Document Detail


Evaluation of high temperature pressure sensors.
MedLine Citation:
PMID:  21456794     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
It is becoming more important to measure the pressure in high temperature environments in many industrial fields. However, there is no appropriate evaluation system and compensation method for high temperature pressure sensors since most pressure standards have been established at room temperature. In order to evaluate the high temperature pressure sensors used in harsh environments, such as high temperatures above 250 °C, a specialized system has been constructed and evaluated in this study. The pressure standard established at room temperature is connected to a high temperature pressure sensor through a chiller. The sensor can be evaluated in conditions of changing standard pressures at constant temperatures and of changing temperatures at constant pressures. According to the evaluation conditions, two compensation methods are proposed to eliminate deviation due to sensitivity changes and nonlinear behaviors except thermal hysteresis.
Authors:
In-Mook Choi; Sam-Yong Woo; Yong-Kyu Kim
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Review of scientific instruments     Volume:  82     ISSN:  1089-7623     ISO Abbreviation:  Rev Sci Instrum     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-04-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0405571     Medline TA:  Rev Sci Instrum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  035112     Citation Subset:  IM    
Affiliation:
Center for Mass-Related Quantities, Korea Research Institute of Standards and Science (KRISS), P.O. Box 102, Yuseong, Daejeon 305-600, South Korea.
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