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FMS-Moisture/Pressure Headspace Analyzer

The FMS-Moisture/Pressure Headspace Analyzer is a non-destructive gas analyzer for simultaneously monitoring moisture partial pressure and total headspace pressure. This compact benchtop instrument utilizes a patented laser absorption technique developed with funding from the Food and Drug Administration.

  • Measurement Range : 0 to 1.0 atm (Total Pressure), 0 to 25 torr (Moisture Pressure)
  • Measurement Time : 1 second
  • Container Sizes : 1 to 2000 mL
  • Container compatibility : Tubing or moulded; amber or clear


The benchtop headspace moisture/pressure analyzer is used for development and QC laboratory applications as well as the final inspection of headspace moisture and pressure levels in production and/or packaging. Systems can be permanently situated in laboratories for product development, release testing, and QC investigations or mounted on carts and wheeled from line to line for in-process monitoring and troubleshooting activities.

Applications include:

  • Vacuum leak detection
  • Container closure integrity studies
  • Moisture determination of lyo product
  • Lyo chamber moisture mapping
  • Water vapor permeation studies
  • Moisture degradation studies
  • Stability trends, end-of-shelf life studies
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