... .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 ... complete test facilities, ensuring high quality products. With the help of China Jiliang University, by heaps of times of innovation and practice, our products ...