Pfeiffer Vacuum

August 8, 2012
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Portable Leak Detector

The MiniTest 300 is the first vacuum leak detector with quartz window technology. Helium is not detected as it usually is with a mass spectrometer but with a quartz window sensor. Weighing only 11 pounds, the MiniTest 300 is excellently suited for mobile leak detection and is therefore the ideal companion for on-site service calls. The MiniTest 300 operates at a working pressure of up to 200 mbar, without requiring additional pressure reduction. In comparison to a traditional leak detector with a mass spectrometer as a helium sensor, this is a significant advantage with respect to labor costs, materials used and overall cost. The detection limit of 5 x 10-7 mbar l/s enables its use for leak detection in many industrial applications, including coating and vacuum systems as well as vacuum furnaces.

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