1.Water Proof 2.Accuracy:Normal Grade 2.5 3.Certification:E4-110R-000223 4.Certificate Of Utility Model Patent 1.Type:YR2.Accuracy:Normal Grade 2.53.Diameter of outside:50mm=2''. Otherwise,we can do special size you need.4.Measure range:From 0 to 400bar/psi,or 0-40Mpa/psi 5.Installation:Bottom connection, Back connection .6.Thread:BSP,NPT,BS,UNand other special specification7.Temperature:-10~70°C ...