SIPART PS2 smart electropneumatic positioner for pneumatic linear and part-turn actuators; 2-,3-,4-wire; 4…20mA with HART-interface; double action; polycarbonate enclosure with fixable slipping clutch with explosion protection (ATEX/IECEx/FM/CSA); Intrinsic safety Connection thread el.: M20x1.5 / pneu.: 1/4″ NPT without limit monitor with installed position feedback module (4 … 20 mA) . Brief instructions German / English / Chinese . without mounted pressure gauge block