... bezel, 3.0-4bar,1/4NPT etc. 63mm(2.5") Oil filled pressure gauge ,bayonet bezel ,YN63B BRIEF ... Chemical/petro-chemical, Power stations, etc. DESCRIPTION Nominal Size : 2.5"(63mm),4.0"(100mm),Pressure Range : -1~0bar ... to 0~400barAccuracy : ±1%, ±1.6%, ±2.5%Working Temperature: -20°c~70°c Case: Stainless steel Bezel ... ,black Window: Glass Or Plastic Thread: 1/8",1/4", 3/8",1/2", PT,BSP,NPT etc. Fill ...