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MEWOI-WVTR 220 Water Vapor Permeability Tester

MEWOI-WVTR 220 Water Vapor Permeability Tester

2023-07-11 17:16:05  

MEWOI-WVTR 220 Water Vapor Permeability Tester

  • Main Features :
  • Serial No. :
Contact US For Quotation  Whatsapp&Wechat:+8619925688679


WVTR 220 is based on the infrared sensor method and available for the water vapor permeability test of flexible films, sheeting and packages. It can test 3 specimens in one operation with independent results.


 Infrared sensor method
Own technology
Film and package test
3 specimens test simultaneously and independently
One-button test, test automatically in whole process
Multiple test modes optional
Data curves display
Computer control
Digital flow adjustment
3 Chambers with 3 temperature sensors
Environment temperature and humidity sensor inside
Chambers water bath technology
Unit based on embedded system,24bit Δ-Σ AD
Pressure, ppm water sensor and  temperature overload protection
Traceable reference film calibration
Supports DSM system (DSM, lab data management system)


Test range
Film:  0.005-42 g/m2·24h (Standard)
0.05-1000 g/m2·24h (Optional)
Resolution: 0.001 g/m2·24h
Package: (optional)0.0001~0.3 g/pkg·d
Specimen amount
3 specimens, independent
Temperature range
5C – 95C
Temperature accuracy
Humidity range
0%RH,35%RH-90%RH,100%RH, standard condition 90%RH
Humidity accuracy
Test area
Specimen size
Film:  size: >=150mm * 94mm; thickness: less 3mm
Package: max size: D120mm * 400mm
Carrier gas
99.999% Nitrogen
Carrier flow
Gas interface
Power supply
AC 220V 50Hz
730mm(L) * 590mm(W) * 350mm(H)
Net weight:


ISO 15106-2, ASTM F1249, GB/T 26253-2010, TAPPI T557, JIS 7129


Delivery: Main unit, computer, W-TRANS software, temperature controller, tank regulator, PCIE card, communication cable, sample cutter, vacuum grease.

Optional: Package fixtures, reference film, vacuum grease, sample cutter, DSM system.

Note: Specifications are subject to change without prior notice.

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