Pressure Digital Manometer Handheld, -20 to 0 to +20 inches WC
The Dwyer 476A-0 single-pressure digital manometer can be used to measure low pressures from -20 to 20 in w.c. with ±1.5% FS accuracy. It features a one-button auto-zero and has an instant selection of up to nine English / metric units. Built to last, the 476A has rugged aluminum housing and an auto power-off function to conserve battery life.