SCREEK SFA-40 Formaldehyde Sensor
Factory Restore & Configuration Tool
⚠️ Web Serial API Not Supported
Please use the latest Chrome / Edge browser, and access via HTTPS or localhost only.
⚠️ Firmware Update Notice
Through investigation and research with our module supplier, we have improved a reading issue. The data consistency between the SFA40 and SFA30 is now improved. Please update to version V26.09.03-A or later.
Connect your SFA-40 via USB serial, then click the button below to flash factory firmware.
This browser does not support serial port
Web Serial only works on HTTPS or local host pages
Powered by open-source ESP Web Tools
Product Documentation:
https://screek.io/sfa-40a