Standards World

BS EN IEC 60879:2019 pdf free download - Comfort fans and regulators for household and similar purposes – Methods for measuring performance (IEC 60879:2019) 5.1.4 Running-in of the fan Prior to starting the tests on a new...

BS EN IEC 60974-5:2019 pdf free download - Arc welding equipment 5.2 Measuring instruments The accuracy of measuring instruments shall be: a) electrical measuring instruments: class 1 (±1 % of full-scale reading), except for the measurement of...

BS IEC 62047-31:2019 pdf free download - Semiconductor devices - Micro- electromechanical devices 1 Scope This part of IEC 62047 specifies a four-point bending test method for measuring interfacial adhesion energy of the weakest interface in the...

AS NZS IEC 60947.5.6:2015 pdf free download - Low-voltage switchgear and controlgear 1 Scope This International Standard applies to proximity sensors connected for operation by a two-wire connecting cable to the control input of a switching amplifier....

BS EN IEC 63093-1:2020 pdf free download - Ferrite cores - Guidelines on dimensions and the limits of surface irregularities 1 Scope This part of IEC 63093 specifies the dimensions and allowable limits of surface irregularities of...

BS EN IEC 60974-2:2019 pdf free download - Arc welding equipment 6.5 Leakage current between welding circuit and protective earth With the cooling system filled with the cooling liquid specified by the manufacturer (see 1 2.1 e)),...

BS IEC 62047-32:2019 pdf free download - Semiconductor devices - Micro- electromechanical devices 5.2 Test conditions a) Keep the ambient temperature within 23 °C ± 5 °C. b) Maintain the vacuum degree of the vacuum chamber according...

AS NZS IEC 60947.5.5:2015 pdf free download - Low-voltage switchgear and controlgear 6.2.1 In accordance with 4.4.4 of ISO 1 3850 * , when the emergency stop signal has been generated during actuation of the emergency stop...

BS EN IEC 63041-2:2018 pdf free download - Piezoelectric sensors 1 Scope This part of IEC 63041 is applicable to piezoelectric chemical sensors mainly used in the field of biological, medical, gas and environmental sciences. It provides...

BS EN IEC 63077:2019 pdf free download - Good refurbishment practices for medical imaging equipment 1 Scope This document describes and defines the PROCESS of REFURBISHMENT of USED MEDICAL IMAGING EQUIPMENT and applies to the restoring of...