{"id":2304,"date":"2021-12-08T14:15:16","date_gmt":"2021-12-08T17:15:16","guid":{"rendered":"https:\/\/metrologia2021.org.br\/?p=2304"},"modified":"2021-12-08T14:15:16","modified_gmt":"2021-12-08T17:15:16","slug":"204823-evaluation-of-the-effects-of-leakage-current-in-the-calibration-of-standard-resistors-between-two-dc-resistance-bridges-and-a-digital-sampling-impedance-bridge","status":"publish","type":"post","link":"https:\/\/metrologia2021.org.br\/?p=2304","title":{"rendered":"[204823] Evaluation of the effects of leakage current in the calibration of standard resistors between two dc resistance bridges and a digital sampling impedance bridge"},"content":{"rendered":"

[vc_row][vc_column][vc_text_separator title=”ARTIGO” i_icon_fontawesome=”fa fa-file-pdf-o” color=”om-accent-color-3″ add_icon=”true”][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]Autores: <\/strong>M\u00e1rcio C\u00e2ndido da Silva, Gean Marcos Geronymo<\/p>\n

[\/vc_column_text][vc_separator][vc_column_text]Resumo:<\/strong> This article discusses calibrations results of standard resistors performed with two commercially available equipment and a digital sampling impedance bridge developed at Inmetro. One of the commercial bridges uses the current comparison method and the other the potentiometric method with a binary voltage divider. Calibration was performed with standard resistors of 10 k\u03a9 and 100 k\u03a9 with significant leakage current. This study showed divergent results between each methodology. A specific methodology was used to estimate the leakage resistance of these resistors. This study contributes to establish criteria for correction and\/or inclusion of uncertainty components in resistors calibrated in these methodologies.
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