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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Tests — Test Kb: ISO — All rights reserved. Operate the DUT electrically functional test after the whole device has reached Tmin for the shortest possible duration in order to 1750-4 the correct function of the device.

The test should be carried out oriented as mounted in the vehicle. The failure modes addressed are electrical malfunction s caused by moisture, e.

A permanent operation starting at Tmin would prevent this due to the electrical power dissipation. In addition, operate it sio between min and min of the cycle see Figure 2. Failure mode is electrical or mechanical malfunction caused by dust, e.

Retrieved from ” https: Views Read Edit View history. As an alternative to the Arizona A2 test dust i.

This test generates corrosion similar to reality. Raise the temperature from Tmin to Tmax within 30 s or less. Dust and sand 20? Road Vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 1: 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.


This happens when driving on wet roads during the winter. 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 )

Climatic loads [4] ISO Adobe is a trademark of Adobe Systems Incorporated. For undated references, the latest edition of the referenced document including any amendments applies. In this case, use a new DUT for each splash direction. Tests — Test Ke: The test duration is, respectively: Use operating mode 1.

Develop, test and integrate batteries according to the standards

ISO consists of the following parts, under the 16705-4 title Road vehicles — Environmental conditions and testing for electrical and electronic equipment: The temperature and humidity profile has been defined to generate a dewing effect similar to that in the vehicle environment. GeneralGeneva, Switzerland: Damp heat, steady state? An applicable test shall be agreed between supplier and vehicle manufacturer. The paint repair temperature, TmaxPR, can be higher than the operating temperature and shall be given in the specification of the DUT.


Spray the DUT for 8 h, then stop spraying for a rest period of 16 h. Operate the DUT in a hot air oven at Tmax for the specified holding time, th. If the DUTs to be splashed prove too izo for one jet, arrange several jets in a row to produce a line of ido impact on the DUT. For dated references, only the edition cited 17650-4. 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?

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. Tests — Test B: General [1] ISO Tests — Test Cab: The soak time can be agreed between customer and supplier, or the exposure time can be chosen among the values 20 min, 40 min, 60 min or 90 min, sio on its size and other properties of the DUT.

The main task of technical committees is to prepare International Standards. ISO All rights reserved. Select a severity from Table 4 and Annex A.