Sensirion SCD40 - CO2 concentration, humidity and temperature sensor
Sensirion SCD40 - CO2 concentration, humidity and temperature sensor
The sensor determines carbon dioxide levels using newly developed photo-acoustic technology.
Integrated cable with RJ12 plug facilitates direct connection to Lan Controller.
Technical specifications
| Supply voltage |
2.4-5.5 V DC (typically 3.3 V or 5 V) |
| Peak supply current |
175 mA |
| Length of connecting cable (maximum) |
0.5 m (I2C)
|
| Dimensions |
27 x 59 mm |
| CO2 sensing performance |
- Output range: 0-40000 ppm
- Measurement range: 400-2000 ppm
- Measurement accuracy: ±(50 ppm + 5%) (in the range of 400-2000 ppm)
- Measurement repeatability: ±10 ppm
- Response time: 60 s
|
| Humidity sensing performance |
- Measurement range: 0-100 % RH
- Measurement accuracy:
- ±6 % RH (15 °C – 35 °C, 20 % RH – 65 % RH)
- ±9 % RH (-10 °C – 60 °C, 0 % RH – 100 % RH)
- Measurement repeatability: ±0.4 % RH
- Response time: 90 s
|
| Temperature sensing performance |
- Measurement range: -10 to +60 °C
- Measurement accuracy:
- ±0.8 °C (15 °C – 35 °C)
- ±1.5 °C (-10 °C – 60 °C)
- Measurement repeatability: ±0.1 °C
- Response time: 120 s
|
Tinycontrol
