G & O Thermal Supply Company - 3000 Series Photohelic® Pressure Switch/Gauges
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3000 Series Photohelic® Pressure Switch/Gauges

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3-in-1: Indicating gauge, Lo-limit control and Hi-limit control
Functions in the same manner as versatile, precise pressure switches combined with a pressure gauge utilizing the time-proven Magnehelic® design. Two DPDT relays permit both high and low alarms or limit controls. Used to control pressures in air conditioning systems, clean rooms, fluidic and pneumatic control systems, materials handling equipment; alarm or control fume exhust systems and control pressure in air structures.





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Item #

Pressure Range

Minor Division

Rated Total Pressure

Indication Accuracy

Switch Repeatability

DWA3000-0 0 - 0.5 inWc 0.01 inWc -20" Hg - 25 psig 2 % 1 %
DWA3002 0 - 2 inWc 0.05 inWc -20" Hg - 25 psig 2 % 1 %
DWA3005 0 - 5 inWc 0.10 inWc -20" Hg - 25 psig 2 % 1 %
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