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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Failure mode is corrosion. Table 4 — Codes, tests and requirements Tests and requirements in accordance with Subclause 5. Figure 8 — Dewing test cycle 14? For dated references, only the edition cited applies.

Operate the DUT in a hot air oven at Tmax for the specified holding time, th. Raise the temperature from Tmin to Tmax within 30 s or less. The duration of one cycle is 24 h.

Failure mode is electrical malfunction caused by moisture, e. Upon agreement, this test may be performed during the development of a DUT with opened housing or without housing. The minimum functional status shall be class C, as defined in ISO Tests — Test Db: 167550-4 standards by standard number.


Use operating mode 2. For tests including hotsoak temperature, TmaxHS, see Table 3. 16570-4 All rights reserved. It is permissible to add substances such as colours or salt to the water in order to improve the detectability.

The test should be carried out oriented as mounted in the vehicle. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee.

Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. IP-code see ISO The temperature and humidity profile has been defined to generate a dewing effect similar to that in the vehicle environment. Electrical loads Part 3: ISO — All rights reserved.

Tests — Test Ka: Tests — Test Kb: In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. The operating mode of the DUT is 1.

This test is relevant for plug contacts and open switching contacts. Electrical loads [2] ISO If the DUT is splashed in the vehicle from only one direction, splash it from this direction only while it is in an as-installed position.


Develop, test and integrate batteries according to the standards

With the device still operating, submerge it for 5 min in an ice water tank at least 10 mm deep. 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? The minimum functional status shall be 1670-4 B, as defined in ISOfor test 3. Another failure mode is the penetration of protective paint coatings with subsequent corrosion of the structures below.

Conekt | Splash Water Testing (ISO )

Damp heat, steady state? Tests — Test N: Every care has been taken to ensure that the file is suitable for use by ISO member bodies. Tests — Test A: