Belarus standards PDF

Calibration of wavelength/optical frequency measurement instruments - Optical frequency meters internally referenced to a frequency comb. Original standard BS EN IEC 62129-3-2019 in PDF full version. Additional info + preview on request

Document status: Active

Resistance welding equipment - Electromagnetic compatibility (EMC) requirements. Original standard BS EN IEC 62135-2-2021 in PDF full version. Additional info + preview on request

Document status: Active

Nuclear power plants. Instrumentation and control systems important to safety. Software aspects for computer-based systems performing category B or C functions. Original standard BS EN IEC 62138-2019 in PDF full version. Additional info + preview on request

Document status: Active

Capacitors for high-voltage alternating current circuit-breakers - TRV capacitors. Original standard BS EN IEC 62146-2-2023 in PDF full version. Additional info + preview on request

Document status: Active

Fibre optic active components and devices. Package and interface standards - General and guidance. Original standard BS EN IEC 62148-1-2018 in PDF full version. Additional info + preview on request

Document status: Active

Fibre optic active components and devices. Package and interface standards - 14-pin modulator integrated laser diode modules and pump laser diode modules. Original standard BS EN IEC 62148-11-2025 in PDF full version. Additional info + preview on request

Document status: Active