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Topic: Hygrometer

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	Hygrometer
		The hygrometer is a device for measuring the relative humidity of air.
		The wick around the wet bulb was supplied with water from the bottom of a [missing] glass tube, which was held by the two clips in the center of the instrument.
		The hygrometer in the middle column was purchased from Eimer and Amend in June 1894.
	physics.kenyon.edu /EarlyApparatus/Thermodynamics/Hygrometer/Hygrometer.html (379 words)

	Rototherm - TTherma-Hygrometer
		The Mason's hygrometer is a wall-mounted wet and dry thermometer for determining the relative humidity.
		The hygrometer measures the wet and dry temperature over the range of -10 to +50°C enabling the relative humidity to be calculated (1 to 97% RH).
		The hygrometer measures the wet and dry temperature over the range of -15 to +50°C enabling the relative humidity to be calculated (1 to 97% RH).
	www.rototherm.com /page43.htm (719 words)

	Recording Hygrometer – Digital Hygrometer for measuring and recording humidity
		The word "hygrometer" is a generic term that simply means any instrument that measures the humidity of air.
		Hygrometers can have many levels of quality, functionality, and accuracy, ranging from a child's science experiment to a $20,000 primary standards lab humidity chamber.
		A "recording hygrometer" is an instrument that not only measures humidity, but also records that data as a permanent record.
	www.veriteq.com /humidity/hygrometer.htm (221 words)

	hygrometer - HighBeam Encyclopedia
		HYGROMETER [hygrometer], instrument used to measure the moisture content of a gas, as in determining the relative humidity of air.
		The most common type of hygrometer is the dry- and wet-bulb psychrometer.
		The chilled mirror hygrometer: how it works, where it works--and where it doesn't; Chilled mirror hygrometers, with their simple principle of operation, wide measuring span, high level of precision, and inert construction, are widely used in industrial control systems.(SENSOR TECHNOLOGY AND DESIGN)
	www.encyclopedia.com /doc/1E1-hygromet.html (527 words)

	hygrometer analog or digital
		Hygrometers with a metal spring are used in the majority of all humidors.
		Normal hygrometers are therefore set to achieve highest accuracy at a much lower humidity level of room humidity in a range from 30% to 60%.
		The adorini digital hygrometer is one of the few digital hygrometers on the market that is optimized for best accuracy at humidity levels of over 65%.
	www.humidor-guide.com /hygrometer-analog-or-digital-3-1.php3 (323 words)

	CAMEX-3 JPL Surface Acoustic Wave (SAW) Hygrometer (Site not responding. Last check: 2007-10-27)
		The unique value of a dewpoint/frostpoint hygrometer is that it provides a direct measurement of the temperature at which a surface will start to collect condensation, and the temperature at which a cloud will begin to form in open air.
		The SAW hygrometer measures dewpoint by establishing equilibrium between evaporation and condensation on the surface of the SAW device.
		In comparison, the JPL laser hygrometer indicated a dewpoint value very close to ambient temperature, which is an indication of a saturated state.
	ghrc.msfc.nasa.gov:5721 /dataset_documents/dc8jplsaw_dataset.html (2434 words)

	Understanding Relative Humidity and the Hygrometer
		A reminder that your hygrometer indicates the humidity of room air where located and has no relation to outdoor humidity announced on weather reports.
		There are descriptions of hygrometers available from the Science Company at the web site.
		In other models, the entire hygrometer movement is rotated until the dial reads appropriately.
	www.sciencecompany.com /barometric/hygrometers.htm (522 words)

	Fluid Energy: Kahn Hygrometers (Dew Point Monitors)...hydrogen generators, hygrometer, digital hygrometer, hygrometers, ...
		Hygrometers with ceramic sensors, aluminum oxide sensors, chilled mirror optical systems, and multi-channel process analyzer technology are available to meet the needs of the simplest to most complicated dewpoint measurement applications.
		Hygrometers are used to monitor moisture content of SF insulating gas in high voltage switchgears.
		The Optidew Vision is a high performance, optical dewpoint hygrometer consisting of remote temperature and dewpoint sensors, interconnecting cables and a separate display unit mounted in a contemporary bench-top housing with ergonomic carrying handle.
	www.fluidenergy.com /hygro.html (939 words)

	CAMEX-4 JPL Laser Hygrometer (Site not responding. Last check: 2007-10-27)
		A hygrometer is an instrument which determines the water vapor content of a parcel of air.
		Historically, typical hygrometers determined the water vapor content of the atmosphere indirectly by measuring the wet bulb temperature (e.g.
		The JPL Laser Hygrometer uses this principle in an open-path instrument; that is, the laser path is in the free stream passing by the aircraft.
	ghrc.msfc.nasa.gov /uso/readme/c4djlh.html (454 words)

