SMD assembly allows cost- and space-effective integration of the sensor combined with maximal freedom of design. On-chip signal compensation is realized with the built-in SHT4x humidity and temperature sensor.
CO2 is a key indicator for indoor air quality as high levels compromise humans’ cognitive low power and well-being. The SCD4x enables smart ventilation systems to regulate ventilation in the most energy-efficient and human-friendly way. Moreover, indoor air quality monitors and other connected devices based on the SCD4x can help maintain low CO2 concentrations for a healthy, productive environment.
Features
Integrated temperature and humidity sensor
Reflow solderable for cost-effective assembly
Photoacoustic sensor technology PASens
Specification
| Smallest form factor | 10.1 x 10.1 x 6.5 mm3 |
| Large output range | 0 ppm – 40’000 ppm |
| Large supply voltage range | 2.4 – 5.5 V |
| High accuracy | ±(40 ppm + 5 %) Digital I2C interface |
| Low power operation down to | < 0.4 mA avg. @ 5 V, 1 meas. / 5 minutes |
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