Water Vapor Permeability Tester W201

W201 Water Vapor Permeability Tester is manufactured based on the infrared sensor method and is applicable to test the water vapor transmission rate of medium and high barrier materials.

Product Introduction

The W201 Water Vapor Permeability Tester is manufactured based on the infrared sensor method and is applicable to test the water vapor transmission rate of medium and high barrier materials such as plastic films, composite films, sheets, papers and other various materials.

Product Features

  • 7-inch color touchscreen with graphical user interface (GUI).
  • This instrument is designed and manufactured according to the infrared sensor method and meets the requirements of ISO 15106-2 and ASTM F1249.
  • High precision sensors ensure high accuracy and repeatability of the WVTR measurement system.
  • Equipped with a dual-flow dry-wet humidity control system, it can achieve three-stage humidity control ranges: 0% RH, 35% to 90% RH, and 100% RH, with an accuracy of up to ±1% RH.
  • The high-precision temperature control system can precisely regulate temperature within the range of 10°C to 60°C, with an accuracy of up to ±0.1°C.
  • A reference film for fast calibration ensures accurate and universal test data (optional).
  • The instrument is equipped with SAICHENG's latest operating software, featuring a user-friendly interface, intelligent data processing, strict user management, secure data storage, electronic signature, etc.
  • Equipped with micro-printer and standard USB interface.

Test Principle

The test specimen is mounted in the diffusion cell, which is divided into a dry chamber and a controlled humidity chamber. A flow of dry nitrogen sweeps the dry side of the specimen, while the dry nitrogen carries the water vapor permeating through the specimen from the controlled humidity chamber to an infrared sensor. This sensor generates proportional electrical signals based on the water vapor concentration. The water vapor transmission rate is determined by analyzing and calculating these electrical signals. For package samples, dry nitrogen flows inside the package, while humidified nitrogen flows outside.

Test Standards

This test instrument conforms to many national and international standards:

ASTM F1249, ISO 15106-2, GB/T 26253, JIS K7129, YBB00092003-2015

Applications

Basic Applications

Films
Including plastic films, plastic composite films, paper-plastic composite films, geomembranes coextruded films, aluminized films, aluminum foils, aluminum foil composite films, and many others

Sheeting
Including PP sheet, PVC sheet, PVDC sheet, metal foil, rubber sheet, silicon sheet and other sheet materials.

Extended Applications

Packages
Including plastic bottles, pouches, coated paper cartons, vacuum bags, metal three-piece cans, plastic packages for cosmetics, soft tubes for tooth paste, jelly and yogurt cups.

Technical Specifications

Items Specifications
Test Range Film test: 0.01 ~ 50 g/m2·24h (Standard)
Container test: 0.00005 ~ 0.25 g/(pkg·24h) (Optional)
Resolution 0.0001 g/m2·24h
Number of Specimen 1
Temperature Range 10°C ~ 60°C (Standard)
Temperature Accuracy ±0.1°C
Humidity Range 0%RH, 35%RH ~ 90%RH, 100%RH
Humidity Accuracy ±1%RH
Test Area 50 cm2
Sample Thickness ≤ 3 mm (Customization is available)
Carrier Gas 99.999% High-purity Nitrogen (outside of supply scope)
Carrier Gas Pressure ≥0.20 MPa
Port Size 1/8-inch Metal Tubing
Instrument Dimension 400 mm (L) × 600 mm (W) × 350 mm (H)
Power Supply 120VAC 60Hz / 220VAC 50Hz
(can be changed to local requirement)
Net Weight 30 kg

Configurations

Standard Configurations: Instrument, Professional Software, Communication Cable, Sample Cutter, Gloves, Gas Inlet Pipe, Connector

Optional Parts: Reference Film, Humidity Control Device, Computer

Note: 1. The gas supply port of the instrument is 1/8-inch metal tubing;
2. Customers will need to prepare for gas supply and distilled water.

Please Note: Jinan Saicheng is always dedicated to the innovation and improvement of product performance and function. Therefore, technical specifications are subject to change without further notice. Jinan Saicheng reserves the rights of final interpretation and revision.
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