{"product_id":"mh-z19-mh-z19c-mh-z19b-mh-z19e-ir-infrared-co2-sensor-module-carbon-dioxide-gas-sensors-ndir-co2-monitor-400-5000-0-5000ppm-uart-3","title":"MH-Z19 MH-Z19C MH-Z19B MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensors NDIR CO2 Monitor 400-5000 0-5000ppm UART","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 36pt; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-family: 'times new roman', times, serif;\" data-spm-anchor-id=\"a2g0o.detail.1000023.i0.36efNhAuNhAutN\"\u003eCarbon dioxide gold shell (non-MH-Z19)400-5000PPM\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S80757629c8634a1b8ddc6aef69f9a92eN.png\" alt=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 36pt; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-family: 'times new roman', times, serif;\" data-spm-anchor-id=\"a2g0o.detail.1000023.i0.36efNhAuNhAutN\"\u003e\u003cspan style=\"font-family: times new roman, times, serif;\"\u003e\u003cspan style=\"font-size: 48px;\"\u003eCarbon dioxide white shell (non-MH-Z19) 400-5000PPM\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4f83144439934d08855f6ae6760c6c25N.png\" alt=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\" data-spm-anchor-id=\"a2g0o.detail.1000023.i0.36efNhAuNhAutN\"\u003eThe MH-Z19C carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose intelligent small sensor that uses the principle of non-dispersive infrared (NDIR) to detect the presence of C02 in the air. And other features; built-in temperature compensation: simultaneously has serial output, PWM output, easy to use. The sensor is a high-performance sensor made by closely combining mature infrared absorption gas detection technology with sophisticated optical circuit design and sophisticated circuit design.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eProduct parameters:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eDetection gas: carbon dioxide\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003ePower supply voltage: DC (5.0 ± 0.1) V\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eAverage current: \u0026lt;40mA (@5V power supply)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003ePeak current: 125 to (@5V power supply)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eInterface level: 3. 3v (compatible with 5v)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eMeasuring range: 400-5000PPM optional\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eOutput signal: serial UART (TL level 3.3V)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eWarm-up time: 1min\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eResponse time: T90\u0026lt; 120s\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eWorking temperature: -10-50degree\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eWorking humidity: 0~95%RH (no condensation)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003ePin description:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eVin: Power +(in)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eGND: power supply-(GND)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003ePWM: PWM\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eHd: HD (zero calibration, low level is effective for more than 7 seconds)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eRx: UART (RXD) TTL level data input\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eTx: UART (TXD) TTL level data output\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eOutput method:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; color: #c00000; font-size: inherit; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003ePWM output\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eAssume the measurement range is 400-2000ppm\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eCO2: Concentration output range: 400-2000ppm\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003ePeriod: 1004ms±5%\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eHigh level output at the beginning of the cycle: 2ms (theoretical value)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eCentral period: 1000ms±5%\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eLow level output at the end of the period: 2ms (theoretical value)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eCalculation formula for obtaining current CO2 concentration value by PWM: Cppm=2000X (TH-2ms)\/(TH+TL-4ms)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eCppm: CO2 concentration value calculated by the unit of ppm\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eTH: the time when the output is high level in one output cycle\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eTL: the time when the output is low in one output cycle\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; text-align: center; background-color: #ffffff; border: 0px;\" align=\"center\"\u003e\u003cimg style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; border: none; margin: 0px; padding: 0px; font-family: inherit; font-size: 0px; font-weight: inherit; line-height: inherit; color: transparent;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S00d776a10e10458b83ba3e72768f1f6eM.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; color: #c00000; font-size: inherit; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eSerial output (UART)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003eHardware connection, connect the sensor's Vin-GND-RXD-TXD to the user's 5V-GND-TXD-RXD. (User terminal must use TTL level)\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; text-align: center; background-color: #ffffff; border: 0px;\" align=\"center\"\u003e\u003cimg style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; border: none; margin: 0px; padding: 0px; font-family: inherit; font-size: 0px; font-weight: inherit; line-height: inherit; color: transparent;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se3fa572ea4494032b25159429cab9c690.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003ePrecautions:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e1. In the process of welding, installation and use of the sensor, the gold-plated plastic cavity should be prevented from withstanding pressure in any direction.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e2. If the sensor needs to be placed in a small space, this space should be well ventilated, especially the two diffusion windows should be in a well ventilated position.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e3. The sensor should be far away from the heat source, and avoid direct sunlight or other heat radiation.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e4. The sensor should be calibrated regularly, and the calibration period is recommended to be no more than 6 months.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e5. Do not use the sensor for a long time in the environment with high dust density.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e6. In order to ensure that the sensor can work normally, the power supply voltage must be maintained at (5.0 ± 0.1) VDC. The power supply current must not be less than 150mA\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e7. If it is not within this range, the sensor may be faulty, the output concentration of the sensor is low or the sensor cannot work normally.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e8. When manually calibrating the zero point or sending the command to calibrate the main points, it must be stable\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e9. Work continuously for more than 20 minutes in a gas environment (400ppm).\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e10. The sensor is prohibited to use wave peak depth.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e11. When welding with iron, set the temperature to (350±5) degree, early\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e12. The pick-up time must be less than 35.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e13. When using the sensor, it is recommended that the customer use the method of inserting the solder bump to directly insert and remove the sensor for toilet maintenance.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"box-sizing: content-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; font-family: 'open sans', sans-serif; line-height: inherit; background-color: #ffffff; border: 0px;\" align=\"start\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 20px; font-family: inherit;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: inherit; font-family: 'times new roman', times, serif;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scf57b1b0783a49bf95e597bde37b3da6G.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6ce2da658da44be480eb097cee0a072bX.png\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"CO2 Sensor Module","offer_id":55441272471851,"sku":"14:350852#CO2 Sensor Module","price":42.84,"currency_code":"USD","in_stock":false},{"title":"MH-Z19C","offer_id":55441272504619,"sku":"14:4044226#MH-Z19C","price":96.08,"currency_code":"USD","in_stock":false},{"title":"CO2 Sensor Module 1","offer_id":55441272537387,"sku":"14:351074#CO2 Sensor Module","price":54.32,"currency_code":"USD","in_stock":false},{"title":"MH-Z19C 1","offer_id":55441272570155,"sku":"14:201659813#MH-Z19C","price":96.08,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S5b66deda95154dc48c038927008bfb26B.webp?v=1788751149","url":"https:\/\/yoeruyo.com\/products\/mh-z19-mh-z19c-mh-z19b-mh-z19e-ir-infrared-co2-sensor-module-carbon-dioxide-gas-sensors-ndir-co2-monitor-400-5000-0-5000ppm-uart-3","provider":"Yoeruyo","version":"1.0","type":"link"}