IEC 60688-2:1988 Electrical measuring transducers for converting a.c. electrical quantities into d.c. electrical quantities - Part 2: Transducers for outdoor use and other severe environments
1970IEC 60688-2:1988 Electrical measuring transducers for converting a.c. electrical quantities into d.c. electrical quantities - Part 2: Transducers for outdoor use and other severe environments