ISO 16750-4 PDF

ISO Road vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 4: Climatic loads. ISO applies to electrical and electronic systems/components for road vehicles. ISO describes the potential environmental stresses . INTERNATIONAL STANDARD ISO Third edition Road vehicles — Environmental conditions and testing for electrical and.

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This test generates corrosion similar to reality. In downloading this 16570-4, parties accept therein the responsibility of not infringing Adobe’s licensing policy. An additional failure mode not addressed in 5. The recommended time of operating mode 3. Climatic loadsGeneva, Switzerland: The operating mode of the DUT is 3.

Mechanical loadsGeneva, Switzerland: Visual examination as detailed below shall allow identification, appearance, workmanship and finish of the item to be checked against the relevant specification. General [1] ISO Operate the DUT electrically functional test after the whole device has reached Tmin for the shortest possible duration in order 1675-4 check the correct function of the device.

See Figures 4 to 6. Failure modes are cracking of materials or seal failures caused by ageing and different temperature expansion coefficients.

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By using this site, you agree to the Terms of Use and Privacy Policy. Dust and sand 20? Electrical loads Part 3: Tests — Test Ke: Carry out a visual examination with the naked eye, at normal strength of vision, with normal colour perception, at the most favourable distance and with suitable illumination.

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Failure mode is electrical malfunction caused by high temperature, e. Retrieved from ” https: This part of ISO describes climatic loads.

Figure 8 — 167750-4 test cycle 14? Road vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 3: Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 shall not be held responsible for identifying any or all such patent rights. Failure mode is electrical malfunction due to leakage currents caused by the ingress of salt water. Mechanical loads Part 4: Tests — Test L: The minimum functional status shall be class C, as defined 167500-4 ISO ISORoad vehicles—Environmental conditions and electrical testing for electrical and electronic equipment, is an ISO standard which provides guidance regarding environmental 17650-4 commonly encountered by electrical and electronic systems installed in automobiles.

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Road vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 2: The minimum functional status shall be class B, as defined in ISOfor test 3. Failure mode is corrosion.

Climatic loads [4] ISO The work of preparing International Standards is normally carried out through ISO technical committees. A permanent operation starting izo Tmin would prevent this due to the electrical power dissipation. ISO — All rights reserved. General ISORoad vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 2: Table 4 — Codes, tests and requirements Tests and requirements in accordance with Subclause 5.

The paint repair temperature, TmaxPR, can be higher than the operating temperature and shall be given in the specification ios the DUT. Other systems shall meet minimum functional status class C up to the last hour and class A for the last hour.

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Failure mode is electrical malfunction caused by low temperature, e. The operating mode of the DUT shall be 1. Use operating mode 3. NOTE This is not a corrosion test.

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