... ", 2-1/2", 4" (2)Case & cover: SS304, Steel (3)Accuracy: 3-2-3% Refrigerating Pressure Gauge:(1)Diameter: 1-1/2", 2 ... : polycarbonate(4)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, Mpa, Kpa, kg/cm2, Hg ...