IEC 60068 Environmental Testing Standard

IEC 60068 is a series of international standards developed by the International Electrotechnical Commission (IEC). It is used for environmental testing of electronic products, components, and equipment.

This standard specifies various test methods. It aims to evaluate product performance under different environmental conditions, including low temperature, dry heat, humid heat, temperature changes, vibration, and other stresses.

Environmental test chambers are commonly used to perform IEC 60068 tests. They meet the standard requirements by providing controlled temperature, humidity, and other test conditions.

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What is the IEC 60068 standard?

IEC 60068 is a series of environmental testing standards. This standard helps manufacturers test  their products under simulated environmental conditions. These include reliability and durability.

This standard is widely used in:

  • Electronic components
  • Electrical equipment
  • Automotive and aerospace parts
  • Industrial equipment
  • Battery products

IEC 60068 does not define product performance requirements. It simply provides standard testing procedures and environmental conditions to test product performance.

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Temperature And Humidity Chamber

Key Test Methods

IEC 60068-2-1 Cold Test

IEC 60068-2-1 specifies the test method for evaluating a product’s ability in low-temperature environments.

This test is typically used to identify potential failures caused by low temperatures. These include material brittleness, performance degradation, and component failure.

Typical application areas include:

  • Electronic components
  • Automotive electronics
  • Outdoor equipment
  • Battery products
  • Common equipment:
  • Low-temperature test chambers
  • Environmental test chambers

IEC 60068-2-78 Damp Heat Steady State Test

IEC 60068-2-78 assesses a product’s ability to withstand constant high-temperature and high-humidity environments.

During testing, samples are placed in a stable temperature and humidity environment for a period of time to check their resistance to moisture-related damage.

This test helps identify:

  • Corrosion risk
  • Degradation of insulation performance
  • Material aging
  • Electrical performance problems
  • Common equipment:
  • Temperature and humidity test chamber
  • Constant temperature and humidity test chamber

IEC 60068-2-38 Composite Temperature/Humidity Cyclic Test

IEC 60068-2-38 tests a product’s resistance to combined temperature and humidity stresses through cyclic testing.

This test method simulates more complex environmental conditions through repeated temperature and humidity changes.

It is commonly used in:

  • Electronic equipment
  • Precision components
  • Automotive parts
  • Industrial products
  • Common equipment:
  • Temperature and humidity cycling test chamber

IEC 60068-2-30 Damp Heat Cyclic Test

IEC 60068-2-30 mainly tests product durability under cyclic damp-heat conditions.

This test exposes the sample to repeated changes in high humidity and temperature conditions. This helps to test its long-term reliability in humid environments.

Typical application areas include:

  • Electronic equipment
  • Communication equipment
  • Control systems
  • Outdoor products
  • Common equipment:
  • Humidity test chamber
  • Climate test chamber

IEC 60068 Test Conditions

Depending on the product requirements, IEC 60068 testing may involve different environmental conditions.

Common test parameters include:

  • Temperature

The test temperature range may range from extremely low temperatures to high temperatures.

  • Humidity

Humidity testing is used to test a product’s reliability in humid environments.

  • Temperature Change Rate

The temperature cycling test is used to verify the durability of a product under repeated temperature changes.

  • Exposure Time

The exposure time depends on the selected IEC 60068 test method and product requirements.

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temperature and humidity chamber

Environmental Test Chamber Requirements

To perform IEC 60068 testing, the environmental test chamber needs to provide stable and repeatable test conditions. The performance of the test chamber directly affects the accuracy and reliability of the test results.

  • Stable temperature and humidity control

The test chamber should maintain the same temperature and humidity throughout testing. Samples are tested under consistent environmental conditions.

  • Uniform Testing Environment

A well-designed airflow system helps to distribute temperature and humidity within the test chamber.

  • Reliable long-term operation

IEC 60068 testing typically needs continuous operation for hours or even days. The test chamber is designed to ensure stable performance during long-term testing.

  • Test Data Monitoring and Recording

Users should record temperature, humidity, and test conditions during the test. This allows users to check results and verify whether the testing meets the required standards.

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Environmental Test Chambers for IEC 60068 Testing

Our environmental test chambers are designed to support various IEC 60068 environmental tests, including:

  • Cold test
  • Dry heat test
  • Damp heat test
  • Temperature cycling test
Temperature Test Chamber

Temperature Test Chamber

Humidity Test Chamber

ots-technik-Thermal-Shock-Chamber -Three-Box Type

Thermal Shock Chamber

Walk-in Temperature Humidity Test Chamber

Walk-in Environmental Chamber