Dwyer Instruments Inc

Dwyer Instruments Inc

Air Flow Manual

The Dwyer Model 530 Air Flow Switch provides excel-lent sensitivity and reliability at a very reasonable price.Quality features include rugged die cast zinc body,stainless steel vane, silicone rubber gasket and SPDTsnap switch. Unit is easily field adjustable from 400-1600 FPM. Mounting is fast and simple, requiring onlytwo screws. Vane fits 6 in. ...