How to judge the quality of small liquid nitrogen tank (buyer's notice)
Editor:adminClick：
Time:2019-09-17 09:28
Before purchasing, we need to consider not only the price, but also the heat preservation, daily evaporation, vacuum degree of the pot. These points are related to the later use. If this kind of phenomenon occurs in the use of the container, it will probably affect the progress of our work, but also bring some unnecessary troubles. Specific judgment methods can be filled with liquid nitrogen test to see whether it meets the product specifications. So how to check the quality of containers in use? The specific methods are as follows:
1. When the container is in use, it is found that there are droplets or frosting on the top and top of the bottle cap, indicating that the quality of liquid nitrogen tank is not good, it should be stopped immediately.
2. If there are no water droplets or frosting on the top and top of the liquid nitrogen tank cap, touch the shell with your hands, feel the upper part cold and the lower part hot, indicating that there are some problems in the quality of the liquid nitrogen tank, that is, the daily increase and loss of liquid nitrogen is larger, you should pay attention to observation, prevent the damage of the stored substances after the liquid nitrogen is depleted, and stop using it when necessary. The lower temperature is the same, indicating that there is no problem with the quality of the pot.
3. After opening the bottle stopper, the mist in the bottle mouth does not overflow, but sinks, which shows that the liquid nitrogen tank is good.
4. Listen to the bubbles in the liquid nitrogen tank with your ears from the mouth of the bottle. If the bubbles are more frequent, the quality of the liquid nitrogen tank will be problematic, and vice versa.
If you are interested in the panchao liquid nitrogen tanks or need to consult, please click on our online customer service, or call us.
Welcome sending your inquiry:
Phone / WhatsApp: +86 13343800331
Email: info@n2tank.com
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