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	RTD Elements and RTD Probes - Resistance Temperature Detection Sensors(RTDS)
		Resistance Temperature Detectors (RTD), as the name implies, are sensors used to measure temperature by correlating the resistance of the RTD element with temperature.
		RTDs are also relatively immune to electrical noise and therefore well suited for temperature measurement in industrial environments, especially around motors, generators and other high voltage equipment.
		The standard RTD elements used in OMEGA’s probe assemblies are made of 99.99% pure platinum wire wound about a ceramic or glass core and hermetically sealed within a ceramic or glass capsule.
	www.omega.com /rtd.html (564 words)

	instruNet RTD Temperature Measurement Hardware & Software for precision RTD
		The voltage across the RTD is measured between a pair of instruNet Vin+ and Vin- input terminals while the excitation voltage for the divider is supplied by the instruNet Vout terminal.
		Alpha is the temperature coefficient of the RTD at 0C (typically.00385 for American RTD's, and.00392 for European RTD's) and delta is the Callendar-Van Dusen delta constant (typically 1.492).
		The voltage across the RTD would vary from 22mV to 352mV as the resistance across the RTD changed from 25 to 400 ohms (corresponding to a temperature change of -260 to +850 Celsius); therefore, an input Voltage Range of ±600mV would be ideal with a 100 ohm RTD, 4.5V Vout voltage, and 5000 ohm resistor.
	www.instrunet.com /applications/tm/rtd.html (622 words)

	RTD - Over RTD, Geschiedenis (Site not responding. Last check: 2007-10-23)
		RTD aims to efficiently provide its clients in both onshore and offshore industries with the assurance that quality, safety and reliability are achieved during the manufacturing, construction, operation and maintenance phases of technical installations.
		RTD therefore found most of its work in the shipyards in Pernis where the construction of the first refineries was commenced just after the war.
		RTD was brought in to ensure that all welded joints were good and reliable.
	www.rtd.nl /en/rtd (385 words)

	Thermowells, Thermocouples, RTD's Gauges, MTI Sensors, Texas
		RTD probes provide one of the most accurate methods of temperature measurement in industry today.
		All MTI RTD elements are made with pure platinum wire and high purity ceramic components.
		MTI manufactures RTD's throughout a broad range of temperatures (-200 to 630 C) to provide an accurate and repeatable method of temperature measurement.
	www.pressuretemp.com /rtd.htm (193 words)

	Resistance Temperature Detector (RTD) - Engineers Edge (Site not responding. Last check: 2007-10-23)
		RTD elements are normally constructed of platinum, copper, or nickel.
		These metals are best suited for RTD applications because of their linear resistance-temperature characteristics (as shown in Figure 1), their high coefficient of resistance, and their ability to withstand repeated temperature cycles.
		RTD elements are usually long, spring-like wires surrounded by an insulator and enclosed in a sheath of metal.
	www.engineersedge.com /instrumentation/rtd.htm (403 words)

	RTD's
		RTD's function as a result of increasing resistance in proportion to increasing temperature: i.e., with a known current, as temperature increases, voltage increases.
		The platinum RTD element is manufactured to have a set resistance at 0° C; however, once incorporated into an instrument loop, the lead resistance of the loop must be compensated for in order to achieve an actual temperature reading.
		The most commonly used RTD is the 3-wire probe, which allows for the compensation of loop resistance by introducing a third wire, known as a reference wire, that is equal in length and size to the two wires connecting the RTD to the readout device.
	www.gayesco.com /rtd's.htm (387 words)

	About Resistance Temperature Detectors, RTDs, PRTs, PRT100. SPRTs and Copper, Nickel and Other
		Resistance Temperature Detectors or RTDs for short, are wire wound and thin film devices that measure temperature because of the physical principle of the positive temperature coefficient of electrical resistance of metals.
		RTDs, as mentioned above, work in a relatively small temperature domain, compared to thermocouples, typically from about -200 °C to a practical maximum of about 650 to 700 °C. Some makers claim wider ranges and some construction designs are limited to only a small portion of the usual range.
		RTDs can be made cheaply in Copper and Nickel, but the latter have restricted ranges because of non-linearities and wire oxidation problems in the case of Copper.
	www.temperatures.com /rtds.html (1222 words)

