... . DESCRIPTION 1).Nominal Size : 1.5"(40mm) , 2.0"(50mm), 2.5"(63mm), 3.0"(75mm) ,4.0"(100mm), 2).Pressure Range : -1~0bar to ... ~400bar 3).Accuracy : ±1%, ±1.6%, ±2.5% 4).4Working Temperature: -20°c~70°c 5). Case: Stainless steel 6). Bezel : Stainless steel ... ).Gaskets/Filling cap: Neoprene Or Silica gelOPTION 1. With red mark adjustable pointer , 2. With othe unit according requirement, such as bar,psi ...