{"product_id":"wall-mount-carbon-dioxide-monitor-with-temperature-and-rh","title":"Wall Mount Carbon Dioxide Monitor with Temperature and RH","description":"\u003ch1\u003eThis CO₂ Monitor provides real-time measurement of carbon dioxide, temperature and relative humidity, featuring a three-color backlight LCD to indicate CO₂ levels at a glance.\u003c\/h1\u003e\n\u003cp data-end=\"608\" data-start=\"103\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cb\u003eNote: All Tongdy monitors and controls ship direct from the factory. Please allow 10-15 business days for shipping and handling.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIt can optionally display 24-hour averages and maximum CO₂ values for more comprehensive tracking. A buzzer alarm can be enabled, disabled, or silenced once triggered for flexible alerting. The device offers optional on\/off output to control a ventilator and an RS485 Modbus interface for system integration. It supports multiple power options, including 24VAC\/VDC, 100–240VAC or USB\/DC adapter, and is designed for wall-mounting (desktop version also available).\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"161\" data-start=\"86\"\u003e\n\u003cp data-end=\"161\" data-start=\"88\"\u003e\u003cstrong data-end=\"116\" data-start=\"88\"\u003eReal-time CO₂ monitoring\u003c\/strong\u003e for accurate indoor air quality management\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"250\" data-start=\"162\"\u003e\n\u003cp data-end=\"250\" data-start=\"164\"\u003e\u003cstrong data-end=\"192\" data-start=\"164\"\u003eNDIR infrared CO₂ sensor\u003c\/strong\u003e with self-calibration for precise and reliable readings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"305\" data-start=\"251\"\u003e\n\u003cp data-end=\"305\" data-start=\"253\"\u003e\u003cstrong data-end=\"276\" data-start=\"253\"\u003eLong-lasting sensor\u003c\/strong\u003e with over 10-year lifespan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"361\" data-start=\"306\"\u003e\n\u003cp data-end=\"361\" data-start=\"308\"\u003e\u003cstrong\u003eMonitors temperature and humidity\u003c\/strong\u003e alongside CO₂\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"455\" data-start=\"362\"\u003e\n\u003cp data-end=\"455\" data-start=\"364\"\u003e\u003cstrong data-end=\"393\" data-start=\"364\"\u003eThree-color LCD backlight\u003c\/strong\u003e (Green\/Yellow\/Red) indicates ventilation levels at a glance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"513\" data-start=\"456\"\u003e\n\u003cp data-end=\"513\" data-start=\"458\"\u003e\u003cstrong data-end=\"474\" data-start=\"458\"\u003eBuzzer alarm\u003c\/strong\u003e can be enabled or disabled as needed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"570\" data-start=\"514\"\u003e\n\u003cp data-end=\"570\" data-start=\"516\"\u003e\u003cstrong\u003eOptional 24-hour average and maximum CO₂ display\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"631\" data-start=\"571\"\u003e\n\u003cp data-end=\"631\" data-start=\"573\"\u003e\u003cstrong data-end=\"598\" data-start=\"573\"\u003eOptional relay output\u003c\/strong\u003e to control ventilation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"698\" data-start=\"632\"\u003e\n\u003cp data-end=\"698\" data-start=\"634\"\u003e\u003cstrong data-end=\"673\" data-start=\"643\"\u003eModbus RS485 communication\u003c\/strong\u003e for system integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"750\" data-start=\"699\"\u003e\n\u003cp data-end=\"750\" data-start=\"701\"\u003e\u003cstrong data-end=\"727\" data-start=\"701\"\u003eTouch-button interface\u003c\/strong\u003e for simple operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"815\" data-start=\"751\"\u003e\n\u003cp data-end=\"815\" data-start=\"753\"\u003e\u003cstrong\u003eMultiple power options\u003c\/strong\u003e: 24VAC\/VDC, 100–240VAC, or USB 5V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"815\" data-start=\"751\"\u003e\n\u003cp data-end=\"815\" data-start=\"753\"\u003e\u003cstrong\u003eDesktop version also available\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003cbr\u003e\u003c\/strong\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSchools, offices, hotels, meeting rooms\u003c\/li\u003e\n\u003cli\u003eShops, restaurants, hospitals, theaters\u003c\/li\u003e\n\u003cli\u003eAir ports, train stations, other public places\u003c\/li\u003e\n\u003cli\u003eApartments, houses\u003c\/li\u003e\n\u003cli\u003eAll ventilation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cdiv class=\"fl-row fl-row-full-width fl-row-bg-none fl-node-619f313bc33f3\" data-node=\"619f313bc33f3\"\u003e\n\u003cdiv class=\"fl-row-content-wrap\"\u003e\n\u003cdiv class=\"fl-row-content fl-row-full-width fl-node-content\"\u003e\n\u003cdiv class=\"fl-col-group fl-node-619f313bc3751\" data-node=\"619f313bc3751\"\u003e\n\u003cdiv class=\"fl-col fl-node-619f313bc378f fl-col-has-cols\" data-node=\"619f313bc378f\"\u003e\n\u003cdiv class=\"fl-col-content fl-node-content\"\u003e\n\u003cdiv class=\"fl-module fl-module-rich-text fl-node-6361e35267907\" data-node=\"6361e35267907\" data-animation-delay=\"0.0\"\u003e\n\u003cdiv class=\"fl-module-content fl-node-content\"\u003e\n\u003cdiv class=\"fl-rich-text\"\u003e\n\u003cdiv