IEC 60068-2-14 Test

Packaging Tests

IEC 60068-2-14 Test

IEC 60068-2-14 Temperature Test Replacement

IEC 60068-2-14 is a test standard designed to measure the effect of changes in temperature. There may be only one change or a series of changes. This standard does not only measure the effect of low temperatures or high temperatures.

IEC 60068-2-14 Test

Other standards should be reviewed for guidance on steady-state overtemperature tests. The IEC 60068-2-1 cold test can be referenced for the cold test, and the IEC 60068-2-2 temperature test can be referenced for the heat test.

Temperature changes can have a significant impact on the functionality of the devices manufactured. These effects are affected by a number of features. For example, the time between one temperature and another can play a role. It is also important that the device is kept at a temperature before these temperature changes. The degree of temperature change can affect the operation of the devices. Another factor could be the actual number of temperature cycles occurring. Finally, another consideration is the amount of heat transfer that enters or exits the device under test.

Temperature changes specified in IEC 60068-2-14 occur quite frequently. Changes can affect not only systems, but also complete systems. Temperature changes are initiated by a number of different factors and events. Transporting the equipment can cause large temperature changes. Therefore, many pack test and transit test standards require temperature change test. If a device is moved from a conditioned area to an unconditional area, temperature changes can also be generated during storage.

Water can also cause temperature changes. Cold precipitation and even frost can cause significant and sudden changes in temperature. Weather can also make significant changes in temperature. If the device is installed on a mobile device such as a train, bus, car or boat, the air temperature can have a big impact.

For various reasons, the IEC 60068-2-14 test is recommended. The first is an effective assessment of electrical performance during a change in temperature. Another case addressed by this standard is the mechanical performance of a device during temperature change. Electrical and mechanical performances can also be evaluated after a certain number of rapid temperature changes.

This test standard can also help determine the ability of components to withstand sudden and dramatic temperature changes. Different materials may have varying reactions when found near other materials. In addition, the construction of the components may have difficulty withstanding the artificial stress of temperature changes.

When high temperatures occur in an equipment after it is turned on, components are often exposed to stress due to varying temperatures. For example, in the area around high-voltage resistors, radiation can cause the surface temperature to rise in neighboring components. It is not uncommon for other parts to remain cool despite the heat produced from other regions.

As stated in IEC 60068-2-22, artificially cooled components may experience rapid temperature changes when the cooling system is turned on. Rapid temperature changes in components can also occur during the manufacturing processes of the equipment. The number and amplitude of temperature changes and the time interval between them are important.

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