Standards World

BS ISO 8709:2010 pdf free download – Mopeds一Brakes and brake systems一Tests and measurement methods

BS ISO 8709:2010 pdf free download - Mopeds一Brakes and brake systems一Tests and measurement methods. 4.3 Ambient temperature The ambient temperature shall be between 4 °C and 45 °C. 4.4 Test lane for dynamic tests The test area...

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IEC 60364-5-55:2011 pdf free download – Electrical installations of buildings

IEC 60364-5-55:2011 pdf free download - Electrical installations of buildings 551.2.1 The means of excitation and commutation shall be appropriate for the intended useof the generating set and the safety and proper functioning of other sources of...

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ISO 3087:2011 pdf free download – lron ores一Determination of the moisture content of a lot

ISO 3087:2011 pdf free download - lron ores一Determination of the moisture content of a lot. B.2.5 Calculation of moisture content corrected for sprinkled water added during loading operations after taking moisture samples The moisture content of the...

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IEC 60332-1-2:2004 pdf free download – Tests on electric and optical fibre cablesunder fire conditions

IEC 60332-1-2:2004 pdf free download - Tests on electric and optical fibre cablesunder fire conditions 1 Scope This part of lEC 60332 specifies the procedure for testing the resistance to vertical flamepropagation for a single vertical electrical...

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ISO 2493-2:2011 pdf free download – Paper and board – Determination of bending resistance一 Part 2: Taber-type tester

ISO 2493-2:2011 pdf free download - Paper and board - Determination of bending resistance一 Part 2: Taber-type tester. 5 Apparatus 5.1 Bending resistance tester (see Figure 1), consisting of the following components. 5.1.1 Pendulum, P, rotating around...

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IEC 60331-1:2009 pdf free download – Tests for electric cables under fire conditions – Circuit integrity

IEC 60331-1:2009 pdf free download - Tests for electric cables under fire conditions - Circuit integrity 5.2Test ladder and mounting The test ladder shall consist of a steel framework as shown in Figure 1.The two central verticalelements...

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ISO 2067:2019 pdf free download – Granulated cork, broken cork and crushed cork一Sampling for the determination of moisture content

ISO 2067:2019 pdf free download - Granulated cork, broken cork and crushed cork一Sampling for the determination of moisture content. This document specifies a sampling method for the determination of moisture content of granulated cork, broken cork and...

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IEC 60287-3-2:2012 pdf free download – Electric cables – Calculation of the current rating

IEC 60287-3-2:2012 pdf free download - Electric cables - Calculation of the current rating 0.1General part The procedure generally used for the selection of a cable size leads to the minimumadmissible cross-sectional area,which also minimizes the initial...

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IEC 60255-5:2000 pdf free download – Electrical relays

IEC 60255-5:2000 pdf free download - Electrical relays 4.2.2.1overvoltage categories The applicable overvoltage category shall be determined on the basis of the following criteria.ategory l Category l applies for measuring relays and protection equipment where special measuresare...

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ISO 630-2:2011 pdf free download – Structural steels – Part 2: Technical delivery conditions for structural steels for general purposes

ISO 630-2:2011 pdf free download - Structural steels - Part 2: Technical delivery conditions for structural steels for general purposes. 3.4 thermomechanical processed steel rolled with a process in which the final deformation is carried out in...

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