{"id":1410,"date":"2011-10-05T21:43:21","date_gmt":"2011-10-06T04:43:21","guid":{"rendered":""},"modified":"2025-07-25T06:52:29","modified_gmt":"2025-07-25T13:52:29","slug":"1410","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/1410","title":{"rendered":"Low-g Accelerometer Troubleshooting and FAQs"},"content":{"rendered":"<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<h3 class=\"wp-block-heading\"><a href=\"\/product\/low-g-accelerometer\/\">Low-g Accelerometer<\/a> (<nobr>LGA-BTA<\/nobr>)<\/h3>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<p> <a href=\"\/manuals\/LGA-BTA\">Specifications and User Guide<\/a><\/p>\n<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.vernier.com\/wp-content\/uploads\/2019\/11\/product.lga-bta._hero.001.jpg\" alt=\"\"\/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<h3 class=\"wp-block-heading\">Troubleshooting<\/h3>\n<ul class=\"wp-block-list\">\n<li><b>Primary Test:<\/b> Point the sensor arrow upward and hold sensor motionless; reading should be approximately 9.8 m\/s\u00b2. Point arrow downward; reading should be approximately -9.8 m\/s\u00b2.<\/li>\n<li><b>Secondary Test:<\/b> Make sure that the line marked by the arrow on the label of the sensor is positioned parallel to the direction of intended acceleration measurement.<\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Additional Troubleshooting<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/til\/677\/\">What is the difference between your accelerometers?<\/a><\/li>\n<li><a href=\"\/til\/1153\/\">What can I do to reduce the error in Physics with Vernier Experiment 9, Newton's 2nd Law?<\/a><\/li>\n<li><a href=\"\/til\/3536\/\">Can I use an accelerometer to measure velocity or position? <\/a><\/li>\n<li><a href=\"\/til\/418\/\">How do you calibrate an accelerometer?<\/a><\/li>\n<li><a href=\"\/til\/3706\/\">What does an accelerometer actually measure?<\/a><\/li>\n<li><a href=\"\/til\/4102\/\">What are the dimensions of the mounting holes on the Vernier wired (BTA) accelerometers?<\/a><\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n<ul class=\"wp-block-list\">\n<li>Power: 30 mA @ 5VDC<\/li>\n<li>Range: +\/-50 m\/s\u00b2 (+\/-5g)<\/li>\n<li>Accuracy: +\/-0.5 m\/s\u00b2 (+\/- 0.05g)<\/li>\n<li>Frequency Response: 0 to 100 Hz<\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Calibration<\/h3>\n<p>Calibrate? Usually, no. The sensor is individually calibrated before shipping. For many experiments, you may use the stored calibration and zero the sensor before collecting data. For more information, see <a href=\"\/til\/4011\/\">How do I calibrate my sensor?<\/a><\/p>\n<h4 class=\"wp-block-heading\"><strong>HORIZONTAL DIRECTION<\/strong><\/h4>\n<p>If you wish to calibrate the sensor for acceleration in the horizontal direction, you will conduct a two-point calibration.<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>First point<\/strong><br \/>\u26ac position the sensor with the arrow pointing down<br \/>\u26ac define this reading as -9.8 m\/s\u00b2 or -1 g<\/li>\n<li><strong>Second point<\/strong><br \/>\u26ac rotate the sensor so that the arrow points up<br \/>\u26ac define this reading as +9.8 m\/s\u00b2 or +1 g<\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h4 class=\"wp-block-heading\"><strong>VERTICAL DIRECTION<\/strong><\/h4>\n<p>If you wish to calibrate the sensor for acceleration in the vertical direction, first decide which direction (up or down) will be the positive direction. Our recommendation is to consider up as positive and conduct the experiment with the vertical direction arrow pointing vertically upward.<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>First point<\/strong><br \/>\u26ac position the sensor with the arrow pointing upward<br \/>\u26ac define this reading as 0 m\/s\u00b2 or 0 g<\/li>\n<li><strong>Second point<\/strong><br \/>\u26ac rotate the sensor so that the arrow points downward <br \/>\u26ac define this reading as -19.6 m\/s\u00b2 or -2 g<\/li>\n<\/ul>\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Related Products<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/product\/25-g-accelerometer\/\">25-g Accelerometer<\/a> (<nobr>ACC-BTA<\/nobr>)<\/li>\n<li><a href=\"\/product\/3-axis-accelerometer\/\">3-Axis Accelerometer<\/a> (<nobr>3D-BTA<\/nobr>)<\/li>\n<li><a href=\"\/product\/go-direct-acceleration-sensor\/\">Go Direct<sup>&reg;<\/sup> Acceleration Sensor<\/a> (<nobr>GDX-ACC<\/nobr>)<\/li>\n<li><a href=\"\/product\/go-direct-force-and-acceleration-sensor\/\">Go Direct<sup>&reg;<\/sup> Force and Acceleration Sensor<\/a> (<nobr>GDX-FOR<\/nobr>)<\/li>\n<li><a href=\"\/product\/go-direct-sensor-cart\/\">Go Direct<sup>&reg;<\/sup> Sensor Cart<\/a> (<nobr>GDX-CART-G<\/nobr>)<\/li>\n<li><a href=\"\/product\/go-direct-sensor-cart\/\">Go Direct<sup>&reg;<\/sup> Sensor Cart<\/a> (<nobr>GDX-CART-Y<\/nobr>)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Specifications and User Guide Troubleshooting Additional Troubleshooting Specifications Calibration Calibrate? Usually, no. The sensor is individually calibrated before shipping. For many experiments, you may use&#8230;<\/p>\n","protected":false},"author":33,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[580,1825,349,271,1826,720],"class_list":["post-1410","post","type-post","status-publish","format-standard","hentry","tag-accelerometer","tag-accelerometermain","tag-lga-bta","tag-lga-din","tag-lgamain","tag-maintil"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/1410","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\/33"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=1410"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/1410\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=1410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=1410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=1410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}