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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Key t a b c d e time, in h Operating mode 3.

This third edition cancels and replaces the second edition ISO By using this site, you agree to the Terms of Use and Privacy Policy.

The changes in temperature shall correspond to the specifications given in Table 2. Failure mode is insufficient frost resistance, e. Dust and sand 20?

Failure mode is electrical malfunction during temperature change. Wait at each step until the DUT has reached the new temperature. Operate the DUT electrically functional test after the whole device has reached Tmin for the shortest possible duration in order to check the correct function of the device.

The operating mode of the DUT is 3.

In addition, operate jso electrically between min and min of the cycle see Figure 2. ISO copyright office Case postale 56? In this case, use a new DUT for each splash direction. Views Read Edit View history. Retrieved from ” https: Mechanical loads Part 4: CH Geneva 20 Tel.

Develop, test and integrate batteries according to the standards

This page was last edited on 3 Mayat 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 16570-4 the typefaces which are embedded are licensed to and installed on the computer performing the editing.


General [1] ISO It is permissible to add substances such as colours or salt to the water in order to improve the detectability.

Perform functional tests operating mode 3. ISO shall not be held responsible for identifying any or all such patent rights. Upon agreement, this test may be performed during the development of a DUT with opened housing or without housing. See Figures 4 to 6.

Road vehicles — Environmental conditions and 16570-4 for electrical and electronic equipment — Part 3: Table 4 — Codes, tests and requirements Tests and requirements in accordance with Subclause 5. An additional failure mode not addressed in 5. Contraintes climatiques Reference number ISO Figure 7 — Test cycle for the salt spray test 5. Failure modes are mechanical cracking of materials or seal failures caused by different temperature expansion coefficients.

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From Wikipedia, the free encyclopedia. The paint repair temperature, TmaxPR, can be higher than the operating temperature and shall be given in the specification of the DUT. Tests — Test N: Because this test creates mechanical defects crackselectrical operation is not required.


Details of isi 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. Another failure mode is the penetration of protective paint coatings with subsequent corrosion of the structures below. The minimum functional status shall be class C, as defined in ISO Tests — Test Db: Figure 5 — Test cycle for splash water test Dimensions in millimetres Key 1 2 3 DUT slot jet pump 4 5 splash water splash Figure 6 — Test set-up for splash water test 10?

Road vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 4: With the device still operating, submerge it for 5 min in an ice water tank at least 10 mm deep.

Conekt | Splash Water Testing (ISO )

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. Electrical loads Part 3: In the vehicle environment, some equipment might experience different conditions regarding temperatures, temperature gradients and duration: The recommended cycle time is 20 min. There are two possible methods for performing the test see 5. This test generates corrosion similar to reality.