High-Humidity Environmental Chamber - 98%RH Dew Point Control

    Temperature and Humidity Test Chamber is used to test the performance of materials in various environments and test the heat resistance, cold resistance, dry resistance and humidity resistance of various materials. Suitable for testing the quality of products such as electronics, electrical appliances, mobile phones, communications, meters, vehicles, plastic products, metals,food, chemicals, building materials, medical care, aerospace, etc.

TEST CHAMBER APPLICATIONS
1. To simulate test environment with different temperature and humidity
2. Cyclic test includes climatic conditions: holding test, cooling-off test, heating-up test, moistening test and drying test…
3. Cable port with flexible silicone plug for cable routing to provide the condition of test unit under operation
4. Uncover test unit weakness in a short-term test with accelerated time effect

High humidity environmental chamber-98%RH dew point control

1. Test purpose

The high humidity environment chamber is mainly used to evaluate the durability and performance changes of materials under high humidity conditions. By simulating the high humidity conditions in the actual use of the environment, you can assess the stability, corrosion resistance, mechanical properties of materials under these conditions. The high humidity environment chamber can provide a stable test environment, which helps to simulate various temperature and humidity conditions in the actual use of materials, so as to assess the performance and safety of materials.

2 Test Methods

2.1 Sample Preparation

Sample size and shape: Prepare samples of appropriate size and shape according to the test standards and equipment requirements.

Sample surface treatment: Ensure that the sample surface is clean, flat and free of impurities such as oil, dust, etc.

2.2 Test condition setting

Temperature and humidity setting: set the temperature and humidity conditions in the test chamber according to the test standard or actual application environment. The common humidity range is 20% to 98% RH, and the high humidity environment box can reach 98% RH.

Test time: According to the test purpose and material properties, set the test time, usually from a few hours to hundreds of hours.

2.3 Test Procedure

Put the sample into the test box: Make sure the sample is evenly distributed in the test box to avoid mutual contact or blockage.

Start the test: After setting up the test parameters, start the high humidity environment box and begin the test process.

Real-time monitoring and recording: During the testing process, the equipment will monitor and record the environmental parameters such as temperature and humidity, as well as the performance changes of the samples in real time.

Periodic inspection: During the testing process, check the status of the samples regularly, such as appearance changes, performance degradation, etc.

3. Application Scenarios

3.1 Material R&D

New material evaluation: In the process of new material development, evaluate the performance of materials under different humidity conditions, such as tensile strength, hardness, toughness, etc., through the high humidity environment box.

Material optimization: According to the test results, optimize the formulation and preparation process of the material to improve the durability and environmental adaptability of the material.

3.2 Quality control

Material testing in the production process: In the production line, use the high humidity environment box to test the raw materials or semi-finished products to ensure that their performance under different humidity conditions meets the requirements.

Finished product testing: High humidity environment testing of final products to ensure the reliability and stability of products in actual use.

3.3 Electronic Components Testing

Humidity resistance test of electronic components: test the insulation and conductivity of electronic components in a high humidity environment.

Durability test of circuit boards: evaluate the corrosion resistance and mechanical properties of circuit boards under different humidity conditions.

3.4 Automotive materials testing

Durability test of automotive interior materials: evaluate the color stability and abrasion resistance of automotive interior materials under different humidity conditions.

Environmental adaptability test of automotive electronic system: test the performance and reliability of automotive electronic system in high humidity environment.

4. Common Test Items

High humidity aging test: Evaluating the performance changes of materials under long-term high humidity conditions, such as mechanical property degradation, appearance changes, etc.

Damp heat cycle test: simulate the performance of materials in an environment with alternating temperature and humidity changes to assess their durability and stability.

Corrosion Resistance Test: Evaluates the corrosion resistance of materials in high humidity environments, such as rusting of metals and degradation of plastics.

Electrical performance test: test the insulation and conductivity of the material under different humidity conditions.

5. Key points for equipment selection

Technical parameters: to ensure that the equipment temperature and humidity control range, accuracy, volatility and other technical parameters to meet the test requirements.

Sample capacity: according to the size and number of test samples, select the appropriate equipment capacity.

Data Recording and Analysis Function: Choose the equipment with real-time data recording and analysis function, which is convenient for analyzing the test results and generating reports.

Safety performance: the equipment should be equipped with multiple safety protection mechanisms, such as over-temperature protection, over-voltage protection, etc., to ensure the safety of personnel and equipment in the testing process.

6. Dew point control method

The high humidity environment chamber realizes high humidity environment by precisely controlling the dew point temperature. Common dew point control methods include:

Cold Mirror Dewpoint Meter: Measure the dewpoint temperature by cooling the mirror so that water vapor condenses. This method offers high accuracy and reliability and is suitable for high precision testing at the laboratory level.