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Secondary cells and batteries containing alkaline or other non-acid electrolytes. Sealed nickel-cadmium small prismatic rechargeable single cells. Original standard BS EN 61440-1998 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Safety of power transformers, power supply units and similar - Particular requirements for transformers for switch mode power supplies. Original standard BS EN 61558-2-17-1998 (1999) in PDF full version. Additional info + preview on request

Document status: Withdrawn

Measurement of exposure to radio-frequency electromagnetic fields. Field strength in the frequency range 100 kHz to 1 GHz. Original standard BS EN 61566-1998 in PDF full version. Additional info + preview on request

Document status: Active

Methods of measurement for waveguides - Variation of group delay. Original standard BS EN 61580-3-1997 in PDF full version. Additional info + preview on request

Document status: Active

Methods of measurement for waveguides Part 4: Attenuation of waveguide and waveguide assemblies. Original standard BS EN 61580-4-1998 (2008) in PDF full version. Additional info + preview on request

Document status: Active

Methods of measurement for waveguides Part 6: Return loss on waveguide and waveguide assemblies. Original standard BS EN 61580-6-1997 (2000) in PDF full version. Additional info + preview on request

Document status: Active