Dwyer 475-1-FM-AV Air Velocity Kit all-in-one kit is thin, lightweight, and simple to use. Requires no setup or scaling. Digital manometer reads from 0-20.00 “w.c. with F.S. precision of ±0.5 percent and small divisions to 0.01. Wide 1/2” LCD readings are simple to be seen in dimly lit areas and have a “low battery” alert.

Applications: Field calibration of other instruments, Monitoring or troubleshooting HVAC systems.