Series DX Wet Differential Pressure Switch The Series DX  is a Differential Pressure Switch  that makes a contact output based on the differential between two pressure sources. Wetted Materials of Brass and Fluoroelastomer are suitable for use with most Gases and Water-basemore...
dwyer 1626-20 series 1620 single and dual pressure switch range 8.0-24" w.c model - 1626-20 range  - 8.0-24" w.c description  - single and dual pressure switch, range 8.0-24" w.c., .50 min. Deadband, 1.20 max. Deadband, 5.0 adj. Diff. Between set points.  series 1620 singmore...