Karakterisasi Material dan Spektroskopi Impedansi

dc.contributor.authorUmar, Lazuardi
dc.contributor.authorYanuar
dc.contributor.authorEmrinaldi, Tengku
dc.date.accessioned2013-04-16T03:07:10Z
dc.date.available2013-04-16T03:07:10Z
dc.date.issued2013-04-16
dc.description.abstractAbstract— This work present a low cost soil moisture sensor based on impedance spectroscopy by means of magnitude ratio and phase difference detection method. For this purpose, a probe which uses a simpliried impedance measuring system to determine soil water content has been designed. The circuit sweeps at pre-programmed frequencies from 10 KHz to lOMHz with lOmVac amplitude. A local inceptisol soil of East Sumatra was especially selected for this investigatioa because measurements of soil moisture in peat swamp area were generally reported as difficult ones. A sample at defined soil moisture of 2%, %"/», 15% measured using commercial soil sensor Lutron PMS-7i4 was characterized. A corrected model has been developed in order to reject the frequency influence upon the measurement. The results obtained by the sensor show good results with an overall mean error of0.207% in impedance.en_US
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttp://repository.unri.ac.id:80/handle/123456789/2877
dc.language.isoenen_US
dc.subjectSoil moistureen_US
dc.subjectsensoren_US
dc.subjectimpedanceen_US
dc.subjectspectroscopyen_US
dc.subjectinceptisolen_US
dc.subjectmagnitude ratioen_US
dc.titleKarakterisasi Material dan Spektroskopi Impedansien_US
dc.typeUR e-Researchen_US

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