1950-5-2F Dwyer Instruments - Explosion-Proof Differential Pressure Switch

The 1950-5-2F is a Dwyer Instruments Series 1950 explosion-proof differential pressure switch, combining the Series 1900 switch mechanism with an integral explosion-proof and weatherproof housing for HVAC, process and all-weather applications.

It is CE, UL and CSA listed and FM approved for Class I Division 1 Groups C and D, Class II Groups E, F and G, and Class III hazardous atmospheres (NEMA 7 and 9), rated NEMA 3 / IP54 weatherproof with a drain plug and O-ring sealed cover, and offered across twelve set point models from 0.03 to 20 in w.c. or 0.5 to 60 psi, with the range adjustment screw accessible from outside the housing.