December 8, 2020
The SFA30 is Sensirion’s new digital formaldehyde sensor designed for easy integration into air purifiers, demand-controlled ventilation systems, or indoor air quality Monitors.
Based on Sensirion’s electrochemical technology, the SFA30 offers excellent formaldehyde sensing performance with a uniquely low cross-sensitivity to other VOCs. The sensor module’s on-board SHT sensor provides accurate humidity and temperature readings and enables a fully temperature/humidity compensated and factory calibrated formaldehyde concentration output in ppb. Selectable digital UART and I2C interface options, a standard electrical connector, and versatile mounting options make the integration easy. Relying on Sensirion’s experience in environmental sensing and a patented electrochemical cell with anti-dry technology, the SFA30 offers excellent long-term stability and 6 years service Lifetime.
- Accuracy: ±20 ppb or ±20% of measured value, whichever is larger
- Interface: I²C / UART
- Supply voltage range: 3.3 V or 5.0 V
- Current consumption: 1.0 mA (average)
- Measurement range: 0 to 1,000 ppb
- Sensor output: Formaldehyde concentration in ppb, RH, T
- Response time: <2 min
- Limit of detection: <20 ppb
- Air Purifiers
- Air Conditioners
- Indoor Air Quality Monitors
Technology and Benefits
|Patented electrochemical cell with anti-dry technology||Excellent long-term stability and 6 years service lifetime|
|Integrated SHT humidity and temperature sensor||On-board RH and T compensation, additional RH and T Output|
|Uniquely low cross sensitivity to other VOCs||Reliable Formaldehyde measurements in real life conditions|
|Fully factory calibrated module||Easy to use and life-time calibrated|
Start evaluating the SFA30 today
The SEK-SFA30 evaluation kit has been designed for easy evaluation of Sensirion’s SFA30 formaldehyde sensor. In addition to the SFA30 sensor module, the SEK-SFA30 comes with a UART-USB cable for a plug-and-play connection to a PC and evaluation with Sensirion’s easy-to-use SEK-ControlCenter viewer software. For connecting the sensor to prototyping platforms such as Arduino or RaspberryPi, a 7-pin jumper wire cable is provided.
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