	Thermometer Hygrometer, Thermometer, Outdoor Thermometer, Hygrometer, Digital Hygrometers
		Temperature humidity sensors, often combined into one instrument on home weather stations (thermometer hygrometer), should not be sited in direct sunlight unless they are adequately protected by a solar radiation shield or placed inside a ventilated weather measurement tools housing.
		If that is not an option, the thermometer hygrometer sensors should be installed in a shaded location (such as the north side of a structure) and protected from rainfall (under the eaves but not too close to the roof is a compromise).
		If at all possible, keep the thermometer hygrometer away local sources of heating and cooling, and from nearby obstructions by a distance of at least four times their height.
	www.weathershack.com /education/thermometer-hygrometer.html (526 words)

	How to calibrate your hygrometer; NeptuneCigar.com FAQ
		To check if the hygrometer is reading correctly, you can purchase a calibration kit for best results.
		Another way to test the calibration of your hygrometer is the salt method.
		For example, if your hygrometer reads 70% during the salt method test this means that to obtain the real humidity level you should add 5 points.
	www.neptunecigar.com /faq/cigars.asp?a=4&q=32 (225 words)

	HYGROMETER
		A hygrometer measures the moisture substance of the humidity of air or any gas.
		Mechanical hygrometers are based on human hair, which contacts and expands in reaction to relative humidity.
		A needle gauge is moved during the contraction and expansion.
	www.carlinvilleschools.net /middle/cms2002/weather/hygmeter.htm (178 words)

	Digital Multimeters, Eprom Programmer, Hygrometer, Anemometer, Handheld Spectrum Analyzer
		Thermal Hygrometer model 625 is a portable 3 1/2 digit, compact sized digital Thermo Hygrometer.
		This hygrometer is designed for simplicity and one handed operations.
		The fast hygrometer can measure and display an environment temperature and humidity in a fraction of a second.
	www.bkprecision.com /multimeter_spectrum_analyzer_programmer.htm (543 words)

	Digital Hygrometer Thermometer - CUBANCRAFTERS
		With a built-in thermometer, these hygrometers accurately measure and display temperature and relative humidity to the 10th of a degree.
		The hygrometer can be set to read the temperature and humidity in celsius or fahrenheit with the push of a button.
		This hygrometer is a really good quality piece and tells the temperature and humidity to a t.
	www.cubancrafters.com /products.php/item_id/304 (536 words)

	Exploratorium Magazine: Hair: Activities
		Invented in 1783, the hair hygrometer was so reliable that it was not replaced by an electrical instrument until
		Push a pin through the hole in the pointer so that the hair is slightly stretched when the pointer is horizontal.
		Calibrate your hair hygrometer at 100 percent humidity by bringing it into the bathroom when you shower.
	www.exploratorium.edu /exploring/hair/hair_activity.html (533 words)

	Humidity measurements, Dewpoint, and Hygrometer makes.
		Still other devices and scientific hygrometer makes use hair to measure humidity and hair has natural moisture-absorbent properties that make it especially sensitive to humidity changes.
		It is the mixing ratio as a percent of the saturation mixing ratio (maximum possible at this temperature).
		There are others, such as lifting condensation level and ones with the word potential in the title, but they are more complicated, and defining their relationships require fancy mathematics such as the Clausius Clapeyron equation, a psychrometric calculator or graphs such as a Skew-T log P or tephigram.
	www.stuffintheair.com /hygrometermakes.html (772 words)

	hygrometer — Infoplease.com
		forms, called the dew point, is determined by a dew-point, or condensation-type, hygrometer, which is basically a mirror, usually of polished metal, cooled until dew or frost forms on it.
		The chilled mirror hygrometer: how it works, where it works--and where it doesn't; Chilled mirror hygrometers, with their simple principle......
		Portable hygrometer: data logging capabilities; detailed analysis and reporting.
	www.infoplease.com /ce6/sci/A0824744.html (501 words)

	Hygrometer - Wikipedia, the free encyclopedia
		A simple form of a hygrometer is specifically known as a "psychrometer" and consists of two thermometers, one of which has its bulb constantly kept wet which measures the wet-bulb temperature.
		Dewpoint is the temperature at which a sample of moist air (or any other gas sample containing water vapor) at constant pressure reaches water vapor saturation.
		They use a chilled mirror and optoelectronic mechanism to detect condensation on the mirror surface.
	en.wikipedia.org /wiki/Hygrometer (479 words)

