SCD41
High CO₂ accuracy with extended measurement range and low power modes
<p><span style="color:hsl(0,0%,0%);">CO<sub>2</sub> accuracy specifications:</span></p><ul style="list-style-type:circle;"><li><span style="color:hsl(0,0%,0%);">400-1,000 ppm: ±(50 ppm + 2.5% of reading)</span></li><li><span style="color:hsl(0,0%,0%);">1,001-2,000 ppm: ±(50 ppm + 3% of reading)</span></li><li><span style="color:hsl(0,0%,0%);">2,001-5,000 ppm: ±(40 ppm + 5% of reading)</span></li></ul><p> </p><p><span style="color:hsl(0,0%,0%);">The SCD4x is our series of miniature CO<sub>2</sub> sensors, which builds on the photoacoustic NDIR sensing principle and Sensirion’s patented PASens® and CMOSens® technology to offer high accuracy at an unmatched price and smallest form factor. SMD assembly allows cost- and space-effective integration combined with maximal freedom of design. On-chip signal compensation is realized with the built-in SHT4x humidity and temperature sensor. Tape and reel packaging make the SCD4x ideal for high-volume applications.</span></p><p> </p><p><span style="color:hsl(0,0%,0%);">The SCD41 delivers several important features, such as a specified CO<sub>2</sub> accuracy range of up to 5’000 ppm, higher accuracy specifications, low-power measurement modes and compliance with RESET<sup>®</sup>, WELL Building Standard™ and California Title 24 Building Energy Efficiency Standards.</span></p>
Specification
| CO₂ | |||
|---|---|---|---|
| CO₂ Output Range
0 - 40000
| 0 - 40000 | ppm | |
| Specified CO₂ Measurement Range
400 - 5000
| 400 - 5000 | ppm | |
| Accuracy
±50.0 ppm ±2.5 %m.v.
| ±50.0 ppm ±2.5 %m.v. | ||
| Accuracy
±50.0 ppm ±3.0 %m.v.
| ±50.0 ppm ±3.0 %m.v. | ||
| Accuracy
±40.0 ppm ±5.0 %m.v.
| ±40.0 ppm ±5.0 %m.v. | ||
| Response time (τ63%)
60
| 60 | s |
| Humidity | |||
|---|---|---|---|
| Typ. relative humidity accuracy
6
| 6 | %RH | |
| Operating relative humidity range
0 - 95
| 0 - 95 | %RH | |
| Response time (τ63%)
90
| 90 | s | |
| Calibration certificate
Factory calibration
| Factory calibration |
| Generic | |||
|---|---|---|---|
| Supply voltage
2.4 - 5.5
| 2.4 - 5.5 | V | |
| Average supply current
15
| 15 | mA | |
| Max. supply current
205
| 205 | mA | |
| Operating temperature range [°C]
-10 - 60
| -10 - 60 | °C | |
| Size (LxWxH)
10.1 x 10.1 x 6.5
| 10.1 x 10.1 x 6.5 | mm³ | |
| Packaging size
60 and 600
| 60 and 600 | pcs (T&R) |
| Temperature | |||
|---|---|---|---|
| Typ. temperature accuracy
0.8
| 0.8 | °C | |
| Response time (τ63%)
120
| 120 | s |
Downloads
Sensor evaluation
Buy the following products to evaluate this sensor
| Name | Description | Series | Category |
|---|---|---|---|
 SEK-SCD41 | CO₂ evaluation kit SCD4x series | SEK-SCDxx | CO₂ |
 SEK-SensorBridge | Connecting bridge with two sensor ports | SEK-SensorBridge |
Download the respective viewer software to start measuring
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