ROSEMOUNT 3051SAL2SG2AA2A1220DFF71DA00E5 3051SAL= Scalable Advanced Level Transmitter 2= Performance Class Classic: 0.065% span accuracy, 150:1 rangedown S= Configuration Type Electronic Remote Sensor - Secondary G= Pressure Sensor Type | Pressure Module Type Gage | Coplanar 2= Main Pressure Range -250 to 250 inH2O (-623 to 623 mbar) A= Multivariable Static Pressure Range; None A= Transmitter Output 4-20 mA with digital signal based on HART protocol 2A= Housing Style | Material |Junction Box | Aluminum Conduit Entry Size; 1/2-14 NPT 1= Seal System Type Direct-Mount Diaphragm Seal System - Welded Repairable 2= High Side Connection Type (Between Transmitter and Remote Seal) 2-inch (50 mm) Direct-Mount Extension 2= Low Side Connection Type or Capillary ID 316L SST Isolator / SST Transmitter Flange 0= Capillary Length; No Capillary D= Diaphragm Seal Fill Fluid ; Silicone 200 FF=Process Connection Style ;Flush Flanged 7= Process Connection Size; 3-in. 1= Maximum Working Pressure / Flange Rating: ANSI/ASME B16.5 Class 150 DA= Isolating Diaphragm / Flange or Upper Housing Material: 316L SST Diaphragm, 316 SST Flange 0= Flushing Connection Ring (Lower Housing) / Seal Extension; None 0= Flushing Connections / Additional Extension Length: None E5= Product Certifications FM Explosion-proof, Dust Ignition-proof Qty: 2 -- 0 to 250in H2O