Moldova standards PDF

Measuring relays and protection equipment - Part 27: Product safety requirements. IEC 60255-27:2013. Original standard IEC 60255-27-2013 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60255-27-2023

Single input energizing quantity measuring relays with dependent specified time. Original standard IEC 60255-4-1976 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60255-3-1989

Scales and sizes for plotting frequency characteristics and polar diagrams. CEI/IEC 60263:1982. Original standard IEC 60263-1982 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60263-2020

Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index. IEC 60268-16:2011. Original standard IEC 60268-16-2011 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60268-16-2020

Sound system equipment - Part 18: Peak programme level meters - Digital audio peak level meter. Original standard IEC 60268-18-1995 in PDF full version. Additional info + preview on request

Document status: Active

Sound system equipment - Part 7: Headphones and earphones. IEC 60268-7:2010. Original standard IEC 60268-7-2010 in PDF full version. Additional info + preview on request

Document status: Replaced by St IEC 60268-7-2025