class=\"table_wrap\"\u003e\n\u003ctable border=\"1\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003ePower supply\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e100~240VAC or 24VAC\/VDC wire connecting USB 5V (\u0026gt;1A for USB adaptor) 24V with an adaptor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eConsumption\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e3.5 W max. ; 2.5 W avg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eGas detected\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003eCarbon Dioxide (CO2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eSensing element\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003eNon-Dispersive Infrared Detector (NDIR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eAccuracy@25℃(77℉)\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e±50ppm + 3% of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eStability\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e\u0026lt;2% of FS over life of sensor (15 yr typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eCalibration interval\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003eABC Logic Self Calibration Algorithm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eCO2 sensor life\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e15 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eResponse Time\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e\u0026lt;2 minutes for 90% step change\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eSignal update\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003eEvery 2 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eWarm up time\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e\u0026lt;3 minutes (operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eCO2 measuring range\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e0～5,000ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eCO2 Display resolution\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e1ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003e3-color backlight for CO2 range\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003eGreen : \u0026lt;1000ppm Yellow: 1001~1400ppm Red: \u0026gt;1400ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eLCD Display\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003eReal time CO2, Temp \u0026amp;RH Extra 24h average\/max\/min CO2 (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eTemperature measuring range\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e-20～60℃(-4～140℉)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eHumidity measuring range\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e0～99%RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eRelay output (optional)\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003eOne relay output with rated switching current: 3A, resistance load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eOperation conditions\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e-20~60℃(32~122℉); 0~95%RH, non condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eStorage conditions\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e0~50℃(14~140℉), 5~70%RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eDimensions\/ Weight\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003e130mm(H)×85mm(W)×36.5mm(D) \/ 200g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eHousing and IP class\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003ePC\/ABS fireproof plastic material, protection class: IP30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eInstallation\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003eWall mounting (65mm×65mm or 2”×4”wire box) \u003cbr\u003eDesktop version also available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"center\" width=\"30.0800%\"\u003eStandard\u003c\/td\u003e\n\u003ctd valign=\"center\" width=\"69.9200%\"\u003eCE-Approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eDownloads\u003c\/h4\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/850001E-i.pdf?v=1651255080\" target=\"_blank\"\u003e \u003c\/a\u003e\u003ca rel=\"noopener\" title=\"Wall Mount CO2 Monitor with Temp \/ RH Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/G01-CO2-B3_Monitor_datasheet-2402.pdf\" target=\"_blank\"\u003e\u003cimg alt=\"PDF\" style=\"float: left;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png?v=1598991821\"\u003e \u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/850001E-i.pdf?v=1651255080\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"Wall Mount CO2 Monitor with Temp \/ RH\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/G01-CO2-B3_Monitor_datasheet-2402.pdf\" target=\"_blank\"\u003eWall Mount CO2 Monitor with Temp \/ RH Datasheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Tongdy","offers":[{"title":"Default Title","offer_id":51823698575544,"sku":"G01-CO2-B30C-301-02","price":414.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/3735\/0584\/files\/TD-G01-CO2-B30C-301-02_1.jpg?v=1758921350","url":"https:\/\/sperscientific.com\/products\/wall-mount-carbon-dioxide-monitor-with-temperature-and-rh","provider":"Sper Scientific Instruments","version":"1.0","type":"link"}