	9news.com \| News \| RTD strike halts light rail, cripples bus service (Site not responding. Last check: 2007-10-23)
		RTD's latest proposal offered a wage increase of $1.80 an hour over three years, with quarterly, 15-cent raises in hourly pay.
		RTD said it would increase its monthly contribution to a health-and-welfare fund by $5 per employee in the first year, $15 per employee in the second year and $20 per employee in the third year.
		RTD maintains bus and light-rail systems in all or parts of Denver, Broomfield, Boulder, Jefferson, Adams, Arapahoe, Douglas and Weld counties, a service area with about 2.5 million residents.
	www.9news.com /acm_news.aspx?OSGNAME=KUSA&IKOBJECTID=575bc034-0abe-421a-016a-075dd0269c84&TEMPLATEID=0c76dce6-ac1f-02d8-0047-c589c01ca7bf (687 words)

	Accu-Ohm RTD's
		Stability and repeatability: The platinum RTD is the primary interpolation instrument used by the National Institute of Standards and Technology from -260 degrees Celsius to 630 degrees Celsius.
		Their accuracy is also very good because of the RTD's repeatability over the standard temperature scale from -260ºC to 630ºC. Ordinary industrial RTD's tend to show a drift of less than 0.1ºC per year in normal use.
		Because RTD's are exactly what the name implies (Resistance Temperature Detector), a resistance type sensor, any resistance introduced by the addition of extension wires between the RTD and the control or measuring instrument will add to the readings.
	www.tempco.com /Sensors/accu_ohm_rtds.htm (1119 words)

	Welcome to AMS Corp. - RTD Testing Services
		Select the RTD(s) to be tested and record the RTD tag number and other information on a test data sheet.
		Any RTD that exceeds a pre-specified temperature deviation is flagged and/or removed from the average and the process is repeated as necessary to identify the outliers (if any).
		With dynamic RTD Cross Calibration, data may be collected during cool down at the end of a cycle at shutdown or during heat up at the beginning of a cycle during start up.
	www.ams-corp.com /services/RTD_services.html (972 words)

	Sensors RTD’s
		Resistance Temperature Detectors are sensors that measure temperature by correlating the resistance of the RTD element with temperature.
		The RTD element is constructed from a pure material, the resistance of which, at various temperatures, has been documented by various international standards institutes.
		RTDs also provide high immunity to electrical noise and are, therefore, well suited for applications in process and industrial automation environments, especially around motors, generators and other high voltage equipment.
	www.weedinstrument.com /product_groups/industrial/rtd.html (331 words)

	RTD - Legal Notice
		The web site "RTD (Research and Technology Development) in Slovenia" www.rtd.si is an inter-ministerial web portal of the Government of the Republic of Slovenia, established and managed by the Slovenian Research Agency (SRA) and the Ministry of Higher Education, Science and Technology of the Republic of Slovenia (MHEST).
		The information posted on the RTD web site is of a general nature and is not intended to address the specific circumstances of any particular individual or entity.
		The information and material published on the RTD web site may not be copied, reproduced, modified, sent by post or electronic mail, or distributed in any other manner without the written permission of the founder.
	www.rtd.si /eng/pravobv.asp (622 words)

	HOW TO: Set Up and Use the RTD Function in Excel 2002
		However, the RTD function, which is based on COM technology, provides advantages in terms of robustness, reliability, and convenience.
		The RTD function retrieves data from an RTD server for use in the workbook.
		Although the RTD function provides a link to data on a server, it is not the same type of link as references to cells in other worksheets or workbooks.
	support.microsoft.com /?kbid=289150 (955 words)

	DenverPost.com - RTD workers strike
		RTD pledged to keep about 45 percent of its bus service running by using its private- contract drivers.
		RTD offered union members a minimum of a $1.80-an-hour raise, to be phased in in 15-cent increments over the three-year life of the contract.
		Health care: RTD would have increased payment into the union health and welfare fund by $5 per worker a month in the first year, $15 in the second and $25 in the third; cost increases in 2007-08 premiums split with the union.
	www.denverpost.com /ci_3666799?source=rss (1276 words)

