{"id":243034,"date":"2026-06-22T15:02:15","date_gmt":"2026-06-22T13:02:15","guid":{"rendered":"https:\/\/emariete.com\/co2-gadget-guia-calibracion\/"},"modified":"2026-07-07T09:11:23","modified_gmt":"2026-07-07T07:11:23","slug":"co%e2%82%82-gadget-calibration-guide","status":"publish","type":"post","link":"https:\/\/emariete.com\/en\/co2-gadget-guia-calibracion\/","title":{"rendered":"Gadget CO\u2082 Calibration Guide: FRC, Pressure and Warm-Up"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Calibrating your NDIR CO\u2082 sensor correctly is essential for obtaining reliable readings over time. CO2 Gadget supports forced calibration (FRC) for Sensirion SCD4x via the MyAmbiance app and the calibration webpage, as well as automatic ABC calibration and manual adjustment for the MH-Z19 and Senseair S8.<\/p>\n\n\n\n\n\n\n<div style=\"background:#fff8dc;border:1px solid #e6c300;border-radius:8px;padding:12px 16px;margin:12px 0;font-size:14px;line-height:1.5;color:#333\">\n<strong>Documentation is currently being updated.<\/strong> We are currently reviewing and improving all our pages. You may come across a broken link or some content that hasn\u2019t been finalised yet. If you spot anything that isn\u2019t quite right, please help us fix it at <a href=\"https:\/\/github.com\/melkati\/CO2-Gadget\/issues\" style=\"color:#0066cc\">GitHub<\/a>.\n<\/div>\n\n\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2 class=\"wp-block-heading\">Calibration methods<\/h2>\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Method<\/th><th>Via<\/th><th>Rank<\/th><\/tr><\/thead><tbody><tr><td>FRC (Forced Re-Calibration)<\/td><td>Web, menu, series, BLE, MQTT<\/td><td>400\u20132000 ppm<\/td><\/tr><tr><td>Calibration at 400 ppm<\/td><td>Menu<\/td><td>400 ppm fixed<\/td><\/tr><tr><td>Custom calibration<\/td><td>Menu<\/td><td>400\u20132000 ppm<\/td><\/tr><tr><td>ASC (Automatic Calibration)<\/td><td>Menu<\/td><td>ON \/ OFF<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Warm-up routine<\/h2>\n\n\n<p class=\"wp-block-paragraph\">CO2 Gadget implements a <strong>warm-up routine<\/strong> in accordance with the manufacturer\u2019s specifications for each sensor. During the warm-up, the meter accumulates readings and time before applying the calibration. Progress is retained even during deep sleep.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Pressure compensation<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The SCD30 and SCD4x sensors allow you to compensate CO\u2082 measurements for atmospheric pressure. You can enter the pressure in millibars or the altitude above sea level via the menu <strong>Settings \u2192 CO\u2082 Sensor \u2192 Comp. Pressure.<\/strong><\/p>\n\n\n<h2 class=\"wp-block-heading\">Web-based calibration<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The page <code>\/calibration.html<\/code> It displays real-time CO\u2082 readings and includes a form for performing a forced calibration. Simply enter the value (400\u20132000 ppm) and press \u2018Calibrate\u2019.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Important notes<\/h2>\n\n\n<ul class=\"wp-block-list\">\n<li>Calibration at 400 ppm requires the sensor to be exposed to clean outside air<\/li>\n<li>The CM1106 sensor in continuous mode pauses deep sleep during calibration<\/li>\n<li><strong>CO2 Gadget offers professional calibration options that you won\u2019t find in standard meters<\/strong><\/li>\n<\/ul>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<p class=\"wp-block-paragraph\"><em>Did you find this helpful? Share this article. Have a look at the <a href=\"https:\/\/emariete.com\/en\/co2-gadget-guide-menu\/\">Menu Guide<\/a>. Any questions? Ask on the <a href=\"https:\/\/t.me\/emariete_chat\">Telegram group<\/a>.<\/em><\/p>\n<div class=\"essb_break_scroll\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Gadget CO\u2082 Calibration Guide. Learn how to calibrate your high-quality CO\u2082 meter: FRC, custom calibration, atmospheric pressure compensation, warm-up and ASC.<\/p>","protected":false},"author":1,"featured_media":243275,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[13,16,18],"tags":[24,50],"class_list":["post-243034","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-co2-gadget","category-medidor-co2","category-sensores-de-co2","tag-co2-gadget","tag-sensores"],"modified_by":null,"uagb_featured_image_src":{"full":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_white_text_202607050739_6-1.jpeg",1376,768,false],"thumbnail":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_white_text_202607050739_6-1-150x150.jpeg",150,150,true],"medium":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_white_text_202607050739_6-1-300x167.jpeg",300,167,true],"medium_large":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_white_text_202607050739_6-1-768x429.jpeg",768,429,true],"large":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_white_text_202607050739_6-1-1024x572.jpeg",1024,572,true],"1536x1536":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_white_text_202607050739_6-1.jpeg",1376,768,false],"2048x2048":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_white_text_202607050739_6-1.jpeg",1376,768,false],"trp-custom-language-flag":["https:\/\/emariete.com\/wp-content\/uploads\/2026\/07\/Blue_banner_with_white_text_202607050739_6-1-18x10.jpeg",18,10,true]},"uagb_author_info":{"display_name":"Mariete","author_link":"https:\/\/emariete.com\/en\/author\/admin_xlyz052h\/"},"uagb_comment_info":0,"uagb_excerpt":"Gu\u00eda de calibraci\u00f3n de CO2 Gadget. Aprende a calibrar tu medidor de CO\u2082 de alta calidad: FRC, calibraci\u00f3n personalizada, compensaci\u00f3n por presi\u00f3n atmosf\u00e9rica, warm-up y ASC.","_links":{"self":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/posts\/243034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/comments?post=243034"}],"version-history":[{"count":10,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/posts\/243034\/revisions"}],"predecessor-version":[{"id":243287,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/posts\/243034\/revisions\/243287"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/media\/243275"}],"wp:attachment":[{"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/media?parent=243034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/categories?post=243034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/emariete.com\/en\/wp-json\/wp\/v2\/tags?post=243034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}