SITRANS LR250 Radar level transmitter with encapsulated horn and PTFE lens: continuous, non-contact, 20 m (66 ft) range, for liquids and slurries in the chemical industry. Process Connection Material:Stainless steel 1.4404/1.4435 Flanged Process Connection Types (Stainless steel 1.4404/1.4435): DN50 PN10/16 EN 1092-1 type B1 raised face Communication: 4...20mA HART,start-up at <3.6mA - Enclosure (with Cable inlets): Aluminum, 2 X M20 x 1.5 Antenna Lens Material: TFM 1600 Flush lens 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; CE, UKCA, RED, RCM Pressure Rating: Rating per pressure/ temperature curves in instruction manual