	Why RTD Elections Should Be Partisan
		RTD is one of Colorado's biggest and most obscure governments.
		In the afterglow of the 1980 election, where RTD was on the ballot for an elected board and for another tax increase to construct light rail, which was defeated, 1982 is indisputably RTD's most competitive election ever.
		Though RTD Board elections were getting somewhat more competitive until 2000, RTD election competition, oversight, scrutiny, or accountability is far from sufficient as balanced against the magnitude of resources consumed.
	www.i2i.org /main/article.php?article_id=512 (1262 words)

	Why RTD Elections Should be Partisan
		RTD is one of Colorado's biggest, yet obscure, governments.
		In the afterglow of the 1980 election were RTD was on the ballot for an elected board and for another tax increase to construct light rail, which was defeated, 1982 is indisputably RTD's most competitive election ever.
		Though RTD Board elections are getting somewhat more competitive, the election competition, oversight, scrutiny, or accountability is far from sufficient as balanced against the magnitude of resources consumed.
	www.i2i.org /main/article.php?article_id=521 (1229 words)

	Thermocouple and RTD temperature meter
		The thermocouple or RTD type, range and resolution (1° or 0.1°) are selectable from the front panel or via the serial interface.
		RTD connections can be of the 2-, 3- or 4-wire type.
		In 3- and 4-wire hookup, the meter senses the voltage drop across the 100 ohm RTD and both lead wires as well as the voltage drop across the RTD and one lead wire.
	www.flw.com /laurel/tcrtd.htm (866 words)

	CAD CAM Machining Tooling Batch runs in New Hampshire, NH Boston Mass the USA - RTD Technologies inc
		With many projects requiring advanced materials and technologies we have partners who help to insure that your specific requirements are met in a cost-effective and timely manner.
		By investing in the latest engineering and manufacturing technologies RTD are able to provide you with components, tooling and parts on time and within tolerance.
		RTD Technologies has a proven track record in a wide range of industries from Fortune 500 high tech corporations to the small business back bone of America.
	rtd-tech.com (288 words)

	RTD's for use with MadgeTech RTD Data Loggers
		An RTD or Resistance Temperature Detector is simply a sensor that senses temperature by measuring the change in resistance of metal wires.
		Using an RTD is a highly accurate way of measuring temperature.
		Accuracy on RTD's are stated as the deviation from what is the standard resistance for an RTD at a certain temperature.
	www.microdaq.com /accessories/rtds.php (314 words)

	cbs4denver.com - RTD: Rising Fuel Costs Forced Fare Hikes
		RTD said record setting fuel costs made the fare increase necessary.
		RTD said at one point, it cost more than $1.70 per gallon more than it was paying at the same time last year.
		The RTD board voted to adopt the higher fares after a series of public meetings in the fall.
	cbs4denver.com /topstories/local_story_361092844.html (250 words)

	Platinum RTD Probes - TEGAM INC.
		Probes are 4-wire RTD type with Switchcraft TA4FL (or equivalent) cable connectors.
		Model 8696, platinum RTD probe is designed for measuring air and other gaseous mediums.
		The probe's 4-inch handle is connected to a thermoplastic coil cord that extends from 1-1/2 feet to 5 feet.
	www.tegam.com /html/rtd_probes.htm (290 words)

	Trucking Company - Shipping Service - Truck Transport by RTD Transport
		RTD transport is ready to indulge your drop shipping demands, thus, minimize your inventory and administrative costs.
		Dependable shipping and integrity are staples of the RTD transport company, extending total supply chain solutions for customers with goods to move to market.
		RTD will satisfy all of your non-hazardous commodity shipping and securing needs.
	www.rtdtransport.com (224 words)

