The Series AT11910 is created as ATEX Approved 1910 Differential Pressure Switch, designed and developed by DWYER. It is made more durable and highly efficient in dealing with non-combustible compatible gases. It is made up to par to most of the larger, similar products in the market today without incurring large cost. Set points for AT11910 is easily adjustable from 0.07 to 20 in w.c. An ATEX conduit is needed for the proper installation of AT11910 and since it is ATEX approved, its ideal to use in low pressure and hazardous area applications. A comprehensive manual is included in the package.