New firmware for the SFA-40A, with lovely curves; the SFA-40 slides just like the SFA-30.

SFA-40A Major Firmware Update V26.09.03: Improves the display of readings and further replaces the SFA-1 (SFA30).

The SFA30(SFA-1) and SFA40(SFA-40A), the latter of which appears to be more resistant to interference from electric mosquito repellents.

SFA-40A Formaldehyde Sensor now available, 15% off

SFA-40A firmware development: added update policy control, formaldehyde threshold alarms and Bluetooth network configuration.now is 26.04.18-A

The SFA-40A is coming soon—a new venture based on the latest SFA40 formaldehyde sensor.