D1017 Pressure Gauge Sanitary Dial Size 2 1/2 In Connection Size 1 1/2 In Triclamp Connection Location Lower Accuracy +/-1.5 % Stainless Steel Case Material 316 Stainless Steel Socket Material 316 Stainless Steel Tube Material Filled With Glycerin (In Seal) Polycarbonate Lens Material Operating Temp Range -40 to 150 F Includes No Clamps