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Water Vapor Transmission Rate Tester

The W401 2.0 Water Vapor Transmission Rate Tester is designed and manufactured in accordance with ASTM F1249 and ISO standards. Adopting advanced infrared moisture sensor technology, it provides wide-range and high-efficiency testing of water vapor transmission rate (WVTR) for high, medium and low barrier materials.

  • Brand:

    GBPI
  • Item NO.:

    W401 2.0
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Product Detail

Test Principle

W401 2.0 water vapor transmission rate tester adopts the principle of infrared method. Fix the pre-treated sample in the middle of the test chamber, divide the test chamber into a high-humidity side and a low-humidity side, the humidified nitrogen flows on one side of the film, and the dry nitrogen (carrier gas) flows at a fixed flow rate on the other side, in the presence of a humidity gradient, water vapor will permeate from the high-humidity side to the low-humidity side, and the water vapor that passes through the sample is carried to the infrared sensor by the flowing dry nitrogen, and the water vapor transmission rate (and other parameters) of the sample is obtained by the electrical signal output by the sensor.

Working principle diagram

Working principle diagram

Standard

ASTM F1249, BS EN ISO 15106-2, JIS K7129, GB/T 26253, YBB 00092003

Specification

Item Technical Parameters
Testing Range 0.002 - 100 g/(m²·24h)
Repeatability Take the larger value between 0.005 and 2%
Resolution 0.0001 g/(m²·24h)
Temperature Control Range 15 - 45℃
Temperature Control Precision ±0.1℃
Humidity Control Range (5 - 90)%RH, 100%RH
Humidity Control Precision ±1%RH
Permeation Area 50.24 cm²
Specimen Size Φ100 mm
Specimen Thickness ≤3 mm
Number of Specimens 1 piece
Carrier Gas 99.999% Nitrogen (Provided by the User)
Carrier Gas Pressure ≥0.1 MPa
Carrier Gas Flow Rate 5 - 100 mL/min
Pneumatic Pressure ≥0.3 MPa
Overall Dimensions 380*620*385mm
Weight 25 kg
Power 450 W
Power Supply AC 220 V, 50 Hz

Features

Patented core technology

High-precision original imported infrared sensor, high sensitivity, with ultra-high stability and ultra-low failure rate, resolution of 0.0001 g/(m2·24h).

New pneumatic control system, automatic fixture one-button lock sample, convenient and labor-saving, superior sealing performance.

Precise control

Temperature: The semiconductor stabilizer automatically controls the temperature, precision is 0.1℃.

Humidity: Dual airflow (dry and wet) humidity control, high precision to ±1%RH.

Real-time visualization

Embedded 11.6-inch high-res LCD. Real-time display of transmission, temperature, humidity, flow, and voltage curves.

Global certification

Intelligent system designed according to GMP "Computerized System" for full data traceability and audit tracking.

Intelligent IoT platform

Can be connected to the IoT platform for digital network management, remote diagnosis, and troubleshooting.

Application

Film Water vapor transmittance test of various plastic films (PP/PET/PE/PVC/BOPP/CPP, etc.), composite films, paper-plastic, aluminized, and degradable films (PLA/PBAT/PBS, etc.).
Sheet Water vapor transmittance test of solid pharmaceutical hard sheets (PP/PVC/PTP, etc.), metal composite sheets, rubber sheets and other flakes.
Cardboard Water vapor transmittance test of coated paper, silicone paper, cigarette bag aluminized paper, and paper aluminum-plastic composite sheets.
Plasters Water vapor transmission performance test of medical plasters.
Package Customizable fixtures for pharmaceutical bottles, sealed bags, ointment tubes, infusion hoses, plastic trays, etc.
 

Why Choose Us

 

Professional Packaging Testing Solutions You Can Trust

Compliant with Global Standards

Why Choose Us 1

Our permeability testers fully comply with ASTM D3985, ASTM E96, ISO 12572, and other international standards, ensuring accurate, repeatable test results that meet global quality requirements.

Professional R&D & Manufacturing

Why Choose Us 1

Backed by a dedicated R&D team and state-level high-tech enterprise status, we deliver stable, high-precision testing equipment for food, pharmaceutical, and plastic packaging industries.

Global Service & Custom Solution

Why Choose Us 3

We offer 24/7 technical support, on-site installation, and personalized testing solutions tailored to your unique material and industry needs, ensuring seamless operation worldwide

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