The STC31 thermal conductivity sensor by Sensirion offers high reliability and long-term stability for gas concentration measurement applications. Utilizing CMOSens® technology, it provides calibrated CO2 and gas mixture detection with high accuracy, repeatability, and temperature compensation. Designed for high-volume OEM use, this sensor features an I2C digital interface, low power consumption, and precise measurement ranges from 0 to 25 vol% CO2 and up to 100 vol% in different gases. The compact package and easy integration make it suitable for environmental monitoring, industrial safety, and air quality systems.
Measurement range: 0-25 vol% CO2, 0-100 vol% in gases
Accuracy: 0.5 vol% + 3% of measured value
Repeatability: 0.2 vol%
Temperature range: -20°C to 85°C
Temperature accuracy: 1.5°C (-20°C to 85°C), 0.5°C (10°C to 50°C)
Resolution: 16 bit
Power supply: 3.3V to 5.5V, typical 3-5 mA
Operating pressure: 600–1200 mbar
Dimensions: Small CMOSens package, precise land pattern recommended
Interface: I2C with selectable addresses (0x29 default), supports standard, fast, and fast mode plus
Material: CMOS sensor with protective packaging, RoHS and REACH compliant
Lifetime stability: Enhanced by CMOSens® technology, suitable for OEM mass production
Environmental: Non-corrosive gases, humidity compensation (optional via external sensor), low power consumption
Operational: ESD 2 kV HBM, storage temperature -20°C to 85°C
Buy the Buy Sensirion STC31 Part Number 3.000.331 Online
Discover the Sensirion STC31 gas sensor, designed for high-volume applications requiring dependable CO2 and binary gas measurement. This advanced thermal conductivity sensor features CMOSens® technology, providing exceptional long-term stability, high accuracy, and easy integration with digital I2C interface. Its compact form factor and low power profile make it ideal for environmental monitoring and industrial safety systems. Order online now and enhance your project’s reliability with our proven gas sensing solutions that ensure precise measurements even under demanding conditions.
Order your Sensirion STC31 thermal conductivity gas sensor today and ensure reliable, high-accuracy gas detection for industrial or environmental projects.
Frequently Asked Questions
Where can I buy SENSIRION STC31R3?
You can click on the BUY or RFQ button to purchase STC31R3 from an authorized SENSIRION distributor.
How do I troubleshoot issues or seek technical support for part STC31R3?
You can download the STC31R3 datasheet or visit the SENSIRION website for support.
Who is the manufacturer of STC31R3?
SENSIRION
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