Explosion-proof differential pressure gauges and switches are CSA and UL listed and come in ranges from 0-5 in H20 through 0-6000 psid. Rated NEMA 4X weather proof, and NEMA 7 explosion-proof, Division 1, Class 1 and 11. Available with SPDT/DPDT switching and wide adjustable dead band.

Mid-West Instrument, (586) 254-6500, www.midwestinstrument.com