ISO INTERNATIONAL STANDARD 16750-4 Third edition 2010-04-15 Road vehicles Environmental conditions and testing for electrical and electronic equipment - Part 4: Climatic loads Vehicules routiers Spécifications d'environnement et essais de I'équipement électrique et électronique- Partie 4: Contraintes climatiques Reference number ISO 16750-4:2010(E) SO @ISO2010 ISO 16750-4:2010(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In COPYRiGHT PROTECTED DOCUMENT ? ISO 2010 electronic or mechanical, including photocopying and microfilm, without permission in writing from either IsO at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii ISO2010-All rights reserved ISO16750-4:2010(E) Contents Page Foreword. iv 1 Scope 2 Normative references. 3 Terms and definitions. 4 Operating temperature ranges. Tests and requirements.. 5.1 Testsatconstanttemperature 5.2 Temperature step test... 5.3 Temperature cycling tests... 5.4 Icewatershocktest. 5.5 Salt spray tests... 5.6 Humid heat, cyclic test. 5.7 Damp heat, steady-state test 5.8 Corrosion test with flow of mixed gas 15 5.9 Solarradiation 5.10 Dust test... 6 6 Codes for climatic loads. 18 7 Protection against dust and water.. 8 Documentation .. Annex A (informative) Usual tests and requirements for equipment depending on the mounting location... 19 Bibliography.. 20 @ ISO 2010 - All rights reserved ili ISO16750-4:2010(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (iSO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been non-governmental, in liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 The main task of technical committees is to prepare International Standards. Draft International Standards adoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.Publicationasar International Standard requires approval by at least 75 % of the member bodies casting a vote Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 16750-4 was prepared by Technical Committee ISO/TC22, Road vehicles ,Subcommittee SC3, Electrical and electronic equipment. This third edition cancels and replaces the second edition (isO 16750-4:2006), which has been technically revised. IsO 16750 consists of the following parts, under the general title RoadvehiclesEnvironmentalconditions and testing forelectrical and electronic equipment: Part 1: General Part 2: Electrical loads Part 3:Mechanical loads —Part4:Climaticloads Part 5: Chemical loads @ ISO 2010 - All rights reserved INTERNATIONAL STANDARD ISO16750-4:2010(E) Road