Water Vapor Permeation Systems

Water Vapor Permeation Systems

PERMATRAN-W® Model 3/34

A stand along fully automated water vapor transmission rate (WVTR) system. Test in the same range as the PERMATRAN-W model 3/33 G. Ideal for those who need fast and accurate results. Easy to use for those new to permeation while offering the features needed for advanced users. Automatic maintenance of RH, temperature, pressure and flow. Complies with ASTM F-1249, JIS K7129 films and TAPPI T557.


  • Complies with ASTM F-1249. TAPPI T557. JIS K7129. ISO 15106-2
  • TotalCal™
  • Stand alone with integrated computer
  • Intuitive touch screen interface
  • On-board data storage
  • Fully automated testing
  • Advanced testing with manual control
  • Faster time to results
  • Faster set up
  • Easy film placement
  • Horizontal pneumatically clamped test cells
  • Auto control of RH, pressure and flow
  • Auto temperature control
  • Auto sequential testing
  • Auto test save and printing
  • Package testing adapter (Optional)
  • High purge rate for packages
  • Fast, simple change from wet to dry testing
  • TruSeal® test cell
  • Ethernet and USB ready
  • Gas saver
  • Sensor over-range protection
  • Circuit board protection
  • Built-in calendar
  • Remote diagnosis
  • Individual Zero obtained on actual sample

PERMATRAN-W® Model 3/33 Series

This two cell water vapor transmission rate (WVTR) testing system is ideal for testing flat films, finished packages and components. It consists of 3 separate master instruments which can be expanded up to 9 satellite units, providing a total of 20 cells. These instruments offer our widest sensor range for WVTR testing. Complies with ASTM F-1249, TAPPI T557, JIS K-7129 and 21 CFR Part 11.


  • Self-contained pump and plumbing
  • Enclosed test chamber
  • Probes, flow and purge controls on test cell platform
  • Water level view port (on G version only)
  • System status indicators
  • Built-in selectable reference cell
  • Patented dual test cell per module
  • Proprietary modulated infrared sensor
  • Electronics and master control boards communicating with computer and MOCON permeability software (WinPerm®)
  • Self-contained heating/cooling unit on sub-ambient temperature controlled modules
  • Expandable up to 20 test cells (10 modules)
  • Computer-determined equilibrium
  • Double-cell film testing mode with increased sensitivity
  • Optional Package Environmental Chamber (PEC) for package testing under precise temperature and relative humidity environments


For those who need to measure WVTR of ultra-high barrier films and packages. The AQUATRAN Model 2 measures water vapor transmission rates accurately and repeatable to 5×10-5 g/(m2 · day). Conforms to ISO 15106 – 3.


  • Conforms with ISO 15106-3
  • TruSeal® test cell
  • Improved electronics – lower base “noise” level
  • Improved block design
  • AQUATRACE® Gold Sensor
    • Absolute measurement
    • No calibration required
  • Two test cells per module
  • Flexibility to add satellite modules
  • WinPerm® Software
  • Reads to 5×10-5 g/(m2 · day) accurately and repeatably
  • Longer sensor life

PERMATRAN-W® Model 700

This water vapor transmission rate (WTVR) testing system with 7 test cells is ideal for those in need of high throughput permeation testing. It can test both flat films and finished packages in quality control and research and development applications. Complies with ASTM F-1249 and TAPPI T557.


  • Complies with ASTM F-1249. TAPPI T557. JIS K7129
  • Quick Start functionality
  • Seven test cells
  • Pneumatic clamping
  • Automatic electronic flow control
  • CFR21 Part 11 compliant
  • Multiple-user situations are standard
  • Test up to seven films or finished packages simultaneously in any combination
  • Easy film placement with removable test cells
  • Operator friendly Windows® based software
  • Easy sample preparation
  • Detailed individual test reports and summary module test reports
  • Cells are designed to accommodate blister packs for use in the pharmaceutical industry


This six cell water vapor transmission rate (WVTR). It’s ideal for measuring WVTR in materials such as nonwovens, linens, textiles, breathable materials, plastic films and paper. Complies with ASTM D6701 – 01.


  • Complies with ASTM D6701 – 01.
  • Test six cells simultaneously
  • Sample test time in minutes
  • Precise temperature measurement and control
  • Flow and barometric pressure correction
  • Computer controlled
  • No need for reference films

PERMATRAN-W® Model 398

This two cell low maintenance water vapor transmission rate (WVTR) testing system is designed for flat films with medium to high barriers. It is ideal for polymer films and coated paper samples. Complies with ASTM 398.


  • Complies with ASTM E-398
  • Two test cells
  • Compatible with PermNet® database and networking software
  • Set of three calibration films provided
  • Real time sensor analysis
  • Stored calibration history
  • Quick Start functionality
  • Built-in help menu
  • Broad range of automatic temperature and RH testing
  • Expandable up to 10 modules
  • Easy test method storage and retrieval

PERMATRAN-W® Model 3/61

This six cell water vapor transmission rate (WVTR) testing system can test both flat films and finished packages. Ideal for users who want fast accurate testing for use in production and QA/QC. Complies with ASTM F1249, TAPPI T557 and JIS K-7129.


  • Complies with ASTM F1249. TAPPI T557. JIS K-7129
  • Six test cells for maximum throughput
  • Test flat films or finished packages
  • Quick Start functionality
  • Precise RH and temperature measurement and control
  • Windows® based software interface
  • User selectable sensitivity
  • Automatic flow compensation
  • Real world conditions testing
  • N.I.S.T. Traceable
  • Easy export of test results
  • Remote diagnostics
  • Test up to six samples simultaneously
  • Easy sample placement
  • Expandable up to 60 test cells

PERMATRAN-W® Model 1/50

A single cell low-cost water vapor transmission rate (WVTR) testing system for films. A cost-effective option for in-house permeation testing. Ideal for high transmitters and porous materials. Complies to ASTM E398 and TAPPI 523 standards.


  • Complies with ASTM E398. TAPPI 523. ISO 15106-1
  • Advisory screen prompts operator input
  • Safety systems prevent sensor damage
  • Set and go automatic RH controls
  • Step-by-step calibration screens
  • Achievable, downloadable data
  • Pneumatic clamp for consistent clamping force
  • Small footprint
  • Built-in software minimizes user error
  • Designed for a lifetime of daily use
  • No flow adjustment required
  • Quick Start function speeds set-up time
  • Convenient film mounting