1. Do not open the vacuum switch at will, so as not to inhale a large amount of dust when the suction pipe is sealed with the sample, and cause the filter to be blocked. The suction port can be sealed with a rubber plug to avoid misoperation. 2. Clean the filter. Open the right side panel of the...
The water storage in the humidifier should be replaced once a month to ensure the water quality is clean, and the humidifying pan should be cleaned once a month to ensure the smoothness of the water. Inspection of the over-temperature protector of the constant temperature and humidity testing...
1. The internal impurities should be removed before the operation of the constant temperature and humidity testing machine. 2. The power distribution room is cleaned at least once a year, and the dust in the room can be removed with a vacuum cleaner when cleaning. 3....
1. Look at the spring of the compressor. When the damping spring of the compressor is deformed, the pressure regulation will become unstable, causing the compressor to produce large pressure fluctuation noise during operation. At this time, the spring needs to be replaced. At the same time, pay attention to the...
1. The shell of the thermal shock test chamber is made of cold-rolled thin steel plate, and the surface is sprayed with plastic, which is beautiful and durable. The inner tank working room is made of 304 stainless steel plate, and the inner surface is smooth and clean. 2. The refrigeration...
Beautiful appearance is very important, craft details are even more important! Process is one of the key factors that determine the level of product quality!
High-temperature aging test-expose the defects of components, welding and assembly and other hidden dangers in the production process in advance, and then conduct electrical parameter measurement after aging, screen out the failed or variable value components, so that latent faults appear in advance, and make them...
1. The machine needs pure water to add humidity water. 2. When the machine's high temperature exceeds 85 degrees, please remove the gauze to prevent the gauze from turning yellow. 3. The gauze is removed and cleaned once a month, and one piece is replaced every quarter. The...
Domestic and foreign research on history and status quo. Foreign research on environmental storage is relatively early and the level is relatively advanced. As early as 1985, the American Composite Panel Association introduced a large cabin method J to measure the amount of formaldehyde released from wood. A year...
Environmental Chamber (Environmental Chamber), also called climate chamber in China, refers to a man-made design and construction that can simulate the real indoor space environment, and can control its temperature, humidity, airflow speed, air exchange frequency and other environmental factors through relevant...
1. The power supply equipment and the power supply line should be equipped with an overload fuse device, which has a special and good grounding device for the chamber. 2. Sample preparation. After numbering the samples one by one, place them on the turntable, and try not to touch or collide...
1. The input power supply voltage is too low. If only the allowed working voltage is low, the compressor current will be too large. 2. Repair the short circuit between the compressor turns, but it did not reach the level of cutting off the fuse. 3. Repair the secondary friction...