	Cigar Hygrometer - Get a cigar hygrometer for your humidors
		If you currently own a humidor and are now ready to start adding to it or if you just want to accessorize one you are just buying then you must start with one of our digital cigar hygrometers or automatic humidification systems.
		A cigar hygrometer is a very important part of any humidor and whether you are using an analog cigar hygrometer or a digital cigar hygrometer Tampa Humidor is the place to take care of what you need.
		Cigar hygrometers are vitally important in evaluating the performance of your cigar humidor and the well being of your cigars - We want to help - give us a call or write us an e-mail if you have any questions.
	www.tampahumidor.com /cigar-hygrometer (155 words)

	Hygrometer, Digital Hygrometer, Wireless Hygrometer, La Crosse Hygrometer, Oregon Scientific Hygrometer, Humidor ... (Site not responding. Last check: 2007-10-27)
		Hygrometer, Digital Hygrometer, Wireless Hygrometer, La Crosse Hygrometer, Oregon Scientific Hygrometer, Humidor Hygrometers, Digital Hygrometers, Cigar Hygrometer, Credo Humidifiers
		Both the 45mm and 70mm analog gauges are available with either a gold or silver rim and the 70% - 75% area is shaded.
		The Caliber III never requires calibration, has a magnetic mount, and is accurate to +/- 1% humidity and +/-1 degree temperature.
	www.bcspecialties.com /cigarasp/hyg.asp (229 words)

	Oilfield Glossary: Term 'hygrometer'
		A device for measuring the moisture in a gaseous atmosphere, such as the air, usually as percent relative humidity.
		Mechanical hygrometers detect moisture by elongation and shrinkage of a fiber or sheet or by a device attached to a needle on a dial.
		Electrohygrometers measure changes in an electrical property of a moisture-sensitive sensing probe and are more reliable.
	www.glossary.oilfield.slb.com /Display.cfm?Term=hygrometer (113 words)

	Franklin's Forecast - Hygrometer
		When the air is dry, the hair will contract and shorten, making the pointer point up.
		When you make your hygrometer observations each day, you should make a mark to indicate where the pointer points.
		Over time, you'll be able to see the humidity patterns that will help you forecast the weather.
	sln.fi.edu /weather/todo/hygrometer.html (340 words)

	Hygrometer also measures temperature., AEMC Instruments
		The Model CA846 also utilizes a thin film polymer capacitive type relative humidity sensor as hygrometer sensor, offering excellent recovery from 100% moisture and a fast response time and durability.
		May 1, 2003 - Hygrometer provides Ethernet connectivity.
		Oct 11, 2002 - Hygrometer includes clock and calendar functions.
	news.thomasnet.com /fullstory/4445/2952 (580 words)

	Digital Hygrometer and Indoor/Outdoor Thermometer
		Hygrometer with temperature and relative humidity sensor and outdoor/indoor thermometer is accurate and portable.
		For those of you who use hygrometers to measure moisture year-round, we finally found one you can rely on.
		This will help you make adjustments to your humidifier or dehumidifier's settings so that the desired maximum and minimum humidity level is reached during any given time period
	www.allergybuyersclubshopping.com /thermometer-hygrometer.html (517 words)

	Welcome to OceanCigars.com - Your Online Source for Cigars and Accessories
		The Perfecto Digital Hygrometer/ Thermometer is compact enough for the fullest humidor.
		This hygrometer is meant to be mounted in the round slot found in most of today's most popular humidors, replacing an analog hygrometer.
		It has an automatic 10-second refresh rate and reads humidity from the front and therefor, cannot be externally mounted.
	www.oceancigars.com /Accessories/Hygrometers.html (169 words)

	Hygrometer - PCWI Precision Instruments
		Known as a Hygrometer, Thermo hygrometer, Dewmeter, Dew point meter, Humidity gauge and or Relative Humidity gauge.
		Measures and records climatic parameters including: Air temperature, surface temperature, relative humidity, dew point temperature and difference between surface and dew point temperatures.
		When the Hold button is held the unit displays Dewpoint and Delta T. Also known as a Hygrometer, Thermohygrometer, Dewmeter, Dew meter, dew point meter, Humidity gauge and Relative Humidity gauge.
	www.pcwi.com.au /Hygrometers-Humidity-Gauges.asp (202 words)

	Become.com - Shop results for hygrometer
		This tiny thermometer/hygrometer combination is a useful gadget for people who live in more extreme climates or have medical conditions that are...
		Digital Hygrometer - Thermometer with Temperature and Relative Humidity Sen...
		Tritan Antique Copper Clock / Thermometer / Hygrometer All metal frame, clock, thermometer and hygrometer.Large Arabic numbers and fl teardrop...
	www.become.com /shop?q=hygrometer (196 words)

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