This product is part of sampling and installation parts for Arnel analyzer consumables.
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NULL OR EMPTY CART
Full NIST traceability using established EPA and ASTM protocols by using the appropriate combination of permeation devices. The permeation tubes are certified to be permeating at a certain weigh and threshold (~+/– 2%). Uncertified tubes have an estimated rate and a very large threshold, up to + /– 25%.