IEC 60068-2-30 is the definitive standard for evaluating how components and equipment withstand high humidity combined with cyclic temperature changes. This test simulates the “breathing effect” where temperature fluctuations cause air pressure changes inside a device, pumping moisture in and leading to condensation. It is critical for ensuring product reliability in tropical or uncontrolled outdoor environments.
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This testing protocol is essential for any product likely to encounter condensation or high-humidity storage conditions, including:
The testing scope involves subjecting the "Specimen Under Test" (SUT) to a 24-hour cycle that stresses the unit thermally and mechanically via moisture:
The timeline is strictly dictated by the severity level (number of cycles) required by your specific product standard. Common durations include:
Note: Allow an additional 2-3 days for the final test report generation.
Pricing is variable and depends on three factors:
To initiate the testing process, the following documents are required:
This test evaluates a product's ability to withstand high humidity combined with cyclic temperature changes. It simulates condensation conditions to detect potential corrosion, insulation breakdown, or material degradation.
Part 2-30 uses temperature cycles to force condensation on the product, known as the "breathing effect." Part 2-78 maintains constant temperature and humidity, which is a less severe, static stress test.
It is critical for automotive components, outdoor telecommunications, and railway equipment. Any device operating in tropical climates or unregulated outdoor environments must undergo this cyclic testing to ensure long-term durability.
Yes, it is often a normative requirement within product standards like IS 9000, ISO 16750, and EN 50155. It validates durability claims required by regulatory bodies and major OEM buyers.
Failures typically include short circuits due to moisture ingress, corrosion of metal contacts, or swelling of plastic enclosures. These issues indicate that the product's sealing or conformal coating is insufficient.
Absolutely. The testing laboratory must be accredited under ISO/IEC 17025 (NABL in India). Reports from unaccredited labs are generally rejected for official compliance registrations like BIS or international CE marking.
We typically require one to two complete, functional units. If active monitoring is needed during the test cycle, you must also provide all necessary mating connectors and power cables.
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