Dwyer MSX-W12-PA is a Pro Magnesense® Differential Pressure Transmitter suitable for air and non-combustible gases. With an accuracy of ±0.5% FSO (except unidirectional 0.5 in. @ ±1% FSO), it operates with a power requirement of 10-36 VDC (2-wire) or 17-36 VDC or isolated 21.6-33 VAC (3-wire). It features a 4-20 mA output signal, 4 digit LCD display, and instantaneous or selectable 3 s response time. The compact and rugged design includes a NEMA 4X (IP66) enclosure and a 1/2" NPS electrical entry.