find out information about psychrometer. one of many instruments used for ... at 
the end of a chain (sling psychrometer) or by a suction fan (aspiration 
psychrometer). Newer ... Under these conditions, a hair hygrometer is preferred. 
... An instrument used to measure the amount of water vapor or relative humidity 
in the air. [DOC] [TLE] Chapter 3 Measurement of Humidity [PAR] (4) Calculations of vapor pressure, dewpoint temperature, and relative humidity . 
...... When a portable aspirated psychrometer is used in a thermometer shelter 
and the ... e) Generally, the dry-bulb and wet-bulb thermometers have the same 
size and shape. .... The hair hygrometer uses a recording chart with a humidity 
scale. [DOC] [TLE] Measurement of humidity - WMO [PAR] Relative humidity U: The ratio in per cent of the observed vapour pressure to the 
.... The chilled-mirror hygrometer are used to measure Td or Tf . The most widely 
used ... those of human hair and has been used for humidity measurements, 
though most ..... The wet bulb of the aspirated and sling psychrometers should be
. [DOC] [TLE] How a hair hygrometer measures humidity - USATODAY.com [PAR] Other kinds of hygrometers use materials with electrical resistance that varies ... 
The length of a strand of human hair changes with different relative humidities. ... 
An instrument that uses hair to measure humidity is known as a hair hygrometer. 
... not as accurate as other kinds of hygrometers such as the sling psychrometer. [DOC] [TLE] Using a Psychrometer to Measure Relative ... - National Park Service [PAR] determine relative humidity (RH) can be accom- plished with a ... The 
psychrometer is used to make spot readings, to take ... The sling psychrometer is 
a hand-operated device, while the ... various sizes ranging from pocket-size 
models to. [DOC] [TLE] 8(c) Atmospheric Humidity - Physical Geography [PAR] The amount of humidity found in air varies because of a number of factors. ... 
When used to measure humidity mixing ratio would measure the mass of water ... 
Relative humidity is often determined using a sling psychrometer or a hair ... Hair 
hygrometers work on the fact that hair changes its length when humidity varies. [DOC] [TLE] The sling psychrometer & hair hygrometer are used to determine the ... [PAR] Jun 29, 2016 ... The sling psychrometer & hair hygrometer are used to determine the relative 
amount # Quiz # Question. video. 0:28 0 likes, 0 dislikes. No views. [DOC] [TLE] Determining Relative Humidity [PAR] Determining Relative Humidity using a wet-and-dry bulb hygrometer. ... A 
hygrometer is used to measure the level of humidity. ... you can buy is typically 
made from a fibre (originally horse hair) that changes length with changes in 
humidity. ... A sling psychrometer is similar portable device used to measure 
relative humidity. [DOC] [TLE] DewPoint and Relative Humidity [PAR] number. A sling psychrometer measures this temperature difference to help us 
determine ... Use you Earth Science Reference Tables page 12 to determine both 
the dewpoint ... A hygrometer is a common way to measure the humidity. ... 
relative humidity increases, hair becomes longer, and as the humidity drops it 
becomes. [DOC] [TLE] Lab 11 - Meteorological Instruments [PAR] Any device that

Question: The sling psychrometer & hair hygrometer are used to determine the relative amount of this
Answer: humidity