{"product_id":"gravity-ph3-phosphine-gas-sensor-calibrated-i2c-uart-0-1000ppm","title":"Gravity: PH3 Phosphine Gas Sensor (Calibrated, I2C \u0026 UART, 0-1000ppm)","description":"\u003ch2\u003eIntroduction\u003c\/h2\u003e\n\u003cp\u003eGravity: PH3 Sensor (Calibrated) – I2C \u0026amp; UART provides reliable measurement of phosphine (PH3) concentration for safety monitoring and environmental analysis. This electrochemical phosphine detection module arrives factory‑calibrated, enabling rapid deployment for industrial gas monitoring without complex setup. Multiple communication options—analog voltage, I2C, and UART—allow seamless integration into embedded systems and environmental monitoring platforms. Designed for compatibility with popular controllers such as Arduino, ESP32, and Raspberry Pi, this Gravity-series gas sensing board simplifies the creation of compact phosphine concentration detectors across industrial, research, and monitoring applications.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eElectrochemical Detection with High Sensitivity\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAn electrochemical sensing probe enables accurate detection of phosphine concentrations across demanding environments. This gas monitoring module features strong anti‑interference capability and stable signal output, ensuring reliable readings even in electrically noisy industrial environments. High sensitivity allows detection across a broad concentration range, supporting early warning and continuous monitoring applications. Long operational lifespan—exceeding two years under normal atmospheric conditions—reduces maintenance frequency and improves long‑term deployment reliability for industrial safety systems and environmental monitoring installations.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMultiple Output Interfaces for Flexible Integration\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis phosphine detection sensor supports analog voltage output alongside digital I2C and UART communication, enabling flexible integration into a wide variety of embedded platforms. Up to 32 configurable I2C addresses allow multiple gas sensing modules to operate on a single bus for multi‑gas monitoring systems. An integrated temperature compensation algorithm improves measurement stability under varying environmental conditions, while a programmable threshold alarm function supports automated safety responses and real‑time hazard detection in monitoring systems.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePart of a Modular Multi‑Gas Detection Series\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis Gravity‑series gas sensing platform belongs to a family of 12 calibrated electrochemical gas detectors with identical communication methods and data formats. Available variants include CO, O2, NH3, H2S, NO2, HCL, H2, PH3, SO2, O3, CL2, and HF. Shared interfaces and protocols enable flexible multi‑gas monitoring systems by combining different sensors according to application requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis industrial phosphine sensing module supports gas monitoring systems used in mining safety, industrial process control, and environmental protection equipment. Reliable detection capability combined with the plug‑and‑play Gravity interface allows engineers and system integrators to quickly develop phosphine concentration monitoring devices for hazardous gas environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h2\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\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial phosphine detection\u003c\/li\u003e\n\u003cli\u003eMining phosphine detection\u003c\/li\u003e\n\u003cli\u003eEnvironmental protection device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Gas: Phosphine (PH3)\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\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/sen0476\/\" target=\"_blank\"\u003eProduct Wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":67691417010253,"sku":"E34002-005","price":419.96,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0641\/5437\/files\/E34002-win1.jpg?v=1762844224","url":"https:\/\/www.mlab.com.au\/products\/gravity-ph3-phosphine-gas-sensor-calibrated-i2c-uart-0-1000ppm","provider":"MLAB","version":"1.0","type":"link"}