PERMATRAN-W 1/50 WVTR Analyzer

The PERMATRAN-W 1/50 G is designed for low cost barrier testing for Water Vapor Transmission Rate (WVTR) on films from low to high barriers. It features a removable horizontal test cartridge offering easy sample preparation and an integrated control system with digital display and touch keypad.

High Accuracy

  • Reliable high sensitivity RH sensor meeting ASTM E398
  • Detection levels down to 0.1 g/(m2*day)
  • Controlled humidification on both test and carrier gas

Easy to use

  • Removable test cartridges allow fast easy sample preparation
  • Fully automated temperature, flow and RH controls simplify testing
  • Automated test method can start a test by a single press of a button
  • Customize and store up to 99 pre-determined test methods

The PERMATRAN-W 1/50 G analyzer is designed to be easy to use and provides reliable accurate test results. Designed for both first-time users and the advanced operator this analyzer provides very accurate and repeatable test results within a wide detection range from 0.1 to 100 g/(m2*day).

The upper detection limit can be extended to 1,000 g/(m2*day) with the use of a 5 cm2 masking.

The instrument is easy to use with features such as removable horizontal test cartridge, digital display with advisory screen prompts for operator inputs, and fully automated testing providing reliable results with minimal training. The compact footprint and integrated control system require less space than other WVTR instruments.

For more than 25 years, MOCON’s PERMATRAN series of instruments have been the most trusted and longest lasting on the market. The PERMATRAN-W 1/50 G is the cost-effective option for laboratories looking to start in-house permeation testing.

Removable Cartridges
  • Easy sample prep on the benchtop
  • More consistent loading
  • One button release and loading
  • Pneumatic clamping provides more repeatable results
Automated Control Features
  • Flow, Temp, & RH control
  • Test report printing and export
  • Sensor Protection from over ranging and shortening sensor life
Digital Display with Keypad Interface
  • Intuitive automated operation requires less training
  • Set and Go automatic RH controls
  • Advisory screen prompts operator inputs
  • Integrated controls save on valuable lab space by eliminating need for PC
High Sensitivity RH Sensor
  • Dynamic RH measurement method for accurate results
  • Long sensor life
  • Accurate and repeatable results
  • Reliable RH sensor that complies with ASTM E398
  • Full 100% parts and workmanship warranty for 12 months

PERMATRAN-W 1/50 OTR Analyzer


Temperature Control Range

10 °C to 40 °C ± 0.2 °C

Humidity Control, Film Cell, Test Gas

100% and 35% to 90% RH ± 3 RH

Test Range, (50 cm2)

0.1 to 100 g/(m2 • day)
0.00645 to 6.45 g/(100in2 • day)

Test Range, Masked (5 cm2)

1.0 to 1000 g/(m2 • day)
0.0645 to 64.5 g/(100in2 • day)

Resolution, Film

0.001 g/(m2 • day)

Repeatability, Film

+/-0.05 or 2% whichever is greater

Film Size

4” x 4” Std

Film Thickness

Up to 120 Mil

Film Test Area

50 cm2

Physical Specifications

  • 17”x11”x18” (43.2 x 27.9 x 45.7 cm)
  • 49 Lbs. (22.2 kg)

Electrical Requirements

  • Voltage: 100 - 240 VAC 50/60 Hz
  • Maximum Power Draw: 300 VA
Laboratory Requirements



22 °C ± 2 °C


10 °C to 30 °C



20% to 80% RH (non-condensing)


5% to 85% RH (non-condensing)

Gas Supply Requirements

Carrier Gas

Gas Composition

Nitrogen (99.7% N2 or better)

Supply Pressure, Nominal

30 PSI, (2.06 Bar), (206 kPa)

  • Serial Printer Port RS-232
  • USB 2.0 port (for connection of memory device or computer)
Compliance Standards

This product is UL and CSA listed using the ETL mark from Intertek Group plc. and is certified to conform to CE.

Conforms to the following internationally recognized safety standards.

  • IEC 61010-1: Second Edition:2001
  • UL 61010-1: Second Edition:2004
  • CAN/CSA-C22.2 No. 61010-1-12 Second Edition:2004

Conforms to the following internationally recognized EMC standards.

  • EN 61326-1:2006
    • Class A Radiated & Conducted
    • Basic Immunity Test Requirements
  • EN 61000-3-2:2006
  • EN 61000-3-3:1995, A1:2001, A2:2003

Conforms to EU Directive 2011/65/EU RoHS Compliance.

Packaging Films

  • Monolayer
  • Multi-layer
  • Coated Films
  • Coated Paper/paperboard

Test Standard Compliance

  • ASTM E398
  • ISO 15106-1
  • GB/T 30412-2013
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