{"id":3730,"date":"2017-03-17T17:55:01","date_gmt":"2017-03-18T00:55:01","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T07:00:00","slug":"3730","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/3730","title":{"rendered":"What are the Calibration equations for the CO2 Gas Sensor"},"content":{"rendered":"

The calibration equations for the CO2 Gas Sensors are listed below. They are divided into the old model (square body, pre-2007) and newer model (rounded body, post-2007).<\/p>\n

Sensor ‘CO2 Gas’ (-DIN and -BTA, pre-2007)
\n Calibration ‘CO2 ppm’:
\n Equation: Linear
\n y = bx + a
\n a: 0
\n b: 2000
\n Calibration ‘CO2 ppt’:
\n Equation: Linear
\n y = bx + a
\n a: 0
\n b: 2
\n Calibration ‘CO2 %’:
\n Equation: Linear
\n y = bx + a
\n a: 0
\n b: 0.2
\n Calibration ‘CO2 mg\/m^3’:
\n Equation: Linear
\n y = bx + a
\n a: 0
\n b: 3551.6<\/p>\n

Sensor ‘CO2 Gas Sensor'(post-2007)
\nLOW RANGE
\n Calibration ‘CO2 Low ppm’:
\n Equation: Linear
\n y = bx + a
\n a: 20
\n b: 2500
\n Calibration ‘CO2 Low ppt’:
\n Equation: Linear
\n y = bx + a
\n a: 0.02
\n b: 2.5
\n Calibration ‘CO2 Low %’:
\n Equation: Linear
\n y = bx + a
\n a: 0.002
\n b: 0.25
\n Calibration ‘CO2 Low mg\/m^3’:
\n Equation: Linear
\n y = bx + a
\n a: 35.516
\n b: 4439.5<\/p>\n

HIGH RANGE
\n Calibration ‘CO2 High ppm’:
\n Equation: Linear
\n y = bx + a
\n a: 20
\n b: 25000
\n Calibration ‘CO2 High ppt’:
\n Equation: Linear
\n y = bx + a
\n a: 0.02
\n b: 25
\n Calibration ‘CO2 High %’:
\n Equation: Linear
\n y = bx + a
\n a: 0.002
\n b: 2.5
\n Calibration ‘CO2 High mg\/m^3’:
\n Equation: Linear
\n y = bx + a
\n a: 35.516
\n b: 44395<\/p>\n

Arduino and SparkFun RedBoard Troubleshooting and FAQs<\/a><\/p>","protected":false},"excerpt":{"rendered":"

The calibration equations for the CO2 Gas Sensors are listed below. They are divided into the old model (square body, pre-2007) and newer model (rounded…<\/p>\n","protected":false},"author":1073,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[690,860,2883],"class_list":["post-3730","post","type-post","status-publish","format-standard","hentry","tag-calibration","tag-co2","tag-slope"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3730","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\/1073"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=3730"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/3730\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=3730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=3730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=3730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}