Differential Pressure Digital Manometer, -60 to 60" w.c.
The Dwyer 478A differential pressure digital manometer can be used to measure positive, negative, or differential pressures. It features one button auto zero, ±1.5% FS accuracy and has instant selection of up to nine English / metric units. Built to last, the 478A has a rugged aluminum housing and an auto power off function to conserve battery life.
This product series covers several pressure ranges. There is also a single pressure model available, the 476A. The chart below provides an overview of each.