SCD40 SCD41 High Precision Gas Sensor Module 2 in 1 CO2 Temperature and Humidity Detection Sensor I2C Communication 4PIN

SCD40 SCD41 High Precision Gas Sensor Module 2 in 1 CO2 Temperature and Humidity Detection Sensor I2C Communication 4PINSCD41:CO2 Measurement Accuracy: ± (40ppm+5%MV)Measurement range: 400-5000 ppm (low power)Accuracy: ±40 ppmRelative Humidity Measurement Range: 0-95%RHTypical RH accuracy: 6%RHSCD40:CO2 Measurement Accuracy: ± (50ppm+5%MV)Measurement range: 400-2000 ppm (low power)Accuracy: ±50 ppmRelative humidity measurement range: 0-95%RHTypical RH Accuracy: 6%RHProduct Description:Carbon dioxide is a key indicator of indoor air quality impairing human cognitive ability and well-being, SCD40/SCD41 is Sensirion's next generation of miniature carbon dioxide sensors, the SCD40/SCD41 boasts high accuracy and cost-effective performance, the module leads the power supply and communication pins out with a 2.54mm pitch row of pins interface. The on-chip temperature and humidity compensation is realized by the built-in temperature and humidity sensor for humidity and temperature measurement. SCD40/SCD41 can realize intelligent adjustment of indoor ventilation system according to the carbon dioxide concentration, and the indoor air quality can help to maintain a healthy and efficient environment with low carbon dioxide concentration over a period of time.Characteristics:1. Reference accuracy, specified range,SCD40:400-2000 ppm SD41:400-5000 ppm2. Supply voltage range: 2.4-5.5 V3. High accuracy: ± (40 ppm + 5%)4. Digital I2C interface5. Integrated temperature and humidity sensors6. Low power operation to Interface Definitions:1.GND: Power negative input port2.VDD: Power supply positive input port3.SCL: I2C clock port4.SDA: I2C data port