Series EDA electronic pressure controllers from Dwyer Instruments (20/07/2009)... pipe mount ability. Key Features of the EDA electronic pressure controller include; programmable display units of psi, kg/cm2, bar, in Hg, ft w.c., kPa, MPa, %FS, in w.c., mbar, cm w.c., mm Hg, or oz/in2 (choices depend on ...