What type of pressure gauge is used for storing and filling liquid nitrogen?
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The key aspect of liquid nitrogen is its very low temperature; what type of pressure gauge can be used to measure it accurately?
The pressure gauge itself does not generate flow; cold energy is transferred only through heat conduction. So, as long as there is a catheter of a certain length, it will do; any ordinary pressure gauge can be used for measurement, for reference.
Yes, there’s absolutely no need to worry about low temperatures. As an additional note, ammonia-specific pressure gauges should be used when making the selection
Any pressure gauge will do, as nitrogen is an inert gas.