Posted on February 17, 2019

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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There are two possible methods for performing the test see 5.

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.

The paint repair temperature, TmaxPR, can be higher than 167504 operating temperature and shall be given in the specification of the DUT. Damp heat, steady state? ISO — All rights reserved.

Mechanical loads Part 4: An additional failure isp not addressed in 5. Visual examination as detailed below shall allow identification, appearance, workmanship and finish of the item to be checked against the relevant specification.

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End of temperature rise. Operate the DUT with operating mode 3.

Climatic loads [4] ISO IP-code see ISO Figure 7 — Test cycle for the salt spray test 5. If the equipment is splashed from various directions in the vehicle, then these directions shall be taken into account. The application of this test shall be stated in the specification of the DUT. 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.

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Failure modes are mechanical cracking of materials uso seal failures caused by different temperature expansion coefficients. International Organization for Standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.

Failure mode is electrical malfunction caused by high temperature, e. 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, depending on 116750-4 size and other properties of the DUT. Other systems shall meet minimum functional status class C up to the last hour and class A for the last hour.

Road vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 5: Failure modes are cracking of materials or seal failures caused by ageing and different temperature expansion coefficients.

ISORoad vehicles—Environmental conditions and electrical testing for electrical and electronic equipment, is an ISO standard which lso guidance regarding environmental conditions commonly encountered by electrical and electronic systems installed in automobiles.

ISO | BatteryStandards

The failure modes addressed are electrical malfunction s caused by moisture, e. 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. ISO standards Automotive engineering. Perform a functional test operating mode 3.

Conekt | Splash Water Testing (ISO )

Mechanical loadsGeneva, Switzerland: As an alternative to the Arizona A2 test dust i. Figure 1 illustrates the temperature step test, using code Q as specified in Table 1. Attention is drawn to the possibility that 16705-4 of the elements of this document may be the subject of patent rights.

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General ISORoad vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 2: Road Io — Environmental conditions and testing for electrical and electronic equipment — Part 1: For dated references, only the edition cited applies.

An applicable test shall be agreed between supplier and vehicle manufacturer. Contraintes climatiques Reference number ISO Failure mode is electrical malfunction due to leakage currents caused by the ingress of salt water. Dust and sand 20? isso

Additional drying of the test chamber air is not permitted. Details of the 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.

General [1] ISO If the DUTs to be splashed prove too big for one jet, arrange several jets in 167504 row to produce a line of splash impact on the DUT. 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.