Belarus standards PDF
Live working. Voltage detectors - Capacitive type to be used for voltages exceeding 1 kV a.c. Original standard BS EN 61243-1-2005 + A1-2010 in PDF full version. Additional info + preview on request
Document status: Withdrawn
Original standard BS EN 61252-1997 (2001) in PDF full version. Additional info + preview on request
Document status: Active
Electroacoustics Octave-band and fractional-octave-band filters Part 2: Pattern-evaluation tests. Original standard BS EN 61260-2-2016 in PDF full version. Additional info + preview on request
Document status: Active
Ultrasonics Hand-held probe Doppler foetal heartbeat detectors Performance requirements and methods of measurement and reporting. Original standard BS EN 61266-1995 (2000) in PDF full version. Additional info + preview on request
Document status: Active
Fibre optic communication subsystem test procedures - General communication subsystems. Central wavelength and spectral width measurement. Original standard BS EN 61280-1-3-2010 in PDF full version. Additional info + preview on request
Document status: Withdrawn
Fibre optic communication subsystem test procedures - General communication subsystems. Light source encircled flux measurement method. Original standard BS EN 61280-1-4-2010 in PDF full version. Additional info + preview on request
Document status: Replaced by STB BS EN IEC 61280-1-4-2023