Ray, It is true, BD changed the design with the release of the Vantage to bleed off more air. It suddenly became cheaper to purchase a air/vac pump than to buy several tanks a month, so we have forgone the tanks. For all day sorts (8 hours), I think one tank would last only one and a half days. We went with a Gast pump. Eric >We had a FACS 440 for about ten years and would use (our lab doesn't have >house air) about a tank of nitrogen every several months or so. Now with >our Vantage we seem to be using a tank every couple of weeks - without any >increase in hours the flow cytometer is in operation. > >Does anyone with a Vantage have to use nitrogen (or air) in tanks? If so, >please tell me how often you have to change them for approx how much daily >usage? > >Thanks. > >Ray Hester >Univ of South Alabama /\/\/\_ Eric Van Buren, aa9080@wayne.edu \ \ \ Karmanos Cancer Institute and Immunology & Microbiology \_^_/ Wayne State University, Detroit, Michigan, USA
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