{"product_id":"gravity-o2-h2s-nh3-no2-o3-h2-hcl-hf-ph3-sensor-calibrated-i2c-uart","title":"Gravity: O2 H2S NH3 NO2 O3 H2 HCL HF PH3 Sensor (Calibrated) - I2C \u0026 UART","description":"\u003ch2\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is a sensor that detects ammonia concentration and supports three output modes: analog, I2C, and UART.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eThe probe has been calibrated at the factory, which can quickly and accurately measure the concentration of ammonia in the environment.\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eCan be widely used in the detection of ammonia in industrial and environmental protection fields.\u003c\/p\u003e\n\u003cp\u003eThe probe adopts the electrochemical principle, has the characteristics of strong anti-interference ability, high stability, high sensitivity, etc., and the service life is as long as two years. The sensor has 32 modifiable I2C addresses, an integrated temperature compensation algorithm, and a threshold alarm function, It has good compatibility with mainstream main control devices such as\u003cspan\u003e \u003c\/span\u003eArduino,\u003cspan\u003e \u003c\/span\u003eESP32, and\u003cspan\u003e \u003c\/span\u003eRaspberry Pi. The easy-to-use Gravity interface, coupled with our sample code, can quickly build an ammonia concentration detector.\u003c\/p\u003e\n\u003cp\u003eDFRobot has introduced 12 gas detection sensors in this series,\u003cspan\u003e \u003c\/span\u003eCO,\u003cspan\u003e \u003c\/span\u003eO2,\u003cspan\u003e \u003c\/span\u003eNH3,\u003cspan\u003e \u003c\/span\u003eH2S,\u003cspan\u003e \u003c\/span\u003eNO2,\u003cspan\u003e \u003c\/span\u003eHCL,\u003cspan\u003e \u003c\/span\u003eH2,\u003cspan\u003e \u003c\/span\u003ePH3,\u003cspan\u003e \u003c\/span\u003eSO2,\u003cspan\u003e \u003c\/span\u003eO3,\u003cspan\u003e \u003c\/span\u003eCL2,\u003cspan\u003e \u003c\/span\u003eHF, which are used in exactly the same way and data format, so you can combine them according to your needs.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eStrong anti-interference ability\u003c\/li\u003e\n\u003cli\u003eHigh stability\u003c\/li\u003e\n\u003cli\u003eHigh sensitivity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Features\" id=\"Features\"\u003e\n\u003ch2\u003e\u003cstrong\u003eDocuments:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/SKU_SEN0465toSEN0476_Gravity_Gas_Sensor_Calibrated_I2C_UART\" target=\"_blank\"\u003eProduct wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\n\u003cstrong\u003eGRAVITY: HF Sensor\u003c\/strong\u003e \u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial hydrogen fluoride detection\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: Hydrogen fluoride (HF)\u003c\/li\u003e\n\u003cli\u003eDetection range: 0~10ppm\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: HF Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eHF sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: HCL Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv id=\"Applications\" class=\"content Applications\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"Documents\" class=\"content Documents\"\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial hydrogen chloride detection\u003c\/li\u003e\n\u003cli\u003eUndergorund hydrogen chloride detection\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: Hydrogen chloride (HCL)\u003c\/li\u003e\n\u003cli\u003eDetection range: 0~10ppm\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: HCL Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eHCL sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"Shipping-List\" class=\"content ShippingList\"\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: PH3 Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial \u003cspan\u003ephosphine detection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMining phosphine detection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: \u003cspan\u003ePhosphine (PH3)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetection range: 0~1000ppm\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: PH3 Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003ePH3 sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: NO2 Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial \u003cspan\u003enitrogen dioxide detection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnderground nitrogen dioxide detection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: \u003cspan\u003eNitrogen Dioxide(NO2)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetection range: 0~20ppm\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: NO2 Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eNO2 sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: NH3 Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial \u003cspan\u003eammonia detection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: \u003cspan\u003eAmmonia (NH3)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetection range: 0~100ppm\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: NH3 Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eNH3 sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: H2 Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial \u003cspan\u003ehydrogen detection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: \u003cspan\u003eHydrogen (H2)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetection range: 0~1000ppm\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: H2 Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eH2 sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: O3 Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial\u003cspan\u003e ozone detection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: \u003cspan\u003eozone (O3)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetection range: 0~10ppm\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: O3 Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eO3 sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: O2 Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eAir quality monitoring device\u003c\/li\u003e\n\u003cli\u003eMining air detection\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection\u003c\/li\u003e\n\u003cli\u003eSmart Farming\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: \u003cspan\u003eOxygen (O2)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetection range: \u003cspan\u003e0~25%Vol\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: Oxygen \/ O2 Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eOxygen \/ O2 sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: H2S Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eUnderground hydrogen sulfide detection\u003c\/li\u003e\n\u003cli\u003eIndustrial hydrogen sulfide detection\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: \u003cspan\u003eHydrogen sulfide (H2S)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetection range: \u003cspan\u003e0~100ppm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: H2S Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eH2S sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: CL2 Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eChemical chlorine detection\u003c\/li\u003e\n\u003cli\u003epharmaceutical production chlorine detection\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: \u003cspan\u003eChlorine (CL2)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetection range: \u003cspan\u003e0~20ppm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: Chlorine Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eChlorine sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch1\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h1\u003e\n\u003ch1\u003e\u003cstrong\u003eGRAVITY: CO Sensor \u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003ePetrochemical carbon monoxide detection\u003c\/li\u003e\n\u003cli\u003eMetallurgy carbon monoxide detection\u003c\/li\u003e\n\u003cli\u003eMining carbon monoxide detection\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: \u003cspan\u003eCarbon Monoxide (CO)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDetection range: \u003cspan\u003e0~1000ppm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorking Voltage: 3.3～5.5V DC\u003c\/li\u003e\n\u003cli\u003eWorking Current: ＜5mA\u003c\/li\u003e\n\u003cli\u003eOutput Signal: I2C, UART (0~3V), analog voltage\u003c\/li\u003e\n\u003cli\u003eWorking Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eWorking Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20～50℃\u003c\/li\u003e\n\u003cli\u003eStorage Humidity: 15～90%RH (non-condensing)\u003c\/li\u003e\n\u003cli\u003eLifespan: \u0026gt;2 years (in the air)\u003c\/li\u003e\n\u003cli\u003eAdapter Plate Size: 37*32mm\u003c\/li\u003e\n\u003cli\u003eCompatibility: Arduino, ESP32, Raspberry pi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content ShippingList\" id=\"Shipping-List\"\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: CO Signal Conversion Board x1\u003c\/li\u003e\n\u003cli\u003eCO sensor probe x1\u003c\/li\u003e\n\u003cli\u003eGravity - 4pin Cable x1\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"HF","offer_id":42823192281279,"sku":"MLE03655","price":15300.0,"currency_code":"PHP","in_stock":true},{"title":"HCL","offer_id":42823192314047,"sku":"MLE03654","price":10250.0,"currency_code":"PHP","in_stock":true},{"title":"PH3","offer_id":42823192346815,"sku":"MLE03656","price":15300.0,"currency_code":"PHP","in_stock":true},{"title":"NO2","offer_id":42823192379583,"sku":"MLE03651","price":9699.0,"currency_code":"PHP","in_stock":false},{"title":"NH3","offer_id":42823192412351,"sku":"MLE03650","price":8150.0,"currency_code":"PHP","in_stock":true},{"title":"H2","offer_id":42823192445119,"sku":"MLE03653","price":10250.0,"currency_code":"PHP","in_stock":true},{"title":"O3","offer_id":42823192477887,"sku":"MLE03652","price":9100.0,"currency_code":"PHP","in_stock":true},{"title":"O2","offer_id":42823192510655,"sku":"MLE03647","price":5390.0,"currency_code":"PHP","in_stock":false},{"title":"H2S","offer_id":42823192543423,"sku":"MLE03648","price":5329.0,"currency_code":"PHP","in_stock":false},{"title":"CL2","offer_id":42823192576191,"sku":"MLE03649","price":8150.0,"currency_code":"PHP","in_stock":true},{"title":"CO","offer_id":42823192608959,"sku":"MLE03646","price":4199.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0531\/3419\/6927\/files\/MLE03646_f0d26f5f-cfc0-46de-b317-d5629ce19906.jpg?v=1749432475","url":"https:\/\/makerlab.ph\/products\/gravity-o2-h2s-nh3-no2-o3-h2-hcl-hf-ph3-sensor-calibrated-i2c-uart","provider":"Makerlab PH","version":"1.0","type":"link"}