hygrometer

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hygrometer
hygrometer (haɪˈgrɒmɪtə(r)) [mod. f. Gr. ὑγρο- hygro- + -meter; prob. ad. F. hygromètre (1666 in Hatz.-Darm.).] An instrument for measuring the humidity of the air or a gas, or the ratio of the amount of moisture actually present in it to that required for saturation. (Formerly often applied to a co... Oxford English Dictionary
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Hygrometer
A crude hygrometer was invented by Leonardo da Vinci in 1480. Types include the Lyman-alpha hygrometer (using Lyman-alpha light emitted by hydrogen), the krypton hygrometer (using 123.58 nm light emitted by krypton wikipedia.org
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Hygrometer - Harald Nyborg
Leveringstid: 1 - 3 hverdage. På lager i de fleste butikker -. se lagerstatus i din butik. ( Opdateret kl. 17:09) 59,00 kr. Læg i kurv. Beskrivelse. Hygrometret kontrollerer og måler luftfugtigheden i drivhuset og indikerer dermed risikoen for angreb af mug- og skimmelsvampe. Risikoen herfor reduceres ved at sørge for god ventilation.
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Amazon.com: ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room ...
With highly accurate temperature and humidity readings and a wide measurement range, the TP50 humidity meter is the perfect household device for optimizing living conditions for you and your family. This temperature and humidity monitor regularly updates you on high and low records, allowing you to make smart comparisons with the right context. ...
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hygroscope
hygroscope (ˈhaɪgrəskəʊp) [mod. f. Gr. ὑγρο- hygro- + -σκοπος observing. F. hygroscope.] An instrument which indicates (without accurately measuring) the degree of humidity of the air. Usually a device in which a vegetable or animal fibre (in Saussure's h., a human hair) which contracts with moistur... Oxford English Dictionary
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Humidistat
A humidistat has the functionality of a switch and is not just a measuring instrument like a hygrometer is. wikipedia.org
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Wilhelm Lambrecht
Klinkerfues had developed a bifilar-hygrometer which was widely used but did not prove in laymen's hands. After that Lambrecht built a hair hygrometer, "Model Klinkerfues". wikipedia.org
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Daniell
Daniell (ˈdænjəl) [The name of John Frederic Daniell, English physicist (1790–1845).] a. Used attrib. or in the possessive to designate inventions of Daniell or their modifications, as Daniell('s) battery or cell, a cell in which the cathode is zinc in either dilute sulphuric acid or a solution of z... Oxford English Dictionary
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John Coventry (1735-1812)
Works He was the inventor of a new hygrometer, more accurate than any which had been previously in use. wikipedia.org
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Leaf wetness
See also Hygrometer Moisture analysis Dewcell References Humidity and hygrometry Leaves Agrometeorology wikipedia.org
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Michell Instruments
to provide traceability for European humidity laboratories against the Two Pressure Humidity Generator and Primary Gravimetric Hygrometer operated by In 1984 Michell was selected by the National Physical Laboratory (United Kingdom) to supply a Transfer Standard Dewpoint Hygrometer (model S4000) to its wikipedia.org
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Angelo Bellani
He invented a hygrometer using a fish bladder in 1836. wikipedia.org
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Jean-André Deluc
The Philosophical Transactions published his account of a new hygrometer, which resembled a mercurial thermometer, with an ivory bulb, which expanded by He later devised a whalebone hygrometer which sparked a bitter controversy with Horace-Bénédict de Saussure, himself inventor of a hair hygrometer. wikipedia.org
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Meteorological instrumentation
In 1783, the first hair hygrometer is demonstrated by Horace-Bénédict de Saussure. A hygrometer measures the relative humidity at a location, which can then be used to compute the dew point. wikipedia.org
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Jean-Gustave Bourbouze
manufactured by Bourbouze Some of the instruments manufactured by Bourbouze are as follows: Vertical galvanometer Equipment for measuring the free fall Hygrometer with mirror and hygrometer for condensation System of mobile projection Laboratories of Bourbouze Jean-Gustave Bourbouze had acquired a great reputation wikipedia.org
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