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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The application of this test shall be stated in the specification of the DUT. Failure mode is electrical malfunction caused by low temperature, e.

This happens when driving on wet kso during the winter.

Failure modes are cracking of materials or seal failures caused by ageing and different temperature expansion coefficients. Failure mode is electrical malfunction caused by moisture, e. General [1] ISO International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

This test generates corrosion similar to reality.

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The test will consist of 20 cycles, each one as defined in Figure 9. In downloading this file, parties accept therein the responsibility of not infringing Adobe’s licensing policy. Failure mode is electrical malfunction caused by insulating corrosion products on the surface of electrical contacts. The changes in temperature shall correspond to the specifications given in Table 2. See Figures 4 to 6.

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Develop, test and integrate batteries according to the standards

Adobe is a trademark of Adobe Systems Incorporated. Iao 8 — Dewing test cycle 14? By using this site, you agree to the Terms of Use and Privacy Policy. The minimum functional status shall be class B, as defined in ISOfor test 3. The recommended time of operating mode 3. Electrical loadsGeneva, Switzerland: Tests — Test Ke: This test is relevant for 1750-4 contacts and open switching contacts. Damp heat, steady state? The duration of one cycle is 24 h.

If the DUTs to be splashed prove too big for one jet, arrange several jets in a row to produce a line of splash impact on the DUT. End of temperature rise.

Then splash the DUT with ice water for 3 s. Perform a functional test operating mode 3.

Conekt | Splash Water Testing (ISO )

International Organization for Standardization. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. 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.

For tests including hotsoak temperature, TmaxHS, see Table 3. Failure mode is electrical malfunction during temperature change. Chemical loadsGeneva, Switzerland: Climatic loadsGeneva, Switzerland: NOTE This test is not intended to be a life test. Operate the DUT with operating mode 3.

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An applicable test shall be agreed between supplier and vehicle manufacturer. Every care has 1675-04 taken to ensure that the file is suitable for use by ISO member bodies.

Spray the DUT for 8 h, then stop spraying for a rest period of 16 h. As an alternative to the Arizona A2 test dust i.

Failure modes are mechanical cracking of materials or seal failures caused by different temperature expansion coefficients. 167504- agreement, this test may be performed during the development of a DUT with opened housing or without housing. Failure mode is corrosion. Key t a b c d e time, in h Operating mode 3.

Additional drying of the test chamber air is not permitted. Views Read Is View history. General ISORoad vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 2: Requirement For systems which are powered while the engine is shut off, functional status shall be class A, as defined in ISOfor the entire test duration.

Raise the temperature from Tmin to Tmax within 30 s or less.