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ISO INTERNATIONAL STANDARD. Agricultural engineering Electrical and electronic equipment Testing resistance to environmental conditions - PDF Free Download
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Jacob Silvester McKenzie
1 INTERNATIONAL STANDARD ISO First edition Agricultural engineering Electrical and electronic equipment Testing resistance to environmental conditions Génie agricole Matériel électrique et électronique Essais de résistance aux conditions environnementales Reference number ISO 2006
3 Contents Page Foreword... iv 1 Scope Normative references Terms and definitions General General conditions for testing Test sequence Test report ISO compliance Tests General Cold and dry heat Damp heat, steady state Damp heat, cyclic Impact Vibration Corrosive atmosphere Degrees of protection provided by enclosures (IP Code) Air pressure (altitude) Chemical brush or spray Solar radiation (ultraviolet) Readability of displays Electromagnetic compatibility Electrical environment...16 Annex A (informative) Example test report...19 Annex B (informative) Machinery/equipment codes and guidance for use of severity levels...20 Bibliography...25 ISO 2006 All rights reserved iii
4 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 established has the right to be represented on that committee. International organizations, governmental and 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/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an 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 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and forestry, Subcommittee SC 19, Agricultural electronics. iv ISO 2006 All rights reserved
5 INTERNATIONAL STANDARD Agricultural engineering Electrical and electronic equipment Testing resistance to environmental conditions 1 Scope This International Standard provides design requirements and guidance for the manufacturers of electrical and electronic equipment for use in all kinds of mobile (including hand-held) agricultural machinery, forestry machinery, landscaping and gardening machinery [referred to hereafter as machine(s)]. It gives tests for specific environmental conditions and defines severity levels for tests which relate to the environmental extremes that can be experienced in practical operation of the equipment. The standard is intended to be used in determining the suitability of the equipment of the these machines, for use in a specified range of environmental conditions. NOTE The severity levels given are general guidelines and not guaranteed worst-case exposure levels. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC :1988, Environmental testing Part 1: General and guidance IEC :1975, Basic environmental testing procedures Part 2: Tests Test Sa: Simulated solar radiation at ground level IEC :1995, Environmental testing Part 2: Tests Test Fc: Vibration (sinusoidal) IEC : 1975, Basic environmental testing procedures Part 2: Tests Guidance for solar radiation testing IEC :1981, Basic environmental testing procedures Part 2: Tests Test Ka. Salt mist IEC :1983, Basic environmental testing procedures Part 2: Tests Test M: Low air pressure IEC :1984, Basic environmental testing procedures Part 2: Tests Test N: Change of temperature IEC :1987, Basic environmental testing procedures Part 2: Tests Test Ea and guidance: Shock IEC :1980, Basic environmental testing procedures Part 2: Tests Test Db and guidance: Damp heat, cyclic ( hour cycle) IEC :2005, Environmental testing Part 2: Tests Mounting of specimens to vibration, impact and similar dynamic tests ISO 2006 All rights reserved 1
6 IEC :1993, Environmental testing Part 2: Test methods Test Fh: Vibration, broad-band random (digital control) and guidance IEC :2001, Environmental testing Part 2-78: Tests Test Cab: Damp heat, steady state IEC :2001, Connectors for electronic equipment Tests and measurements Part 1: General IEC 60529:1989, Degrees of protection provided by enclosures (IP Code) ISO 14982:1998, Agricultural and forestry machinery Electromagnetic compatibility Test methods and acceptance criteria ISO 16750:2003, Road vehicles Environmental conditions and testing for electrical and electronic equipment 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 display device device displaying alpha-numeric characters or graphical symbols designed to be read by operative or service personnel 3.2 equipment self-contained electronic system containing electric, electronic and mechanical components which is electrically connected to other machinery (including power sources) by means of connectors 3.3 impaired function state in which one or more of the functions of the equipment as stated by the manufacturer are not operative or do not conform to the manufacturer's specification 3.4 location position within machines where the equipment will normally be operating 3.5 normal mounting configuration orientation of the equipment when in normal use 3.6 severity level severity of the conditions under which an environmental test is undertaken, selected according to the intended location and application of the equipment 3.7 portable equipment equipment that can be battery operated and that a person can carry 2 ISO 2006 All rights reserved