{"id":3228,"date":"2014-07-08T21:04:24","date_gmt":"2014-07-09T04:04:24","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T07:00:00","slug":"3228","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/3228","title":{"rendered":"Readings from Vernier Energy Sensor are noisy."},"content":{"rendered":"<p>If the Energy Sensor seems to produce noisy readings proceed as follows:<br \/>\n1. Zero the Sensors on the VES while shorting out the Source terminals. Remove the short.<br \/>\n2. If connected to a wind turbine, try a more stable source like a battery or even a solar panel to see if the same kind of noise is seen. If the noise seems improved, then check to be sure that oversampling is switched on.<br \/>\n3. If the VES seems noisy when connected to a more stable source, then short the input and zero the sensors. Leave the shorting wire connected.<br \/>\n4. Collect data at 500 s\/second for one second.<br \/>\n5. If the voltage fluctuates in steps of +\/- 30 mV, that\u2019s normal. If dramatically more than this, call Vernier Tech support for assistance.<br \/>\n6. If the current fluctuates in steps of +\/- 1ma, that\u2019s normal. If much higher call Vernier Tech support for assistance.<br \/>\n7. At such small and fluctuating voltages and currents the calculated resistance is not meaningful.<\/p>","protected":false},"excerpt":{"rendered":"<p>If the Energy Sensor seems to produce noisy readings proceed as follows: 1. Zero the Sensors on the VES while shorting out the Source terminals&#8230;.<\/p>\n","protected":false},"author":31,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[5451,5450,5364],"class_list":["post-3228","post","type-post","status-publish","format-standard","hentry","tag-jitter-drift","tag-noise-float-flop","tag-ves-bta"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=3228"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3228\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=3228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=3228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=3228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}