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Mocon PERMATRAN-W Model 3/34 – WVTR

The PERMATRAN W 3/34 water vapor permeation instrument is designed specifically to increase your lab’s efficiency, streamline your operations, and improve throughput.


Product Description

The PERMATRAN W 3/34 water vapor permeation instrument is designed specifically to increase your lab’s efficiency, streamline your operations, and improve throughput. Your operators will now spend less time setting up and monitoring permeation tests, allowing them to achieve more in less time.

A new user interface and increased automation makes testing easier than ever before with less skill required, reducing the costs associated with training new employees or transitioning responsibilities within your company. In certain applications, starting a new test may be as simple as a single press of a button. Your operators can now pre-program a variety of tests and different conditions and run them sequentially without operator intervention.

We’ve also taken the guesswork out of calibration. New technologies allow the PERMATRAN-W 3/34 to automatically assign the ideal calibration mid-test based on trending data, instead of requiring your operator to predict the outcome before they start the test. This means you’ll never have to rerun a test due to a mistaken calibration choice.

Features of MOCON PERMATRAN W Model 3/34

Easier to use

• Fully automated temperature and humidity controls
• Automatic calibration selection
• Simplified sample preparation
• Touch screen interface

More Throughput

• Elimination of individual zero
• Less re-tests as a result of incorrect calibration

Increased Productivity

• Elimination of individual zero
• Save on labor hours with less in-test monitoring
• Remote access and control

Supported Standards by Mocon PERMATRAN W Model 3/34

  • ASTM F1249
  • TAPPI T557
  • JIS K-7129 Films
  • ISO 15106-2

Mocon | Permeation Instrument | WVTR | Water Vapor Transmission Rate

Additional Information





Tests Performed

Water Vapor Transmission Rate (WVTR)

Test Range

0.005 – 100 g/(m 2 · d)
0.000025 – 0.5 g/(pkd · d)


±0.005 g/(m2 · d) or 2% of reading whichever is greater at 50 cm2


0.001 g/(m2 · d)

Temperature Test Range

10C – 40C ±0.2C

Film test cells per module

2 x 50 cm 2 (pneumatic clamping cells)

Package Testing

Optional package testing adapter cells available

Relative Humidity (RH) Range

– Films – 0%. 5% – 90% and 100%
– Test gas – Not controlled by instrument – Use Dry Nitrogen
Packages Ambient (Or with custom temperature cabinet

Test Sample size

Films – 4.0 in x 4.0 in (10.2 cm x 10.2 cm)
Packages – Up to 3 liters per package

Test Database

Automatically saves up to 100 tests

Barometric pressure compensator

Set up to 10 different RH and temperature tests for same film

Automatic Sequential Testing

With one set up, test 10 different RH and temperature parameters for the same film

User Interface

– Touch screen with optional keyboard and mouse,
– remote access capable with optional PermNet Lite
– Ethernet and USB ready


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