{"id":3206,"date":"2017-02-08T18:13:47","date_gmt":"2017-02-09T02:13:47","guid":{"rendered":""},"modified":"2021-01-11T13:57:36","modified_gmt":"2021-01-11T21:57:36","slug":"3206","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/3206","title":{"rendered":"What are the similarities and differences between radiation monitors?"},"content":{"rendered":"<h3>Similarities<\/h3>\n<ul>\n<li>Detect the presence of a source of radiation<\/li>\n<li>Monitor counts\/interval (rate) as different thicknesses of a particular type of shielding are placed between the Geiger-Mueller tube of the Radiation Monitor and a beta or gamma source<\/li>\n<li>Compare the effect of different types of materials to shield beta or gamma radiation<\/li>\n<li>Set up a histogram with a very long run time to show students how initial randomness of data develops first in a Poisson distribution, and then into a Gaussian distribution curve<\/li>\n<li>Measure radiation of common radioactive materials, such as lantern mantels or pre-World War II Fiestaware<\/li>\n<li>Monitor variation in background radiation at different elevations<\/li>\n<li>Monitor radioactivity in the environment over long periods of time<\/li>\n<li>Monitor counts per interval (rate) from a beta or gamma radiation source as a function of the distance between the source and the Radiation Monitor<\/li>\n<li>Sensor: LND 712 (or equivalent) halogen-quenched GM tube with a mica end window, with mass per unit area of 1.5 to 2.0 mg\/cm<sup>2<\/sup><\/li>\n<li>Operating range CPS 0 &#8211; 3,500<\/li>\n<li>Counting Detection: Blinking LED with optional audio signal<\/li>\n<\/ul>\n<h3>Differences<\/h3>\n<table>\n<thead>\n<tr>\n<th><\/th>\n<th>Go Direct Radiation Monitor (GDX-RAD)<\/th>\n<th>Vernier Radiation Monitor (VRM-BTD)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Power Source<\/td>\n<td>Rechargeable 300 mAh battery, charges via USB cable<\/td>\n<td>Does not require battery or AC power. Powered by Vernier interface.<\/td>\n<\/tr>\n<tr>\n<td>Viewing Data<\/td>\n<td>Can be connected to a LabQuest 2 or LabQuest 3, and Graphical Analysis or Graphical Analysis Pro (PC, Mac, Chrome, iOS, Android)<\/td>\n<td>Requires a Vernier LabQuest interface (any model) and compatible software (LabQuest app, Logger <i>Pro<\/i>, or Graphical Analysis, Graphical Analysis Pro)<\/td>\n<\/tr>\n<tr>\n<td>Connection Type<\/td>\n<td>Bluetooth (iOS or Android) or USB cable (PC, Mac, or Chrome)<\/td>\n<td>BTD cable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>Similarities Detect the presence of a source of radiation Monitor counts\/interval (rate) as different thicknesses of a particular type of shielding are placed between the&#8230;<\/p>\n","protected":false},"author":100811,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[2766,5413,729,38,4529,5412],"class_list":["post-3206","post","type-post","status-publish","format-standard","hentry","tag-drm-btd","tag-gdx-rad","tag-radiation","tag-radiation-monitor","tag-vrm-btd","tag-vs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3206","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\/100811"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=3206"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3206\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=3206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=3206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=3206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}