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Labthink Instruments Co., Ltd.
Solar Backsheet Water vapor transmission rate tester

Solar Backsheet Water vapor transmission rate tester

Product catalog summary

Overview
The document describes the C360 Water Vapor Transmission Rate Test System, a high-precision instrument designed for measuring water vapor transmission rates (WVTR) of various materials such as films, sheets, papers, textiles, and packaging materials. It complies with international standards including ASTM E96, TAPPI T464, ISO 2528, and others.

Main Sections and Summaries

1. Specifications and Features
- The system supports multiple test stations (up to 12) allowing simultaneous testing.
- Test temperature range: 20~55 ± 0.2 °C.
- Relative humidity range: 10%~90% ± 1%.
- High precision balance with sensitivity down to 0.0006 g.
- Test duration varies by model: from ≤8 hours to 10 days depending on sample and method.
- Equipped with patented technologies for uniform temperature and humidity control.
- Embedded automatic humidity and temperature regulation ensures stable and repeatable test conditions.
- Supports automatic data acquisition and management via DataShield™ software with wireless LAN and secure data handling.

2. Test Principles and Methods
- The instrument measures water vapor transmission by placing the specimen between a controlled humidity chamber and a desiccant or water vapor source.
- Carrier and barrier gases are used to maintain test conditions.
- Test area typically 33 cm² with specimen thickness ≤3 mm.
- The system supports multiple standardized test methods including ASTM D1653, DIN 53122, GB/T 1692, and others.
- Automatic control of air velocity and humidity eliminates manual intervention and improves accuracy.

3. Applications
- Suitable for testing water vapor permeability of plastic films, composite films, aluminum foils, paper, textiles, medical plasters, aseptic packaging, and construction materials.
- Applicable in food packaging, pharmaceutical packaging, building materials, and medical product quality control.

4. Operational Advantages
- Automated test modes reduce labor and improve throughput.
- User-friendly 12-inch touchscreen interface with fast automatic testing setup.
- High efficiency and energy-saving design.
- DataShield™ software enables centralized management, remote monitoring, and compliance with GMP and CFR21 Part 11 standards.
- Long service life desiccant and humidity control components reduce maintenance.

5. Technical Parameters Summary (from Tables)
- Max test stations: 12
- Test temperature: 20~55 ± 0.2 °C
- Test humidity: 10%~90% ± 1% RH
- Sensitivity: 0.0006 g
- Test area: 33 cm²
- Specimen thickness: ≤3 mm
- Carrier gas pressure: ≥0.6 MPa
- Test duration: varies by model (≤8 hours to 10 days)

6. Standards Compliance
- ASTM E96, ASTM D1653
- TAPPI T464, TAPPI T460
- ISO 2528-1
- DIN 53122-3
- GB/T 1692-2003
- YBB 0009-2003

7. Additional Functionalities
- Automatic drying and humidifying cycles.
- Real-time monitoring of air velocity and humidity.
- Wireless data transmission and secure storage.
- Flexible test modes to accommodate different specimen types and testing requirements.

Critical Information and Best Practices
- Ensure specimen thickness and size conform to specified limits for accurate results.
- Maintain carrier gas pressure and humidity generator to guarantee stable test environment.
- Use DataShield™ software for data integrity and compliance with regulatory standards.
- Regular calibration and maintenance of desiccant and humidity control systems recommended for long-term accuracy.

Summary
The C360 Water Vapor Transmission Rate Test System is a sophisticated, automated instrument designed for precise and repeatable measurement of water vapor permeability in a wide range of materials. Its compliance with multiple international standards, combined with advanced control and data management features, makes it suitable for professional laboratory and industrial quality control applications. The system’s modular design, high efficiency, and user-friendly interface support high throughput and reliable testing results.

Catalog excerpts

Solar Backsheet Water vapor transmission rate tester-1

PERME® C360 Water Vapor Transmission Rate Test System C360 Water Vapor Transmission Rate Test System, is designed and manufactured based on the gravimetric determination method and conforms to the requirements of ASTM E96. This instrument can be used to measure the water vapor transmission rate of barrier materials with high, medium and lower moisture barrier properties with a wide testing range and high testing efficiency. The instrument features Labthink’s patented test chamber design with multiple test dishes. The instrument is equipped with precision made test dishes and highly accurate balance, embedded professional software which supports automatic controlling of temperature, humidity and flow rate precisely and guarantees the testing sensitivity and repeatability of the test results. C360 is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other relative packaging materials in food, pharmaceutical, medical apparatus, building materials and consumer goods, etc. High Precision • Patented test chamber and test dishes with advanced fluid dynamics and thermodynamic designs. • Labthink’s proprietary thermostat technology ensures that the test chamber is precisely temperature controlled and remains stable throughout the test. • Precise and scientific regulation and calculation of testing conditions. High Efficiency • 12 test stations • Supports test modes of desiccant method and water method Labor Saving • Automatic humidity and flow rate controlling. • Desiccator that needs no replacement of inner core. • High-efficiency water vapor generator. Simplified Operation • 12’’ touch -screen pad powered by Windows™ 10 system. • Fast automatic testing process. • DataShield™ for automatic data management. Product Features Note3 • New Generation Test Chamber and Test Dishes Patented test chamber and test dishes with advanced fluid dynamics and thermodynamic designs ensure the uniform flow rate over the specimen surface, stable temperature and humidity, creating a uniform and stable testing environment. As a result, the test duration is shortened and the test results will be more accurate. LaUthink Instruments Co., Ltd. 144 Wuyingshan Road, Jinan, P.R.China (250031) Phone: +86-531-85068566 FAX: +86-531-85062108 LaUthink International, Inc. 200 River's Edge Drive, Medford, MA, 02155, U.S.A. Phone: +1-617-830-2190 FAX: +1-781-219-3638 wwwJ

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Solar Backsheet Water vapor transmission rate tester-2

• Excellent Testing Abilities of High and Low Barrier Materials The testing conditions will be regulated precisely in real time, which ensures the high testing accuracy and repeatability of high and low barrier materials. • Automatic Controlling of Temperature, Humidity and Air Velocity Labthink’s proprietary thermostat technology ensures that the test chamber is precisely temperature controlled and remains stable throughout the test. Air velocity is monitored and regulated in real time. High-efficiency and mist-free automatic humidity regulator meets the requirements for long-term continuous...

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Solar Backsheet Water vapor transmission rate tester-3

This instrument is applicable to the determination of water vapor transmission rate of: Plastic films, plastic composite films, paper-plastic composite films, coextruded films, aluminum coated films, aluminum foil composite films, glass fiber aluminum foil paper composite films and many other film materials Basic Applications PP, PVC and PVDC sheeting, metal foils, rubber pads and other sheeting materials Paper and Paper Board Aluminum coated paper for cigarette, paper aluminum plastic composite film and other paper and paperboards Textiles and Nonwovens Textiles and nonwoven fabrics Construction...

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Solar Backsheet Water vapor transmission rate tester-4

Labthink DataShield™ Note2 Additional Computer System required by Functions GMP Table 2: Technical Specifications Specimen Size Specimen Thickness Test Method Standard Test Area Carrier Gas Drying of Carrier Gas Humidifying of Carrier Gas Carrier Gas Pressure Port Size Desiccant Method / Water Method Long Service-life Desiccator (unnecessary to replace inner core) High-efficiency mist-free humidity generator The parameters in the table are measured by professional operators in Labthink laboratory under strictly controlled laboratory conditions.. Note 2: DataShield™ provides safe and reliable...

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