How to determine the amount of nitrogen machine required
If you are using bottled nitrogen, you can calculate the amount of nitrogen used per hour based on the amount of bottled nitrogen used. In the purchase of nitrogen machine can be appropriate to increase the flow, to ensure that a margin. If you don't use bottled nitrogen, you can also buy it before you do the experiment.
If liquid nitrogen is being used, the amount of nitrogen required per hour can also be calculated according to the amount of liquid nitrogen, and then the model of nitrogen making machine can be selected based on the discharge margin. If the box is filled with nitrogen or has space, the approximate amount of nitrogen can also be calculated according to the box volume, space of articles and other factors.
