SCD43

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High CO₂ accuracy with comprehensive building standard compatibility

The SCD43 delivers a best-in-class accuracy specification of +- (30pm + 3% m.v.) as well as compatibility with the most stringent building standards, including ANSI/ASHRAE 62.1-2022 Draft Addendum d, California Title 24, RESET® grade B and WELL Building Standard™ (WELL v2). Furthermore, SCD43 features an extended specified range up to 5'000 ppm and single shot operation mode.

 

The SCD4x is Sensirion’s second generation series of optical CO2 sensors. The sensor series builds on the photoacoustic NDIR sensing principle and Sensirion’s patented PASens® and CMOSens® technology to offer accuracy at an attractive price and small form factor. 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. Tape and reel packaging make the SCD4x ideal for high-volume applications.

 

Carbon dioxide is a key indicator for indoor air quality (IAQ), as high levels compromise human cognitive performance and well-being. The SCD4x enables smart ventilation regulation to help improve energy efficiency and human comfort. Moreover, indoor air quality monitors and other connected devices based on the SCD4x can help maintain low CO2 concentrations for a healthy, productive environment.

规范

CO₂
CO₂ 输出范围
0 - 40000
0 - 40000ppm
指定的 CO₂ 测量范围
400 - 5000
400 - 5000ppm
准确度
±30.0 ppm ±3.0 %m.v.
±30.0 ppm ±3.0 %m.v.
响应时间 (τ63%)
60
60s
湿度
典型的相对湿度精度
6
6%RH
操作相对湿度范围
0 - 95
0 - 95%RH
响应时间 (τ63%)
90
90s
校准证书
Factory calibration
Factory calibration
通用的
电源电压
2.4 - 5.5
2.4 - 5.5V
平均供应电流
15
15mA
最大供应电流
205
205mA
工作温度范围 [°C]
-10 - 60
-10 - 60°C
尺寸 (长x宽x高)
10.1 x 10.1 x 6.5
10.1 x 10.1 x 6.5mm
包装尺寸
600
600pcs (T&R)
Temperature
典型温度精度
0.8
0.8°C
响应时间 (τ63%)
120
120s

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