{"title":"Gravity: I2C SCD41 Infrared CO2 Sensor (400 - 5000 ppm)","handle":"gravity-i2c-scd41-infrared-co2-sensor-400-5000-ppm","url":"/products/gravity-i2c-scd41-infrared-co2-sensor-400-5000-ppm","description":"The Gravity SCD41 Infrared CO2 Sensor provides accurate carbon dioxide, temperature, and humidity measurements in a single compact module. Based on Sensirion's SCD41 sensor, it uses photoacoustic NDIR (non-dispersive infrared) sensing with patented PASens and CMOSens technology for high accuracy in a remarkably small form factor.\n\nCO2 is a key indicator of indoor air quality — elevated levels can compromise cognitive performance and well-being. This sensor detects CO2 concentration by measuring infrared light absorption, with on-chip signal compensation from the built-in temperature and humidity sensor for reliable readings.\n\nKey Features\n\n\nThree-in-One Sensing – Measures CO2, temperature, and humidity from a single module\n\nPhotoacoustic NDIR Technology – High accuracy with ultra-low power consumption\n\nI2C Interface – Gravity connector for easy integration with Arduino, Raspberry Pi, and other microcontrollers\n\nLow Power – Average current under 4 mA, suitable for battery-powered applications\n\nCompact Design – Just 32 × 27 × 8 mm PCB dimensions\n\nLong Lifespan – Over 10 years of reliable operation\n\n\nCO2 Specifications\n\n\nMeasurement Range – 400–5000 ppm\n\nAccuracy – ±(40 ppm + 5% of measured value)\n\nResponse Time – 60 s\n\n\nTemperature Specifications\n\n\nMeasurement Range – −10 to 60 °C\n\nAccuracy – ±0.8 °C\n\nResponse Time – 120 s\n\n\nHumidity Specifications\n\n\nMeasurement Range – 0–95% RH\n\nAccuracy – ±6% RH\n\nResponse Time – 120 s\n\n\nGeneral Specifications\n\n\nPower Supply – 3.3 V to 5 V\n\nAverage Current – <4 mA\n\nI2C Address – 0x62\n\nOperating Temperature – −10 to 60 °C\n\nOperating Humidity – 0–95% RH (no condensation)\n\nPCB Dimensions – 32 × 27 × 8 mm\n\n\nIdeal For\n\nIndoor air quality monitoring\nGreenhouse environmental monitoring\nSmart ventilation and HVAC systems\nIoT environmental sensing projects\n\n\nPackage Contents\n\n1× Gravity SCD41 Infrared CO2 Sensor\n1× Gravity 4-Pin I2C/UART Sensor Cable\n\n\nResources\n\nProduct Wiki\nSchematics (PDF)\nDimensions (PDF)\nDesign-in Guide (PDF)\n","vendor":"DFRobot","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":1706,"title":"Default Title","sku":"DF-SEN0536","price":100.53,"on_sale":false,"in_stock":true,"available_quantity":329,"option1":"Default Title"}]}