Proper setup of the test specimen in a high-low temperature and humidity alternating test chamber is crucial for accurate and reliable testing. The correct placement of the product not only ensures safety but also maintains the integrity of the test results. But how should the test sample be arranged? Are there specific guidelines, and what factors should be considered?
First, the item under test should be placed in the center of the test chamber, ensuring that it doesn't block the airflow above. Never place the sample directly on the chamber's surface; instead, use an adjustable sample rack based on the size, shape, weight, and number of products. If external power is required, connect the wires to the designated test hole—avoid coiling the cables and always check for any damage or potential hazards.
Second, when conducting frequent high-low temperature and humidity tests, small components are often used. However, standard sample racks provided by manufacturers typically have 5x5mm holes, which may not be suitable for smaller items. In such cases, it’s advisable to contact the manufacturer in advance to adjust the spacing or bring your own custom tray.
Third, if the test item is a liquid, it must be securely sealed in a suitable container. For volatile, flammable, or highly combustible substances, avoid exposing them to excessively high temperatures to prevent spills or explosions. If the item is rubber, use a protective plate to prevent it from sticking to the sample rack when melted at high temperatures, as this can be difficult to clean.
HUMGINE offers a wide range of environmental testing equipment, including high and low temperature test chambers, high and low temperature humidity test chambers, environmental test chambers, high-temperature test chambers, HMDS vacuum ovens, clean ovens, dust-free ovens, and car tire grinding ovens. These products are designed to meet various testing requirements and ensure precision in every test cycle.
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