SCD40-D-R1. : -. : I2C. Alarm Output Threshold: -. Alarm Output: -. Connection Type: SMD. Gas type: Carbon dioxide (CO2). Operating temperature: -10...+60°C. Sensor Technology: NDIR. Series: SCD4x. Type: Sensor. Voltage supply: 2.4...5.5V. Original product from manufacturer: Sensirion. Quantity in stock updated on 13/11/2025, 16:27