In the last section, we talked about that the high and low temperature test chamber refrigeration system does not cool down because the dust on the condenser is too much, and the dust on the condenser can be cleaned. If there is no such situation, you need to watch the reading of the refrigeration pressure gauge. The static pressure will generally be above 6 kg (or 90 psi, the innermost one of the pressure gauge). If it is lower, there may be leakage of refrigerant, resulting in insufficient cooling capacity. The refrigeration system needs to be overhauled and contacted by the Yashlin Service Department in a timely manner.
3. Slow cooling
Determine if the thermal load of the high and low temperature test chamber is too large or the blower does not turn, or if the test sample is piled up too much in the test chamber (normally, it does not exceed one third of the total volume of the test chamber), resulting in the wind not being able to Cycle, temperature fluctuations; then check if the door is not closed, whether there is air leakage, check whether some solid state relays are broken down (such as heating 2 solid state relays, 1 breakdown), causing some heating pipes to heat up To offset part of the cooling capacity, resulting in the illusion of slow cooling, if none of the above conditions, it is considered that the test box is slow or not at all to the required temperature point, and the refrigerant factor should be considered.
Common sense of makeup remover:
Thorough cleansing of the skin and thorough removal of makeup are absolutely the foundation of beauty. Although removing makeup is not complicated, this process will always be carried out at the end of the day when you have to rest. At this time, many people have no patience and energy to remove foundation, eye shadow, Lipstick and stubbornness after a whole day of hard work. I wear my Mascara, go to bed with residual makeup and hug my head to sleep. If things go on like this, how can my skin not have embarrassing problems? So even if you are tired, you must completely remove residual makeup on your face, but don`t wipe it indiscriminately or hurt your skin. You must follow the steps, especially the key makeup parts such as the eyes and lips.
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