Ordering Information Model FMR51 Radar measurement Time-of-Flight Micropilot FMR51 Approval AA Non-hazardous area Power Supply; Output A 2-wire; 4-20mA HART Display, Operation C SD02 4-line, push buttons + data backup function Housing C GT20 dual compartment, Alu, coated Electrical Connection A Gland M20, IP66/68 NEMA4X/6P Antenna BC Horn 80mm/3" Seal A5 FKM Viton GLT, -40...150°C/-40...302°F Process Connection AGJ NPS 3" Cl.150 RF, 316/316L flange ASME B16.5 Additional Operation Language AA English Test, Certificate JAJBKE 3.1 Material certificate, wetted metallic parts, EN10204-3.1 inspection certificateConformity to NACE MR0175, wetted metallic partsPressure test, internal procedure, inspection certificate Additional Approval LA SIL Only with aluminium or stainless steel field housing.