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Labthink Instruments Co., Ltd.
Accurate WVTR Measurement with the C330H System

Accurate WVTR Measurement with the C330H System

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Accurate WVTR Measurement with the C330H System

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Overview
The C330H Water Vapor Transmission Rate Test System is designed to measure the water vapor transmission rate of barrier materials using the electrolytic sensor method, conforming to ISO 15106-3 standards. It is suitable for materials with high and medium moisture barrier properties and is applicable across various industries including food, pharmaceuticals, and electronics.

Key Features

High Precision: Utilizes Labthink's electrolytic sensor for high sensitivity and precision. Features a patented integrated test block for accurate temperature, humidity, and flow measurement.
High Efficiency: Capable of testing three specimens simultaneously under the same conditions, increasing throughput and reducing equipment needs.
Labor Saving: Automatic control of temperature, humidity, and flow rate minimizes operator intervention and potential errors.
Simplified Operation: Equipped with a 12” touch-screen and Windows™ 10 OS for easy operation. Optional DataShieldTM software for data management.

Technical Specifications

Test Range: 0.005~50 g/(m2·day) with a resolution of 0.001 g/(m2·day).
Test Temperature: 10 ~ 55°C with ±0.2°C accuracy.
Test Humidity: 5% ~ 90% RH with ±1% accuracy.
Specimen Size: 108mm×108mm, thickness ≤3mm.
Carrier Gas: Requires 99.999% high-purity nitrogen.

Applications

Basic Applications: Suitable for films, sheeting, and various packaging materials.
Extended Applications: Includes closure systems, solar back-sheets, plastic tubes, blister packs, and automotive fuel tanks.

Test Principle
The specimen is placed in a diffusion cell divided into dry and controlled-humidity chambers. Dry nitrogen sweeps the dry side, carrying permeated water vapor to the electrolytic sensor for analysis.

Standards and Compliance
Conforms to ISO 15106-3, ASTM F3299, GB/T 21529, and YBB 00092003-2015 standards.

Additional Information
Labthink offers customization services for non-standard specimens and packages. Technical specifications are subject to change without notice.

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Accurate WVTR Measurement with the C330H System-1

C330H Water Vapor Transmission Rate Test System C330H Water Vapor Transmission Rate Test System, is designed and manufactured based on the electrolytic sensor method and conforms to the requirements of ISO 15106-3. This instrument can be used to measure the water vapor transmission rate of barrier materials with high and medium moisture barrier properties with a wide testing range and high testing efficiency. The instrument is featured with patented design of integrated block consisting of 3 test cells. Equipped with high precision sensors and professional computer-controlled system, the instrument can regulate and control the temperature, humidity and flow rate precisely, guaranteeing the testing sensitivity and repeatability of test results. C330H is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other relative packaging materials in food, pharmaceutical, medical apparatus, consumer goods, photovoltaic and electronic industries, etc. High Precision     Labthink electrolytic sensor for water vapor analysis with higher sensitivity. Patented integrated test block with advanced hydrodynamic and thermodynamic design Temperature and humidity are accurately and automatically controlled throughout the test, eliminating the need for operator intervention or separate data-logging devices. Temperature and humidity sensor for independent monitoring of test cells. Three identical specimens can be tested simultaneously, which meets the requirements for parallel test. Three distinct specimens can be tested under same testing condition, delivering higher throughput while reducing the number of instruments required. Automatic temperature and humidity control eliminate the need for operator monitoring and adjustment. Automatic flow rate control ensures constant flow during the testing process and minimizes any errors caused by an unstable flow rate. No need to verify the system using different reference film for different testing range. 12’’ touch-screen pad powered by Windows™ 10 operating system Fast automatic testing process Optional DataShieldTM software and accessories for automatic data management

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Accurate WVTR Measurement with the C330H System-2

The instrument uses Labthink’s proprietary electrolytic sensor for water vapor analysis, which has excellent precision, repeatability and service life. As a coulometric electrolytic sensor, its signal follows the Faraday principle and has a very high sensitivity.  New Generation Integrated Testing Block The patented three-cell integrated test block structure using advanced thermodynamics and hydrodynamics analysis greatly improves the temperature, humidity and flow measurement accuracy across the three test cells and supports simultaneous testing of three samples. Automatic Control of Temperature...

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Accurate WVTR Measurement with the C330H System-3

Basic Applications Closure Systems Solar Back-sheets Plastic Tubes Extended Applications Blister Packs Plastic films, paper-plastic composite films, coextruded films, aluminum foils, aluminum composite films, glass fiber aluminum foil composite films and many others. PP, PVC and PVDC sheets, metal foils, rubber pads, silicon wafers and other sheeting materials. Plastic, rubber, paper, paper-plastic composite, glass and metal packages, e.g. plastic bottles, pouches, coated paper cartons, vacuum bags, metal three-piece cans, plastic packages for cosmetics, soft tubes for tooth paste, jelly and...

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Accurate WVTR Measurement with the C330H System-4

Table 2: Technical Specifications Test Chamber Specimen Size Specimen Thickness Standard Test Area 99.999% High-purity Nitrogen (outside of supply scope) Port Size 1/8 inch metal tubing Note 1: The parameters in the table are measured by professional operators in Labthink laboratory under strictly controlled laboratory conditions. Note 2: DataShieldTM provides safe and reliable data application support. Multiple Labthink instruments can share one single DataShieldTM system which can be configured as required. Note3: The described product features should be in line with Table 1: Test Parameters....

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