Multisample Data Acquisition System for Resistance Measurement of High-temperature Superconductors

The construction of a system for simultaneous multiple sample resistance measurement of high-temperature superconductors is reported. The data acquisition system uses the PCLD785B relay board controlled by parallel input-output 8255A PIA emulation through a PCL724B card to perform multisample measu...

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Main Authors: Yahya, Ahmad Kamal, Md Salleh, Faizah
Format: Article
Language:English
English
Published: Universiti Putra Malaysia Press 1999
Online Access:http://psasir.upm.edu.my/id/eprint/3478/1/Multisample_Data_Acquisition_System_for_Resistance.pdf
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author Yahya, Ahmad Kamal
Md Salleh, Faizah
author_facet Yahya, Ahmad Kamal
Md Salleh, Faizah
author_sort Yahya, Ahmad Kamal
collection UPM
description The construction of a system for simultaneous multiple sample resistance measurement of high-temperature superconductors is reported. The data acquisition system uses the PCLD785B relay board controlled by parallel input-output 8255A PIA emulation through a PCL724B card to perform multisample measurements by signal switching. The system, which is controlled by a 80486 microcomputer, is able to log, store and plot temperature and resistance readings and can be modified to accommodate up to six samples per run. The temperature can be measured with a precision of 0.1 K and accuracy of ±1 K. The absolute-zero offset value is less than 0.1 K. The maximum switching voltage, maximum current and open channel isolation resistance are 125 V, 2 A and 100 MQ, respectively. The closed channel
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spelling upm.eprints-34782013-05-27T07:08:51Z http://psasir.upm.edu.my/id/eprint/3478/ Multisample Data Acquisition System for Resistance Measurement of High-temperature Superconductors Yahya, Ahmad Kamal Md Salleh, Faizah The construction of a system for simultaneous multiple sample resistance measurement of high-temperature superconductors is reported. The data acquisition system uses the PCLD785B relay board controlled by parallel input-output 8255A PIA emulation through a PCL724B card to perform multisample measurements by signal switching. The system, which is controlled by a 80486 microcomputer, is able to log, store and plot temperature and resistance readings and can be modified to accommodate up to six samples per run. The temperature can be measured with a precision of 0.1 K and accuracy of ±1 K. The absolute-zero offset value is less than 0.1 K. The maximum switching voltage, maximum current and open channel isolation resistance are 125 V, 2 A and 100 MQ, respectively. The closed channel Universiti Putra Malaysia Press 1999 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/3478/1/Multisample_Data_Acquisition_System_for_Resistance.pdf Yahya, Ahmad Kamal and Md Salleh, Faizah (1999) Multisample Data Acquisition System for Resistance Measurement of High-temperature Superconductors. Pertanika Journal of Science & Technology, 7 (1). pp. 25-32. ISSN 0128-7680 English
spellingShingle Yahya, Ahmad Kamal
Md Salleh, Faizah
Multisample Data Acquisition System for Resistance Measurement of High-temperature Superconductors
title Multisample Data Acquisition System for Resistance Measurement of High-temperature Superconductors
title_full Multisample Data Acquisition System for Resistance Measurement of High-temperature Superconductors
title_fullStr Multisample Data Acquisition System for Resistance Measurement of High-temperature Superconductors
title_full_unstemmed Multisample Data Acquisition System for Resistance Measurement of High-temperature Superconductors
title_short Multisample Data Acquisition System for Resistance Measurement of High-temperature Superconductors
title_sort multisample data acquisition system for resistance measurement of high temperature superconductors
url http://psasir.upm.edu.my/id/eprint/3478/1/Multisample_Data_Acquisition_System_for_Resistance.pdf
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