... case,Brass connection,S.S crimped bezel, 3.0-10bar,1/4NPT etc. 63mm(2.5") Oil filled pressure gauge YN63C BRIEF INTRODUCTION ... -chemical, Power stations, etc. DESCRIPTION Nominal Size : 1.5"(40mm) , 2.0"(50mm), 2.5"(63mm), 3.0"(75mm) ,4.0"(100mm),Pressure Range : -1 ... ~0bar to 0~400barAccuracy : ±1%, ±1.6%, ±2.5%Working Temperature ...