Instruments for Permeation Measurement - Service Measurements


Ultra-low WVTR Measurement
~10-5 g/m2/day (@40°C)


DELTAPERM
  • Universal Permeation Tester for gases and vapours
  • ISO 15106-5 (2020)
  • Spec: WVTR < 5×10-5g/m2/day (@40°C)
  • Temperature range up to 100°C
  • Variable RH
  • No carrier gas required
  • Options:
    • Extended range (>100g/m2/day)
    • Diffusion and sorption calculations
   

The example shows a measurement of the WVTR of a barrier film at T=40°C. The left half of the red curve shows a WVTR of about 6.5×10-5g/m2/day @40°C/90%RH. The right part of the red curve measured without water vapour @40°C/0%RH is clearly distinguishable with a WVTR of about 5×10-5 g/m2/day.

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