{"id":8905,"date":"2024-02-21T21:52:35","date_gmt":"2024-02-21T21:52:35","guid":{"rendered":"https:\/\/chevrierinstruments.com\/produit\/indoor-air-quality-meter-desktop-wall-mount\/"},"modified":"2026-05-31T21:10:30","modified_gmt":"2026-05-31T21:10:30","slug":"indoor-air-quality-meter-desktop-wall-mount","status":"publish","type":"product","link":"https:\/\/chevrierinstruments.com\/en\/produit\/indoor-air-quality-meter-desktop-wall-mount\/","title":{"rendered":"Indoor Air Quality Meter, Desktop\/Wall Mount"},"content":{"rendered":"<p>This indoor air quality meter measures and records carbon dioxide (CO<sub>2<\/sub>), temperature, and humidity. The R9920 features a high-resolution color TFT touchscreen display, user-selectable recording times, programmable alarm set points, a built-in desk stand, and a wall mounting bracket. Quickly generate an Excel file with raw data and export recorded data to a computer without the use of the software.<\/p>\n<h3><strong>Features<\/strong><\/h3>\n<ul>\n<li>Simultaneously monitors carbon dioxide (CO<sub>2<\/sub>), temperature and relative humidity<\/li>\n<li>Low-drift NDIR CO<sub>2<\/sub>\u00a0sensor for stable and accurate readings<\/li>\n<li>User selectable unit of measure (\u00b0C or \u00b0F)<\/li>\n<li>7\" (178mm) high-resolution color TFT LCD (1024 x 600 pixels)<\/li>\n<li>User adjustable high and low alarms<\/li>\n<li>Max\/min display<\/li>\n<li>Internal 16GB memory stores data points in CSV format<\/li>\n<li>User selectable sampling rate from 1 second to 24 hours<\/li>\n<li>Internal time and date stamp<\/li>\n<li>Rechargeable li-ion battery<\/li>\n<li>Built-in desk stand and wall mounting bracket<\/li>\n<li>Low battery indicator<\/li>\n<\/ul>\n<h4>What's included with the REED R9920<\/h4>\n<ul>\n<li>Indoor Air Quality Meter<\/li>\n<li>USB Cable<\/li>\n<li>Power Adapter<\/li>\n<li>Wall Mounting Bracket<\/li>\n<\/ul>\n<table class=\"table table-striped\" style=\"border-style: solid; border-color: #000000;\" border=\"1\">\n<tbody>\n<tr>\n<td colspan=\"2\"><strong>Temperature<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Measuring Range<\/td>\n<td>32 to 122\u00b0F (0 to 50\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>Accuracy<\/td>\n<td>\u00b11.8\u00b0F (1\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td>0.1\u00b0F\/\u00b0C<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Humidity<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Measuring Range<\/td>\n<td>0 to 100% RH<\/td>\n<\/tr>\n<tr>\n<td>Accuracy<\/td>\n<td>\u00b13.5% (20 to 80% RH)<br \/>\n\u00b15% (&lt;20% and &gt;80% RH)<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td>0.1% RH<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>CO<sub>2<\/sub>\u00a0(Carbon Dioxide)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Sensor Type<\/td>\n<td>Nondispersive Infrared (NDIR)<\/td>\n<\/tr>\n<tr>\n<td>Measuring Range<\/td>\n<td>0 to 9999ppm<\/td>\n<\/tr>\n<tr>\n<td>Accuracy<\/td>\n<td>\u00b15% rdg +75ppm<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td>1ppm<\/td>\n<\/tr>\n<tr>\n<td>Response Time<\/td>\n<td>&lt;2 seconds<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>General Specifications<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Display<\/td>\n<td>7\" (178mm) high-resolution color TFT<\/td>\n<\/tr>\n<tr>\n<td>Display Resolution<\/td>\n<td>1024 x 600 pixels<\/td>\n<\/tr>\n<tr>\n<td>Adjustable Brightness<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Min<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Max<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Data Logging Capabilities<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Real-Time Clock and Date Stamp<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Selectable Sampling Rate<\/td>\n<td>Yes (between 1 second and 24 hours)<\/td>\n<\/tr>\n<tr>\n<td>Internal Memory<\/td>\n<td>Yes (16GB)<\/td>\n<\/tr>\n<tr>\n<td>Alarms<\/td>\n<td>Yes (Low and High)<\/td>\n<\/tr>\n<tr>\n<td>Kick Stand<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Wall Mountable<\/td>\n<td>Yes (bracket included)<\/td>\n<\/tr>\n<tr>\n<td>Low Battery Indicator<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Power Supply<\/td>\n<td>3000mAh rechargeable Li-ion battery\/power adapter<\/td>\n<\/tr>\n<tr>\n<td>Battery Life<\/td>\n<td>~2 hours<\/td>\n<\/tr>\n<tr>\n<td>Charge Time<\/td>\n<td>~9 hours<\/td>\n<\/tr>\n<tr>\n<td>PC Connectivity<\/td>\n<td>USB Cable (Type-C)<\/td>\n<\/tr>\n<tr>\n<td>USB Cable Length<\/td>\n<td>10' (3m)<\/td>\n<\/tr>\n<tr>\n<td>Product Certifications<\/td>\n<td>CE<\/td>\n<\/tr>\n<tr>\n<td>Operating Temperature<\/td>\n<td>14 to 104\u00b0F (10 to 40\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>Storage Temperature<\/td>\n<td>14 to 104\u00b0F (10 to 40\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>Operating Humidity Range<\/td>\n<td>0 to 100%<\/td>\n<\/tr>\n<tr>\n<td>Maximum Operating Altitude<\/td>\n<td>6561' (2000m)<\/td>\n<\/tr>\n<tr>\n<td>Dimensions<\/td>\n<td>7.8 x 4.6 x 1\" (198 x 118 x 25.7mm)<\/td>\n<\/tr>\n<tr>\n<td>Weight<\/td>\n<td>12.9oz (365g)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<h2>R9920<\/h2>\n<p>Real-time data logger measures carbon dioxide (CO<sub>2<\/sub>), temperature and humidity on a high-resolution 7\" color TFT LCD touchscreen display.<\/p>\n","protected":false},"featured_media":8403,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1260,1258,1730,2279,436,705,338,465,56],"product_tag":[475],"class_list":{"0":"post-8905","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-co2-en","7":"product_cat-gas","8":"product_cat-indoor-air-quality-en","9":"product_cat-portables-en-2","10":"product_cat-gas-and-combustion-analysers","11":"product_cat-air-velocity-test-instruments","12":"product_cat-indoor-air-quality","13":"product_cat-humidity","14":"product_cat-temperature-en","15":"product_tag-indoor","17":"first","18":"instock","19":"shipping-taxable","20":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Indoor Air Quality Meter, Desktop\/Wall Mount - Chevrier Instruments inc.<\/title>\n<meta name=\"robots\" content=\"index, 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