Dwyer 475-3-FM Manometer 200-inch WC Intrinsically Safe FM Approved

Dwyer 475-3-FM Manometer 200-inch WC Intrinsically Safe FM Approved measures negative, positive, and differential pressures of natural gases and air from 0 to 200.0 in w.c. The Dwyer 475-3-FM also measures air velocity when used with a pitot tube. The Dwyer 475-3-FM features durable aluminum housing, a clear display, automatic zero button, and is intrinsically safe to use in hazardous locations.