Constant temperature and humidity test chamber requirements for special samples


When we do the constant temperature and humidity test, we have clearly defined the shape, volume and placement of the test sample. Today, the author will give a detailed introduction to the specific requirements of the constant temperature and humidity test chamber for the test sample:

The shape of the test sample: 1. If the item to be tested is liquid, it must be filled with the container during the constant temperature and humidity test, and it should not be spilled. 2. If it is a volatile, flammable and explosive item, it can't be put into the test box for testing. If it is necessary to do the test, the equipment should be explained with the manufacturer before the order is ordered, and the manufacturer is required to carry out special treatment on the equipment to prevent danger. 3. If the test sample is a rubber-based product, it needs to be placed on the plate in advance under the plate so as not to melt onto the sample holder during the high-temperature test.

Sample volume: We recommend that the customer's test sample volume should not exceed 1/3 of the inner volume of the constant temperature and humidity test chamber. Because if it is exceeded, it may affect the air circulation in the test chamber, thus affecting the test uniformity.

Placement position: The test sample is placed in the middle of the constant temperature and humidity chamber. It can neither cover the upper air duct nor be placed at the bottom. It is necessary to adjust the sample rack according to the size, weight and quantity of the test sample. the distance.

恒温恒湿试验箱对特殊试样的要求


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