Standards World

IEC 60934:2000 pdf free download – Circuit-breakers for equipment (CBE)

IEC 60934:2000 pdf free download - Circuit-breakers for equipment (CBE) 1 Scope and object This International Standard is applicable to mechanical switching devices designed as "circuit-breakers for equipment"(CBE) intended to provide protection to circuits within electricalequipment. NOTE...

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IEC 60580:2000 pdf free download – Medical electrical equipment

IEC 60580:2000 pdf free download - Medical electrical equipment 3.17 INTRINSIC ERROR deviation of the MEASURED VALUE(i.e. the INDICATED VALUE,corrected to REFERENCECONDITIONs) from the cONVENTIONAL TRUE VALuE under STANDARD TEST CONDITIONS (IEC 60731) 3.18 IONIZATION CHAMBER detector...

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IEC 60204-11:2000 pdf free download – Safety of machinery

IEC 60204-11:2000 pdf free download - Safety of machinery 1 Scope IEC 60204 applies to the electrical and electronic equipment and systems of machines,including a group of machines working together in a coordinated manner, but excluding higherlevel...

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BS ISO 27875:2019 pdf free download – Space systems一Re-entry risk management for unmanned spacecraft and launch vehicle orbital stages

BS ISO 27875:2019 pdf free download - Space systems一Re-entry risk management for unmanned spacecraft and launch vehicle orbital stages. 3) standard conditions of the break-up process and sequence (e.g., de-facto altitude of the aerodynamic break-up point where...

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BS ISO 22423:2019 pdf free download – Foil bearings一Performance testing of foil thrust bearings – Testing of static load capacity, bearing torque, friction coefficient and lifetime

BS ISO 22423:2019 pdf free download - Foil bearings一Performance testing of foil thrust bearings - Testing of static load capacity, bearing torque, friction coefficient and lifetime. 7 Test methods 7.1 Principle The take-off speed and the parameter...

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BS ISO 20921:2019 pdf free download – Textiles一Determination of stable nitrogen isotope ratio in cotton fibres

BS ISO 20921:2019 pdf free download - Textiles一Determination of stable nitrogen isotope ratio in cotton fibres. c) Turn on the microbalance and wait for the microbalance to stabilize. d) Use the tweezer to grab an empty tin...

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IEC 60417-1:2000 pdf free download – Graphical symbols for use on equipment

IEC 60417-1:2000 pdf free download - Graphical symbols for use on equipment 1 Scope This part of lEC 60417 contains graphical symbols and their meaning (title and application).The graphical symbols in the standard are primarily intended -to...

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BS ISO 19897:2019 pdf free download – Ships and marine technology一Marine evacuation systems一Testing under conditions of icing

BS ISO 19897:2019 pdf free download - Ships and marine technology一Marine evacuation systems一Testing under conditions of icing. The International Life-saving Appliance (LSA) Code states in paragraph 6,2.2.1.8 that a marine evacuation system shall be designed to, as...

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IEC 62574:2020 pdf free download – Audio, video and multimedia systems – General channel assignmentof multichannel audio

IEC 62574:2020 pdf free download - Audio, video and multimedia systems - General channel assignmentof multichannel audio 1 Scope This document specifies the general channel assignment and the metadata for multichannelaudio formats. The general channel assignment as...

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BS ISO 17359:2011 pdf free download – Condition monitoring and diagnostics of machines – General guidelines

BS ISO 17359:2011 pdf free download - Condition monitoring and diagnostics of machines - General guidelines. Typical decisions include: no action, continue routine monitoring; reduce the interval to the next required measurement; change (reduce or increase) the...

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