About: Calibration of Industrial Platinum Resistance Thermometers up to 700 °C

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Industrial grade platinum resistance thermometers were calibrated in the temperature range from 200°C to 700°C . Both wire-wound and thin-film sensor-based thermometers were investigated. The purpose of the study was to investigate thermometers which could be used in future coal power plants. The calibrations were performed in a vertical cesium heat-pipe furnace and in a horizontal and vertical sodium heat-pipe furnace. The reference thermometer was a standard platinum resistance thermometer calibrated at fixed points up to the aluminum point. In addition to calibration, various thermal tests including immersion measurements and thermal-cycling tests were performed. The stability of the sensors was determined by monitoring the ice-point resistance. Possible contamination of the sensors was determined by measuring the resistance ratio R(30°C)/R(10°C) several times during the measurement period. The calibration curves were compared with the ICE 60751 standard and International Temperature Scale 1990 (ITS-90) reference functions. Considerable changes were found in all tested thermometers. The wire-wound sensors were more stable than the thin-film sensors Industrial grade platinum resistance thermometers were calibrated in the temperature range from 200°C to 700°C . Both wire-wound and thin-film sensor-based thermometers were investigated. The purpose of the study was to investigate thermometers which could be used in future coal power plants. The calibrations were performed in a vertical cesium heat-pipe furnace and in a horizontal and vertical sodium heat-pipe furnace. The reference thermometer was a standard platinum resistance thermometer calibrated at fixed points up to the aluminum point. In addition to calibration, various thermal tests including immersion measurements and thermal-cycling tests were performed. The stability of the sensors was determined by monitoring the ice-point resistance. Possible contamination of the sensors was determined by measuring the resistance ratio R(30°C)/R(10°C) several times during the measurement period. The calibration curves were compared with the ICE 60751 standard and International Temperature Scale 1990 (ITS-90) reference functions. Considerable changes were found in all tested thermometers. The wire-wound sensors were more stable than the thin-film sensors (en)
Title	Calibration of Industrial Platinum Resistance Thermometers up to 700 °C Calibration of Industrial Platinum Resistance Thermometers up to 700 °C (en)
skos:prefLabel	Calibration of Industrial Platinum Resistance Thermometers up to 700 °C Calibration of Industrial Platinum Resistance Thermometers up to 700 °C (en)
skos:notation	RIV/00177016:_____/14:#0001020!RIV15-MSM-00177016
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(7A11082)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Strnad, Radek
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Český metrologický institut
http://linked.open...dnocenehoVysledku	6089
http://linked.open...ai/riv/idVysledku	RIV/00177016:_____/14:#0001020
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Calibration; Industrial; Platinum; Temperature; Thermometer (en)
http://linked.open.../riv/klicoveSlovo	Temperature Industrial Thermometer Calibration Platinum
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[6CE5E7C46B00]
http://linked.open...i/riv/nazevZdroje	International Jurnal of Thermophysics
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Metrology for improved power plant efficiency
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	35
http://linked.open...iv/tvurceVysledku	Strnad, Radek Hahtela, O. Heinonen, Martti Kajastie, H. Ojanen, M. Riski, K.
issn	1572-9567
number of pages	12 (xsd:int)

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