Dwyer Instruments Series DX differential pressure switch
The Series DX differential pressure switch 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-based solutions.
The switch can be used for low differential pressure indication with setpoint on a decrease of pressure as low as 1 psid (0.07 bar).
Differential setpoint ranges are available from 2.5 to 75 psid (0.17 to 5.17 bar) on increasing differential pressure and 1.0 to 67 psid (0.07 to 4.62 bar) on decreasing differential pressure.
The unit features a high static pressure rating of 200 psig (13.8 bar) for higher static pressure applications.
Standard is a weatherproof, UL type 4X enclosure for dust-laden, outdoor, or washdown installation environments.
The DX incorporates an externally adjustable setpoint, integral mounting flange and a removable electrical terminal block for quick and easy installation.
The DX uses opposing diaphragms to sense the high and low pressure with a pivot mechanism that transfers the difference of the two pressures to the SPDT switch.
Applications include: indicating filter differential pressure; proof of flow indicator monitoring differential pressure from a sensing device; proving flow through a pump by sensing the pressure across the pump to make sure the pump does not run dry; proving flow through a chiller; and proving flow through a heat pump or AC unit.
Phone: 02 4272 2055
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