{"id":2597,"date":"2012-10-22T21:12:42","date_gmt":"2012-10-23T04:12:42","guid":{"rendered":""},"modified":"2020-08-05T14:30:49","modified_gmt":"2020-08-05T21:30:49","slug":"2597","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/2597","title":{"rendered":"I&#8217;m using a LabPro as my data collection interface for the Chemical Polarimeter. Do I need to follow any special instructions?"},"content":{"rendered":"<p>If you are using the Polarimeter with a LabPro interface, please do the following:<\/p>\n<p>1) Make sure you are using Logger <i>Pro<\/i> 3.8.5 or newer. To update your software, go to <a href=\"https:\/\/www.vernier.com\/support\/updates\/logger-pro\/\">https:\/\/www.vernier.com\/support\/updates\/logger-pro\/<\/a><\/p>\n<p>2) Only rotate the analyzer while data collection is active. To ensure this, allow a few seconds at both the beginning and ending of the 15 second data collection without moving the analyzer. Typically, a warning \u201cWaiting for data\u2026\u201d will appear when data collection has been initiated; wait until this message has disappeared before rotating the analyzer. Rotate the analyzer two or three times, then stop a few seconds before data collection ends. You may find it helpful to add a Time meter to your screen.<\/p>\n<p>LabPro users have these extended instructions because the optical encoder that tells Logger <i>Pro<\/i> what angle the analyzer is sitting on does not continuously collect data on the LabPro like it does when used with a LabQuest (any model) interface.<\/p>\n<p>For other Polarimeter troubleshooting see <a href=\"\/til\/2591\/\">Chemical Polarimeter Troubleshooting and FAQs<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>If you are using the Polarimeter with a LabPro interface, please do the following: 1) Make sure you are using Logger Pro 3.8.5 or newer&#8230;.<\/p>\n","protected":false},"author":11015,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[4307,162,166,4311,4310],"class_list":["post-2597","post","type-post","status-publish","format-standard","hentry","tag-chem-pol","tag-interface","tag-labpro","tag-pol","tag-polarimeter"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/2597","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\/11015"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=2597"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/2597\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=2597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=2597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=2597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}