The 604 Series differential pressure switch features automated calibration, trapezoidal bead diaphragm design, multiplated contacts, and compact packaging. Suitable for ventilation, process oven, laboratory, and clean room applications, it is designed for use with air or non-corrosive gases.

The switch can withstand a maximum pressure of 20 in. w.c. and is available standard in ranges of 0.1 to 1.2 in. w.c. and 0.4 to 4 in. w.c. Additional ranges are available to 20 in. w.c. All models incorporate integrated cable strain relief and 3/16 in. ID tubing connectors.