How to test the quality of liquid nitrogen tank bought good? Next, the days of Chi liquid nitrogen tank technicians to tell you a few, quickly determine the quality of liquid nitrogen tank method:
① the use of the tank in the process of use, every day should always check the use of the jar, the liquid nitrogen in the tank under the premise found on the bottle cap and the upper part of the water droplets or frosting, indicating the quality of the jar, should immediately stop using;
② On the bottle cap and the upper waterless beads or frosting phenomenon, touch the shell by hand, feeling the upper part of the cold, the lower part of the heat, indicating that there are some problems with the quality of the jars, which increase the liquid nitrogen, should pay attention to observe and prevent After liquid nitrogen depletion, the stored material damage, if necessary, it is best to stop using; if the temperature up and down the same, that the quality of the jar is no problem.
③ open the cork, the bottle mouth fog does not spill, and sink, indicating that the jar is good.
④ ears with jar from the mouth to hear whether the bubble sound,If the bubble sound is more frequent bubble sound jar quality problems,On the other hand no problem.