Nitrogen gas use for a Waters Micromass Qtof Premier and Waters QDa

We have purchased a Waters Micromass Qtof Premier and a separate QDa. We are getting everything ready for installation and I was wondering if anyone knew what the typical nitrogen gas usage is for each of these instruments? We were hoping to get either one or two nexAir LN2 tanks for these mass specs but were unsure how long they would last. Thanks!


  • Hi MatichEryn - The Nitrogen consumption in the Site Preparation guide is listed as 600-1200 L/Hr for each instrument.  I'd always assume the higher rate to ensure that you don't effect the data.