Water Vapor Transmission Rate Test System W3/330

Deskripsi

Product Features

Professional

This instrument is designed for the determination of water vapor transmission rate of film and package specimens. It has three test modes and is applicable to various materials with high, medium and low water vapor permeability. It is also embedded with high precision electrochemical sensor, which provides a wide test range of 0.001~1000g/m²·24h and durable service life.

Wide range and high precision of temperature and humidity control to support various combinations of non-standard test conditions
Standard, proportional and continuous testing modes facilitate to minimize errors caused by human factor during testing process
Convenient fast-access calibration port for temperature and humidity
Reference film for accurate calibration

High Efficiency

W3/330 system is based on the electrolytic sensor method and utilizes Labthink’s latest exclusive patent design of three diffusion cells integrated in one instrument for individual or multiple tests, which improves test efficiency by 3 times. It can be easily connected with 9 satellite bases to accomplish up to 30 tests at the same time.

3 diffusion cells integrated in one instrument with lower space occupancy rate and higher test efficiency
3 distinct or equivalent specimens can be tested individually with independent test results at one operation
The system can be easily connected to a maximum of 10 instruments to accomplish up to 30 tests at the same time
Water vapor transmission rate and oxygen transmission rate can be obtained at one operation by working with Labthink’s oxygen transmission rate test system together under the control of one computer

Intelligent

The instrument adopts Labthink’s latest operating software with user-friendly operating interface and intelligent data management. It also supports Lystem^TM Lab Data Sharing System, which ensures uniform data management of test results and test reports.

Based on the user-friendly Windows operating interface for easy operation
Saves test data in different formats for convenient data transfer
Intelligent historical data searching, comparing, analyzing and printing functions
Supports Lystem^TM Lab Data Sharing System for uniform management of test results and test reports

Principle

The test specimen is mounted in the diffusion cell, which is subsequently divided into a dry chamber and a controlled-humidity chamber. The dry side of the specimen is swept by a flow of dry nitrogen, and the water vapor permeating through the specimen from the controlled-humidity chamber is carried by dry nitrogen to the electrolytic sensor where proportion electrical signals will be generated. The water vapor transmission rate is obtained by analyzing and calculating the electrical signals. For package samples, dry nitrogen flows inside the package, and moisturized nitrogen flows outside.

Standards

This test instrument conforms to the following standards:
ISO 15106-3, GB/T 21529, DIN 53122-2, YBB00092003

Applications

This instrument is applicable to the determination of water vapor transmission rate of:

Basic Applications
Films Including plastic films, plastic composite films, paper-plastic composite films, coextruded films, aluminized films, aluminum foils, aluminum foil composite films, glass fiber with aluminum foil composite films and many others
Sheeting Including various sorts of engineering plastics, rubber and building materials, e.g. PP, PVC and PVDC
Paper, Paper Board and Composite Paper Materials Including paper and paper board, e.g. aluminized paper for cigarette packages and paper-aluminum composite materials
Packages Including plastic, rubber, paper, paper-plastic composite, glass and metal packages, e.g. Coke bottles, peanut oil packages, Tetra Pak materials, vacuum bags, metal three-piece cans, soft tube packages for cosmetic and toothpaste, and jelly cups
Extended Applications
Package Caps Test seal performance of different package caps
LCD Monitor Films Including LCD monitor films
Solar Back-Sheets Including solar back-sheets
Plastic Packages for Drugs and Health Care Products Test water vapor transmission rate of plastic bottles for drug and health care products, e.g. eye drop bottles, infusion bags and health care product packages
Plastic Pipes Including various sorts of pipes, e.g. PPR
Blister Packs Test oxygen transmission rate of the whole blister packs
Aseptic Wound Protecting Films and Medical Plaster Patches Test water vapor transmission rate of aseptic wound protecting films, medical plaster patches and other materials
Fuel Tanks of Cars Plastic fuel tanks are widely used in cars for its light weight, buffering vibration and easy molding characters. But its fuel permeability is the most essential factor. This instrument can be used to test permeability of plastic fuel tanks
Battery Plastic Shell Battery electrolyte is protected by the plastic shell from outside environment. Battery service life is directly depended on its water vapor permeability. This instrument can be used to test water vapor transmission rate of battery plastic shell
Paper Cups and Bowls Test water vapor transmission rate of the whole packages for instant noodles and disposable paper cups

Technical Specifications

Specifications	Film Test	Package Test (customization available)
Test Range	0.001~40 g/m²·24h (standard) 0.01~1000 g/m²·24h (optional)	0.0001~0.2 g/pkg·d
Number of Specimens	1~3 with independent test results
Resolution	0.001 g/m²·24h	0.00001 g/pkg·d
Temperature Range	15°C~55°C (standard)
Temperature Accuracy	±0.1°C (standard)
Humidity Range	0%RH, 35%RH~90%RH, 100%RH
Humidity Accuracy	±1%RH
Specimen Thickness	≤3 mm	/
Test Area	50 cm²	/
Specimen Size	108 mm x 108 mm	One package with temperature control device: specimen should be smaller than Ф180 mm and lower than 380 mm
		Three packages with temperature control device: specimens should be smaller than Ф100 mm, and lower than 380 mm
		No size limitation for tests without temperature control device
Carried Gas	99.999% high purity nitrogen(outside of supply scope)
Carrier Gas Flow	100 mL/min
Carrier Gas Pressure	≥ 0.28 MPa
Port Size	1/8 inch copper tubing
Instrument Dimension	690 mm (L) x 350 mm (W) x 360 mm (H)
Power Supply	220VAC 50Hz / 120VAC 60Hz
Net Weight	70 kg

Configurations

Standard Configurations: Instrument, Professional Software, Communication Cable, Vacuum Grease, Diamond Sample Template, Valve Set and Sponge Cushion

Optional Parts: Satellite Base, Accessories for Package Test, Temperature Control Device, Reference Film, Seal Accessories for Package, Sample Cutter and Vacuum Grease

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

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