Detailed Product Description Manometer1) Liquid Type: Glycerine or Silicone2) Diameter: 1.5", 2", 2.5", 2.75", 3", 3.5", 4", 4.5", 5.5", 6", 6.5", 7.5", 8"3) Case: 304, 316 stainless steel4) Window: Polycarbonate(Perspex or usual glass available)5) Range: 0~400Kpa/0~60Psi6) Scale: Psi, Bar, Mpa, Kpa, KG / cm2, Hg7) Accuracy Class: -2% -3%, 1.6%, 1%, 2.5%, 3%8) Thread: 1 / 8", 1 / 4", 3 / 8", 1 / ...