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: Threaded connections 316L: 2" NPT (Taper) (ASME B1.20.1) (tapered thread) Communication/Output: 4-20mA HART, start-up at < 3.6mA . Enclosure/Cable inlet: Aluminum, 2 x M20 x 1.5 Antenna Version, Size/Extension: Antenna /Extension 316L: 2 inch Horn (fits 2 inch ASME or DN 50 nozzles) Approvals: Intrinsically Safe: ATEX II 1G Ex ia IIC T4 Ga, ATEX II 1D Ex ia ta IIIC T100°C Da; UKEX II 1G Ex ia IIC T4 Ga, UKEX II 1D Ex ia ta IIIC T100°C Da; IECEx Ex ia IIC T4 Ga, IECEx 1D Ex ia ta IIIC T100°C Da; INMETRO Ex ia IIC T4 Ga, INMETRO Ex ia ta IIIC T100°C Da, IP67/IP68; EAC Ex 0Ex ia IIC T4 Ga X, EAC Ex 0Ex ia ta IIIC T100°C Da X; CE, UKCA, RED, RCM Pressure Rating: Rating per pressure/temperature curves in instruction manual