The quartz tube is heated with a platinum filament and becomes permeable to helium As the partial pressure of helium in the ion pump increases, so does the current. It is light weight, easy to use, and comes with a rechargeable battery with a 4 hour operative range. High sensitivity truly portable, compact battery power light weight (2,6kg) ideal for field maintenance applications simplified interface with only 2 cables (power & communications) interface
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