DIN EN 60051-6:1991
直接显示的模拟电器测量仪及附件.第6部分:欧姆表(阻抗表)和电导表的特殊要求
Direct acting indicating analogue electrical measuring instruments and their accessories; part 6: special requirements for ohmmeters (impedance meters) and conductance meters (IEC 60051-6:1984, edition 4); german version EN 60051-6:1989