{"id":2458,"date":"2011-07-20T16:40:47","date_gmt":"2011-07-20T23:40:47","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T07:00:00","slug":"2458","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/2458","title":{"rendered":"Data collected with LabQuest Mini are very noisy, or triggering fails."},"content":{"rendered":"<p>LabQuest Minis produced between October 2010 and January 2011 contained a part that made the power supplies unstable. As a result, some sensors gave noisier readings, corresponding to as much as 10X the normal bit noise, when used with affected units. <\/p>\n<p>Affected sensors include:<br \/>\n<a href=\"\/product\/gas-pressure-sensor\/\">Gas Pressure Sensor<\/a> (<nobr>GPS-BTA<\/nobr>)<br \/>\nOther sensors may also show the noise issue.<\/p>\n<p>Serial numbers include: <\/p>\n<p>10008185 &#8211; 10010182<\/p>\n<p>Sometimes triggering would fail, because the noise would make it impossible to distinguish between rising and falling signals. <\/p>\n<p>Field repair is not possible. These units need to be returned to Vernier for modification.<\/p>\n<p>This is not the same issue as <a href=\"\/til\/2436\/\">LabQuest (original) and LabQuest Mini: Readings from my Vernier Microphone are very noisy.<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>LabQuest Minis produced between October 2010 and January 2011 contained a part that made the power supplies unstable. As a result, some sensors gave noisier&#8230;<\/p>\n","protected":false},"author":8976,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[3448,882,4083,1308],"class_list":["post-2458","post","type-post","status-publish","format-standard","hentry","tag-lq-mini","tag-noise","tag-rise-fall","tag-trigger"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/2458","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\/8976"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=2458"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/2458\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=2458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=2458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=2458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}