BS EN 50121-2:2017 pdf free.Railway applications一Electromagnetic compatibility.Emission of the whole railway system to the outside world. BS EN 50121-2 This European Standard is intended to define the electromagnetic environment of the whole railway system including urban mass transit and light rail system. It describes the measurement method to verify the emissions, and gives the cartography values of the fields most...
BS EN 61757-1-1:2017 pdf free
BS EN 61757-1-1:2017 pdf free.Fibre optic sensors.Strain measurement一Strain sensors based on filbre Bragg gratings. BS EN 61757-1-1 This part of lEC 61757 defines detail specifications for fibre optic sensors using one or more fibre Bragg gratings (FBG) as the sensitive element for strain measurements. Generic specifications for fibre optic sensors are defined in IEC 61757-1:2012.This standard specifies the most important...
BS ISO 6531:2017 pdf free
BS ISO 6531:2017 pdf free.Machinery for forestry一 Portable chain-saws一 Vocabulary. BS ISO 6531 1 Scope This document defines terms relating to the mechanical aspects of portable chain-saws, saw-chain and guide bars. The chain-saw positions are shown in Annex A. 2 Normative references There are no normative references in this document.3 Terms and definitions For the purposes of this document, the...
BS EN 12697-20:2020 pdf free
BS EN 12697-20:2020 pdf free.Bituminous mixtures - Test methods.Indentation using cube or Marshall specimens. BS EN 12697-20 This document specifes a test method for determining the depth of indentation of mastic asphalt and other asphalt, when force is applied to them via a cylindrical indentor pin with a circular flat-ended base. This document applies to aggregates of maximum nominal size...
BS EN 16842-10:2020 pdf free
BS EN 16842-10:2020 pdf free.Powered industrial trucks - Visibility 一Test methods and verification.Towing and Pushing tractors and Burden carrier. BS EN 16842-10 This document specifies the requirements and test procedures for 360° visibility of sit-on and stand-on self-propelled towing and pushing tractors in accordance with ISO 5053-1:2020, 3.1 and 3.2 without load and without trailer; 一burden carriers in accordance with...
BS EN 4575:2020 pdf free
BS EN 4575:2020 pdf free.Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated and descaled - Sheets and plates- 3 mm < a≤50 mm. BS EN 4575 1 Scope This document specifies the requirements relating to: Heat resisting alloy X12CrNiCOMoW21-20 Solution treated and descaled Sheets and plates 3mm<aS50mm for aerospace applications.ASD-STAN designation: FE-PA4901.2 Normative references The following documents are...
BS EN 4426:2020 pdf free
BS EN 4426:2020 pdf free.Aerospace series一Non-metallic materials一Textiles - Test method一Determination of conductivity and pH of aqueous extracts. BS EN 4426 This document specifies the requirements for the determination of conductivity and pH of aqueous extracts of textile materials.This method has been written in response to an aerospace requirement for a method of extraction using hot water as the EN 1413...
BS EN 3475-513:2020 pdf free
BS EN 3475-513:2020 pdf free.Aerospace series - Cables, electrical, aircraft use - - Test methods.Deformation resistance (Installation with plastic cable ties) BS EN 3475-513 This document defines the test methods to evaluate the performance of coaxial, quadrax and databus cables after the installation of plastic cable ties. It shall be used together with EN 3475-100.2 Normative references The following documents...
BS EN ISO 28399:2020 pdf free
BS EN ISO 28399:2020 pdf free.Dentistry - External tooth bleaching products. BS EN ISO 28399 This document specifies requirements and test methods for external tooth bleaching products. These products are intended for use in the oral cavity, either by professional application (in-office tooth bleaching products) or consumer application (professional or non-professional home use of tooth bleaching products), or both. It...
BS ISO 1328-2:2020 pdf free
BS ISO 1328-2:2020 pdf free.Cylindrical gears - ISO system of flank tolerance classification.Definitions and allowable values of double flank radial composite deviations. BS ISO 1328-2 This document establishes a gear tooth classification system relevant to double flank radial composite deviations of individual cylindrical involute gears and sector gears. It specifies the appropriate definitions of gear tooth deviations, the structure of...