Features No air consumption 100% solid-state piezoresistive silicon pressure sensor High air flow capacity Universal 24 VAC/VDC supply voltage Field selectable 4 to 20 mA, 0 to 5 VDC or 0 to 10 VDC input Short circuit and reverse polarity protected inputs and outputs Auto/manual switch with separate increase/decrease pushbuttons (EP-313 only) Precision pressure gauge for branch line indication Non-interactive zero and span trimmers Smallest size available in the industry Conforms to EMC standards EN50082-1/EN55014/EN60730-1