无锡建仪雷氏夹测定仪主要用于检测雷氏夹质量是否符合要求也用于测量沸煮前后水泥试件在雷氏夹两指针间距离的增值来判定水泥的安定性。LD-50雷氏夹测定仪产品符合GB/T1346、ISO9597、JC/T954标准要求 Model LD-50 expansion coefficient tester of le.chatelier mould Purpose For checking the state of the split cylinder of Le. Chatelier Mould as well as measuring the distance between two pointers of the mould before and after curing to determine the soundness of cement specimen.