AAFS Adjustable Air Flow Switch is capable of detecting a wide range of air velocities with minimal user calibration.
November 15, 2012 - Dwyer Instruments announces Model AAFS Adjustable Air Flow Switch, capable of detecting a wide range of air velocities with minimal user calibration. The adjustable screw changes the set point at which the SPDT snap switch engages. Quality features include a stainless steel vane, galvanized steel base, and ABS enclosure. The unit is field adjustable from 200-1800 FPM (1 - 9.2 m/sec).