Refrigerating Pressure Gauge : (1)Diameter:1-1/2", 2", 2- ... SS304, Steel (3)Accuracy: 3-2-3% Refrigerating Pressure Gauge:(1)Diameter: 1-1/2", 2", 2-1/2 ... )Internal: brass,(5)Inlet thread: 1/4", 3/8", 1/2", NPT ,BSPT, BSP(6)Connection: brass ... (7)Range: 76cmHg, 1.5MPa(8)Accuracy: 3-2-3%,(9)CaFeatures: psi, bar, ... brands and logos accepted. Refrigerating Pressure Gauge