Pressure sensor (rotatable), with 2 transistor switching outputs pnp/npn, operating voltage 18.30 VDC, rotatable housing after mounting the process connection, reading of the set values possible without tools, programming protection through recessed button and lock function, permanent display of the pressure unit (bar, psi, kPa, MPa, misc), pressure peak memory, pressure range -1 ... 0 bar rel., ATEX Category II 3 G, Ex Zone 2, ATEX Category II 3 D, Ex Zone 22