{"id":3486,"date":"2015-09-15T16:59:30","date_gmt":"2015-09-15T23:59:30","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T07:00:00","slug":"3486","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/3486","title":{"rendered":"What is the difference between the Sound Level Sensor and the Sound Level Meter?"},"content":{"rendered":"<p>The <a href=\"\/product\/sound-level-sensor\/\">Sound Level Sensor<\/a> (<nobr>SLS-BTA<\/nobr>) is a lower cost alternative to the Sound Level Meter (SLM-BTA, <em>discontinued<\/em>). It is a simple, easily-operated sensor to measure and investigate sound levels in typical classroom environments.<\/p>\n<p>The Sound Level Meter offers greater accuracy and a greater range than the Sound Level Sensor, allowing deeper investigation of sound levels in a variety of environments and situations. But, it is considerably more expensive.<\/p>\n<p>The following table may be helpful in determining which sensor fits your needs:<\/p>\n<table class=\"table-generic sensor-comparison\">\n<tr>\n<th>Feature<\/th>\n<th class=\"text-center\"><b>Sound Level Sensor<\/b><\/th>\n<th class=\"text-center\"><b>Sound Level Meter<\/b><\/th>\n<\/tr>\n<tr>\n<td>Weighting<\/td>\n<td class=\"text-center\">A<\/td>\n<td class=\"text-center\">A and C<\/td>\n<\/tr>\n<tr>\n<td>Range<\/td>\n<td class=\"text-center\">Single Range: 55 \u00e2\u20ac\u201c 110 dB<\/td>\n<td class=\"text-center\">Two Ranges: Low (35 \u00e2\u20ac\u201c 90 dB) and High (75 &#8211; 130 dB)<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td class=\"text-center\">0.1 dB<\/td>\n<td class=\"text-center\">0.1 dB<\/td>\n<\/tr>\n<tr>\n<td>Accuracy<\/td>\n<td class=\"text-center\">\u00c2\u00b1 3 dB<\/td>\n<td class=\"text-center\">\u00c2\u00b1 1.5 dB<\/td>\n<\/tr>\n<tr>\n<td>Frequency Range<\/td>\n<td class=\"text-center\">300 \u00e2\u20ac\u201c 10,000 Hz<\/td>\n<td class=\"text-center\">30 \u00e2\u20ac\u201c 8,000 Hz<\/td>\n<\/tr>\n<tr>\n<td>Stand-alone operation (on-device display)<\/td>\n<td class=\"text-center\"><\/td>\n<td class=\"text-center\">&#10003;<\/td>\n<\/tr>\n<tr>\n<td>Requires batteries<\/td>\n<td class=\"text-center\"><\/td>\n<td class=\"text-center\">&#10003;<\/td>\n<\/tr>\n<tr>\n<td>Order Code<\/td>\n<td class=\"text-center\">SLS-BTA<\/td>\n<td class=\"text-center\">SLM-BTA<\/td>\n<\/tr>\n<\/table>\n<p>See also:<br \/>\n<a href=\"\/til\/3487\/\">What advantages does a Vernier sound level sensor have over a smartphone sound level app?<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The is a lower cost alternative to the . It is a simple, easily-operated sensor to measure and investigate sound levels in typical classroom environments&#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":[5910,1753,5907,5911],"class_list":["post-3486","post","type-post","status-publish","format-standard","hentry","tag-difference-comparison-compare","tag-slm-bta","tag-sls-bta","tag-sound-level"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3486","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=3486"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3486\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=3486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=3486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=3486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}