\n SITRANS LR250 Radar level transmitter: continuous, non-contact, 20 m (66 ft) range, for liquids and slurries. Process Connection and Antenna Material: 316L (1.4435 or 1.4404) stainless steel, PTFE emitter, FKM seal Process connection type: Flanged connection made of stainless steel mat. no. 1.4404\/316L: 4" Class 150 ASME, ASME B16.5 flat flange Communication\/Output: PROFIBUS PA . Enclosure\/Cable inlet: Aluminum, 2 x M20 x 1.5 Antenna Version, Size\/Extension: Antenna \/Extension 316L: 4 inch Horn (fits 4 inch ASME or DN 100 nozzles) Approvals: Intrinsically Safe: IECEx\/ATEX II 1 G Ex ia IIC T4 Ga, IECEx\/ATEX II 1D Ex ia ta IIIC T100 C Da, INMETRO Ex ia IIC T4 Ga, Ex ia ta IIIC T100 C Da, CE, RED, RCM Pressure Rating: Rating per pressure\/temperature curves in instruction manual <\/div>\n <\/div>\n \n \n