1910-1 Dwyer Instruments - Compact Low Differential Pressure Switch

The 1910-1 is a Dwyer Instruments Series 1900 compact low differential pressure switch, used for air conditioning, refrigeration coil icing detection, clogged filter detection and variable air volume control.

It covers set points from 0.07 to 20 in w.c. with repetitive accuracy within 3 percent, with the range adjustment screw located inside the conduit enclosure to prevent tampering, and is UL, CE and CSA listed and FM approved for use with air or compatible gases.