{"id":2066,"date":"2013-12-27T19:08:53","date_gmt":"2013-12-28T03:08:53","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T07:00:00","slug":"2066","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/2066","title":{"rendered":"Why is the maximum sample time for a spectrometer set at 1000 milliseconds?"},"content":{"rendered":"<p>At sample times (also known as integration time) greater than 1000 milliseconds, it is impossible to differentiate between the normal signal noise of the spectrometer and a measurable reading of light emission. The readings have no significant meaning. This makes it difficult to measure the light emission from very faint source, such as: glowing solids or liquids, reflected light, or celestial objects.<\/p>\n<p>This is only an issue when measuring emissions. When you use a spectrometer to measure absorbance or % transmittance, the sample time is automatically determined by the software during calibration.<\/p>","protected":false},"excerpt":{"rendered":"<p>At sample times (also known as integration time) greater than 1000 milliseconds, it is impossible to differentiate between the normal signal noise of the spectrometer&#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":[3333,2143,3332,2163],"class_list":["post-2066","post","type-post","status-publish","format-standard","hentry","tag-integration-time","tag-ocean-optics","tag-sample-time","tag-spectrometer"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/2066","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=2066"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/2066\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=2066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=2066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=2066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}