Gas for analytical instruments
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Analytical instruments use instrument air; can nitrogen be used instead?
First, we need to clarify what air is used for If it is just for sweeping, nitrogen can be used. Also, it is necessary to analyze what substance it is and whether it could have an impact.
In my opinion, air is fine; nitrogen is even better, but it will increase costs.
Mainly, nitrogen is purer, and the amount used is not large
Yes, generally many factories have plans in place to divert nitrogen supply when the pressure of instrument air is low