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.

Navigation:

• Content Evaluation Kit
• Quick Start Guide
• Software, Drivers and Tutorials
• Resources
• Further Information

• SFA30 formaldehyde sensor module
  UART and I2C interface via 7-pin Molex Micro-Lock Plus connector
  Supply voltage VDD: 3.3 or 5.0 V
  Size: 46 x 24 x 5.5 mm3
• USB-UART cable
  (7-pin, marked with an orange sleeve) to connect the SFA30 development board directly to a USB port, e.g. on a PC
• Jumper wire set
  (7-pin Micro-Lock Plus cable set) to connect the SFA30 development board to embedded testing platforms like Arduino or Raspberry Pi. A 10-pin 0.1’’ pitch gender changer is also provided.
  Cable configuration:
  Red cable = VDD
  Black cable = GND
  Green cable = SDA (I2C) or RX (UART)
  Yellow cable = SCL (I2C) or TX (UART)
  Blue cable = SEL (Interface select - Connect to GND for I2C, connect to VDD or leave open to select UART)
  Purple cable = NC (do not connect)
  Grey cable = NC (do not connect)

Software and Drivers

• SFA30 Embedded Drivers
• SFA30 Arduino I²C
• SFA30 Arduino UART
• SFA30 Arduino Snippets
• SFA30 Raspberry Pi I²C
• SFA30 Raspberry Pi UART
• SFA30 Makecode
• SEK-ControlCenter Viewer Software

Tutorials

• BLE Gadget for Formaldehyde Monitoring