How often does the liquid nitrogen in the tank need to be measured and how much time is left to start replenishing? Many users will ask this question, Tianchi Technology answers: You should measure the amount of liquid nitrogen in the tank at least once a week. The liquid nitrogen should not be less than 5 inches. Lower levels of liquid nitrogen may thaw some of your products, so you need to replenish liquid nitrogen in time.
Method for checking liquid nitrogen residue:
1) Level measurement method
2) Weighing Method
3) Wood stick method
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