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Gas Level Sensor | CO2


Dimensions: 29 x 10.25 x 18 mm3
Supply Voltage: 5 Vdc
Measuring Range: 400 – 5000 ppm
Interface: I2C
Allowable overpressure: 1 bar

SKU: BM-A-0045 Category:

Gas Level Sensor | CO2


Get to know the Bartels Mikrotechnik advanced CO2 sensor, specifically designed for seamless integration with our renowned micropump technology. Utilizing the cutting-edge SCD4x series from Sensirion, our customized sensor leverages the robust photoacoustic NDIR sensing principle and incorporates Sensirion’s patented PASens® and CMOSens® technologies. This unique combination ensures outstanding accuracy and reliability in CO2 measurement, optimized for both stationary and online monitoring applications.

Dynamic Measuring Range

Our CO2 sensor embodies precision engineering with a specified accuracy range up to 5,000 ppm, addressing the stringent demands of various environments. The compact design, enabled by SMD assembly, offers unparalleled cost-effectiveness and flexibility in integration, making it an ideal choice for designers seeking minimalistic yet powerful solutions. Enhanced by the on-chip SHT4x sensor, our device provides automatic signal compensation for temperature and humidity, ensuring high fidelity in CO2 readings under fluctuating conditions.


Bartels Mikrotechnik’s CO2 sensor not only promises exceptional performance and versatility but also supports high-volume requirements. This innovation underscores our commitment to delivering superior microtechnological solutions that enhance environmental monitoring and control systems worldwide.

Perfect Fit

Our CO2 sensor is the perfect companion for The Bartels Pump | BP7 and the mp-Multiboard2 evaluation board, offering a synergistic solution for sophisticated fluid handling and monitoring systems. The integration of our CO2 sensor with the BP7 micropump ensures precise and controlled environment monitoring, essential for applications requiring exact gas analysis and regulation. Furthermore, when combined with the mp-Multiboard2, users gain access to an expansive range of evaluation and control options, enabling detailed parameter adjustments and real-time data acquisition. This integration facilitates an elevated level of precision and responsiveness, critical for achieving optimal operational efficiency and reliability in a variety of applications, from medical devices to environmental monitoring systems.