The AFS is a
general purpose airflow proving
switch designed for HVAC, more
specifically the detection of
blocked filters and fan suction, air
flow monitoring in ducts, pipes
tunnels, and other energy management
applications. It can be configured
to sense positive, negative or
differential pressure. Each side of
the diaphragm accept a .25 OD
tubing. The enclosure cover prevents
accidental contact with the
switching terminal screws as well as
the set point adjustment screw.
