Professional Standard - Post and Telecommunication
Status
2009-12
Latest
YD/T 505-1991
Scope
This standard specifies the technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of 10kHz~100MHz transmission testers. This standard applies to 10kHz to 100MHz level oscillators, 10kHz to 100MHz selective level meters and similar products.
YD/T 505-1991 history
1991YD/T 505-1991 Technical conditions for 10kHz - 100MHz transmission tester