{"article":{"id":360060843933,"url":"https://bitfinder.zendesk.com/api/v2/help_center/en-us/articles/360060843933.json","html_url":"https://support.getawair.com/hc/en-us/articles/360060843933-Technical-Accuracy-of-Awair-Element-Sensors","author_id":21461321167,"comments_disabled":true,"draft":false,"promoted":false,"position":0,"vote_sum":0,"vote_count":0,"upvote_count":0,"downvote_count":0,"section_id":360006256433,"created_at":"2020-12-19T04:16:57Z","updated_at":"2021-11-03T09:31:03Z","name":"Technical Accuracy of Awair Element Sensors","title":"Technical Accuracy of Awair Element Sensors","source_locale":"en-us","locale":"en-us","outdated":false,"outdated_locales":[],"edited_at":"2021-11-03T09:31:03Z","user_segment_id":null,"permission_group_id":109007,"content_tag_ids":[],"label_names":["range of accuracy","accuracy","specs"],"body":"<h1><strong>Overview</strong></h1>\n<p><span style=\"font-weight: 400;\">Each sensor is pre-calibrated by the manufacturer and then goes through batch testing and calibration in a controlled environment chamber to achieve the maximum level of accuracy.</span></p>\n<p> </p>\n<h2><strong>Temperature</strong></h2>\n<ul>\n<li><span style=\"font-weight: 400;\">Sensor: Sensirion SHT31</span></li>\n<li><span style=\"font-weight: 400;\">Type: Complementary metal-oxide semiconductor sensor (CMOS)</span></li>\n<li><span style=\"font-weight: 400;\">Range: 0 - 90°C (32 - 194°F)</span></li>\n<li><span style=\"font-weight: 400;\">Resolution: 0.015ºC</span></li>\n<li><span style=\"font-weight: 400;\">Accuracy: ±0.2°C</span></li>\n</ul>\n<h2><strong>Relative Humidity</strong></h2>\n<ul>\n<li><span style=\"font-weight: 400;\">Sensor: Sensirion SHT31</span></li>\n<li><span style=\"font-weight: 400;\">Type: Complementary metal-oxide semiconductor sensor (CMOS)</span></li>\n<li><span style=\"font-weight: 400;\">Range: 0 - 100% RH</span></li>\n<li><span style=\"font-weight: 400;\">Resolution: 0.01% RH</span></li>\n<li><span style=\"font-weight: 400;\">Accuracy: ±2% RH</span></li>\n</ul>\n<h2><strong>Carbon Dioxide (CO2)</strong></h2>\n<ul>\n<li><span style=\"font-weight: 400;\">Sensor: Amphenol-Telaire T6703</span></li>\n<li><span style=\"font-weight: 400;\">Type: Non-Dispersive Infrared Sensor (NDIR)</span></li>\n<li><span style=\"font-weight: 400;\">Range: 400 - 5,000ppm </span></li>\n<li><span style=\"font-weight: 400;\">Resolution: 1ppm</span></li>\n<li><span style=\"font-weight: 400;\">Accuracy: ±75ppm or 10% (whichever is greater)</span></li>\n</ul>\n<h2><strong>Volatile Organic Compounds (TVOC)</strong></h2>\n<ul>\n<li><span style=\"font-weight: 400;\">Sensor: Sensirion SGP30</span></li>\n<li><span style=\"font-weight: 400;\">Type: Multi-pixel metal oxide gas sensor</span></li>\n<li><span style=\"font-weight: 400;\">Resolution: 1ppb</span></li>\n<li><span style=\"font-weight: 400;\">Range: 20 - 36,000ppb </span></li>\n<li><span style=\"font-weight: 400;\">Accuracy: ±15%</span></li>\n</ul>\n<h2><strong>Fine Dust PM2.5 </strong></h2>\n<ul>\n<li><span style=\"font-weight: 400;\">Sensor: Honeywell HPMA115S0</span></li>\n<li><span style=\"font-weight: 400;\">Type: Laser-based light scattering sensor</span></li>\n<li><span style=\"font-weight: 400;\">Range: 0 - 1,000 µg/m³</span></li>\n<li>\n<span style=\"font-weight: 400;\">Resolution: 1 </span><span style=\"font-weight: 400;\">µg/m³</span>\n</li>\n<li><span style=\"font-weight: 400;\">Accuracy: ±15 µg/m³ or 15% (whichever is greater)</span></li>\n</ul>\n<p><span style=\"font-weight: 400;\">As you assess and plan for making your home healthier and safer with better IAQ, Awair is here to help you in the process. Talk to our customer success team today about our state-of-the-art sensing technology and how we can serve your monitoring needs.</span></p>\n<p> </p>\n<hr>\n<h2>Related Articles</h2>\n<ul>\n<li><a href=\"https://blog.getawair.com/everything-you-need-to-know-about-fine-dust-pm2-5\" target=\"_self\">Everything You Need to Know About Fine Dust (PM2.5)</a></li>\n<li><a href=\"https://blog.getawair.com/pm2-5-and-your-health\" target=\"_self\">Understanding PM2.5 and Your Health</a></li>\n</ul>"}}