This Dual-Stage Regulator is used with NexION 2000 ICP-MS series instruments. This regulator features a stainless steel diaphragm and barstock, as well as a delivery pressure range of 0-30 psig and CGA 660 fitting.. Dual Stage regulators will maintain a more constant outlet pressure - even as the pressure in the cylinder declines. So, if your application is one where gas flow is on for long periods, and pressure changes are not desirable - then you should choose a dual stage regulator.
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