	INFO: Excel RTD Function Cannot Return an Array
		If the RTD function is used as an array formula, all of the cells in the array return #VALUE.
		The RTD function can take an arbitrary number of strings, or topics, to specify the data that is to be displayed in a cell.
		With this in mind, you may sometimes need an RTD server to return an array of values for a single topic, and you may also need that array of values to be parsed into multiple cells.
	support.microsoft.com /default.aspx?scid=kb;en-us;286258 (617 words)

	RTD - The Thermal Resistive Sensor
		The RTD sensors can be made small enough to have response times of a fraction of a second.
		R) in the RTD and the heat transfer between the RTD sensing element and the RTD environment.
		If the RTD is in a poor heat transfer medium (e.g., air), it will heat up more than if it is in a fluid, such as water.
	www.engineeringtoolbox.com /rtd-termal-resistive-d_498.html (530 words)

	TheDenverChannel.com - Health - RTD Reaches Tentative Agreement With Union
		By law, the union would have to notify RTD 72 hours before going on strike and on Wednesday workers gave formal notice to RTD and the Colorado Division of Labor and Employment.
		Union leaders had objected to raises that RTD salaried workers got while workers' pay was frozen under a 2003 contract agreement.
		RTD's last strike was a walkout of about a month in 1982, Reed said.
	www.thedenverchannel.com /health/8342274/detail.html (695 words)

	TheDenverChannel.com - News - Union Members Approve RTD's Contract Offer
		RTD board members still have to vote on the revised contract Saturday morning but they are expected to approve it.
		Although the union board unanimously recommended approval of the previous RTD offer, the workers rejected it in last Sunday, triggering the first transit strike in metropolitan Denver in 24 years.
		One RTD board member said some of his colleagues were interested in studying it.
	www.thedenverchannel.com /news/8526595/detail.html (965 words)

	RTD
		The Type FK-DSC thin-film, platinum RTD elements are provided without leads so the user can attach leads of desired length and material for custom applications.
		These RTD elements provide a stable temperature sensor with high accuracy and repeatability over a moderate temperature range.
		Resistive Temperature Detectors operate on the principle that the electrical resistance of a metal conductor changes as a function of temperature.
	www.jimnel.com /rtd.html (618 words)

	Welcome to RTD-IRA
		RTD’s Individual Rider Account (RTD-IRA) is an innovative transit benefit program that allows employers and employees to enjoy the many advantages of riding transit while saving money.
		Employers that offer the RTD-IRA to their employees can save as much as $100 per employee per year on payroll taxes while providing a valuable employee benefit.
		If your company is not currently enrolled in the RTD-IRA program, please contact RTD at 303.299.2122 or by email at Contact Us.
	www.rtd-ira.com (102 words)

	RTD-Resistance Temperature Detector Sensor Vendors, S-T
		RTDs are wire wound and thin film devices that depend on the temperature coefficient of electrical resistance of metals.
		Check your local library's technical section or a engineering or science library at a university or technical college or school or the ISA or someone on the ASTM E20 committee on Temperature Measurement.
		You can learn more about their RTD standards on the RTD Standards Page of this site.
	www.temperatures.com /rtdvs.html (317 words)

	Action Instruments - G418 - Ultra SlimPak - RTD Input Field Configurable Isolator
		The output is linear to the RTD temperature input and can be set for either 0-5V, 0-10V, 0-1mA, 0-20mA or 4-20mA.
		The Ultra SlimPak G418 field configurable RTD input isolator is useful in eliminating ground loops and interfacing RTD sensors to data acquisition and control systems.
		The constant current RTD excitation circuitry uses the third lead of the RTD to sense and compensate for the RTD lead resistance, resulting in an accurate RTD temperature measurement.
	www.actionio.com /products/slimpak/g418.html (316 words)

	Practical Instrument Electronics (PIE) - RTD Calibrators
		The Practical Instrument Electronics (PIE) Model 510, 511, 512, 512S, and 525 are the industry's premier handheld RTD calibrators.
		These small, lightweight, rugged calibrators eliminate the need for large and clumsy decade boxes and confusing RTD conversion tables.
		Several RTD curves are available including Ω with the flexibility for custom curves to meet your needs!
	www.piecal.com /RTD.html (100 words)

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