Back to catalogSCD4xFiltersProduct categoryCO₂ sensors5Humidity sensors0Temperature sensors0NOx & VOC sensors0Formaldehyde sensors0Particulate matter sensors0Liquid flow sensors0Differential pressure sensors0Gas flow sensors0Mass flow controllers0Gas metering solutions0Refrigerants sensors0O₂ sensors0ClassEvaluation kit1Sensor4Accessory0Development board0Reference design0Product statusNew2Active2End of life1Upcoming0Not recommended for new designs0Last time buy0InterfaceI²C2Sensibus0PWM0SDM0UART0RS2320RS4850Switch0Device net0IO link0ModBus0Analog voltage0Analog current0Show archived productsSimplify product viewNewCompare SCD43High CO₂ accuracy with comprehensive building standard compatibilitySensorCO₂ sensorsNewCompare SEK-SCD43Evaluation kit for SCD43 CO2 sensorsEvaluation kitCO₂ sensorsCompare SCD41Improved CO₂ accuracy with extended measurement range and single-shot modeSensorCO₂ sensorsCompare SCD40Compact & cost-effective photoacoustic NDIR CO₂ sensorSensorCO₂ sensors