{"id":2110,"date":"2011-03-31T16:52:18","date_gmt":"2011-03-31T23:52:18","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T07:00:00","slug":"2110","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/2110","title":{"rendered":"How do I tell if a Current Probe is damaged?"},"content":{"rendered":"<p>If a <a href=\"\/product\/current-probe\/\">Current Probe<\/a> (<nobr>DCP-BTA<\/nobr>) was subjected to more than 0.6A, it will burn out a resistor inside the sensor. This can happen when students don&#8217;t get the value they want, so they just keep increasing the current on a power supply.<\/p>\n<p>Typically a blown Current Probe will still auto ID, but will read 0 A on its own and 0.6 A when connected to a circuit.  There is not actually any current flowing through the probe because the sense resistor has been burned open. If you have an ohmmeter it&#8217;s easy to tell if this is the case. The sense resistor is a 0.1 &Omega;  resistor which is directly between the + and &#8211; posts. When testing a blown Current Probe with an ohmmeter, you will get an error or overload message, because it is an open circuit.<\/p>\n<p>Another possible problem is that the binding post can become loose twist until the wire breaks, which will give the same symptom. <\/p>\n<p>In either case, the unit can be repaired by replacing the resistor. Contact Vernier technical support to set up a repair order.<\/p>","protected":false},"excerpt":{"rendered":"<p>If a was subjected to more than 0.6A, it will burn out a resistor inside the sensor. This can happen when students don&#8217;t get the&#8230;<\/p>\n","protected":false},"author":33,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[1200],"class_list":["post-2110","post","type-post","status-publish","format-standard","hentry","tag-dcp-bta"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/2110","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\/33"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=2110"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/2110\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=2110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=2110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=2110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}