5408: Basic model (Radar Level Transmitter)., At: Profile - Standard monitoring and control., 1: Type of measurement - Liquid level., S: Performance class - Standard (±2 mm)., H: Output signal - 4-20 mA with HART communication., S: Housing material - Stainless steel (SST)., 2: Conduit threads - M20 x 1.5., I2: Hazardous area certification - INMETRO Intrinsic Safety., 1: Contact materials - 316 / 316L / EN 1.4404., R: Process Connection Type - Raised Face (RF) Flange, 4: Connection size - 4 inches / DN100 / 100A., At: Pressure rating - ASME B16.5 Class 150., AAC: Antenna Type - Cone antenna with PTFE seal., 4: Antenna size - 4 inch cone (DN100)., M5: Display type - LCD display.