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Differential Pressure Switch – Series 104

The Series 104 Differential Pressure Switch is a low-cost easy to use differential pressure switch for very low pressure applications. The differential pressure switch can monitor positive, negative, or differential pressure and with an easy to adjust set point knob makes field set up and adjustment hassle free. The differential pressure switch includes a SPDT relay rated for 2A @ 250V and can be set as low as 0.08” w.c. (20 Pa).

Media: Air and compatible gases

Max Pressure:  4” w.c. (1000 Pa)

Repeatability: 2%

Deadband: approximately 10% of max set point

Temperature Limits: 5 to 140° F (-15 to 60° C)

Electrical Rating: 2A @ 250 V

Electrical Connection: Screw terminals

Process Connection: 3/16” I.D. flexible tubing

Enclosure Rating: NEMA 13 (IP 54)

Weight: 3.5 oz (100 g)

Accessories: 6 ft (1.8m) flexible tubing, (2) Static pressure fittings, Z type mounting bracket, mounting screws

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